DIY frm block repair

Technical centers and the owners themselves often face the failure of FRM units, which are responsible for the lighting of BMW cars, locks, power window control, and a number of other systems. The reasons for the failure are quite different.

The reasons for the failure of BMW FRM units have two options: mechanical and software failure. The first case is when the blocks are exposed to external influences: moisture, shock, temperature rise. A software failure occurs due to unskilled intervention in the BMW software, and the PRM unit also locks up due to frequent short circuits and critical voltage drops. The system goes into emergency mode and turns off part of the equipment.

Common reasons for blocking the FRM / LMA block:
- Brief test and error reset even by original computer (system features *)
- BMW car programming (system features *)
- Low battery charge (Untimely replacement of the battery or a long idle car)
- Short circuit (open circuit, violation of wire insulation, damage to electrical wiring after an accident, washing the engine compartment, breakdown of another electrical unit of the car)
- Failure of lighting lamps (after 50 cycles of attempts to turn on and off a non-working lamp, the unit is blocked)

Features of the system * - I would like to make a small clarification for the owners of centers and car owners, when the unit “lays down” in the service during diagnostics or programming with standard BMW equipment, there is no fault of the performer - this is how the system works. Unfortunately, this problem exists at the development level and no specialist can be insured against it!

Failure of the FRM unit leads to the termination of work: windows, mirrors, turn signals, interior lighting; in this case, the main headlights turn on and work constantly in emergency mode.

Reyssport's specialist will restore 2nd and 3rd generation FRM units
Cost - 9000 rubles.

Mainly found on BMW 1, 3, X1, X5, X6 series

Contact for making an appointment for PRM repair +7 495 741-72-82

IF YOU DO NOT RECEIVE WRITE.
Votsap, vibe. Mitino / Yasenevo / Departure

Recovery of Frm3 fpm fpm3 units after unsuccessful k-dkan diagnostics, voltage drop in the onboard network, battery replacement, etc.
The main symptoms of a malfunction are the light does not work, the front window lifters, the light error is on, the car on the lift is on, the turn signals do not work, the dipped beam is constantly on, the frame unit does not go out for diagnostics, the interior lighting does not turn on, etc.
I also work with car services that have a frm collapse in the process of work
Departure to the location of the car is possible
Restoration occurs of the NATIVE content of your block, that is, with the preservation of all encodings, wine numbers, etc. in the block. It is not necessary to bring a car, only a block is allowed

And it is also possible to diagnose, coding, programming, update blocks, firmware euro2 / 0, software removal of particulate filter, ugr (drf, egr), firmware Alrina automatic transmission for 320d / 335, non-standard programming (chip tuning) bmw
I work iсom A2
Updating СIС NВТ 2018-1 maps
Restoration of blocks Frm3 E90 / E70 / E84 / E87 / E90 / E91 / E92 / E93 / E82 / E83 / E71 /

Huge reputation at bmw clubs Andrey Pifon
Instаgrаm pifоnbmw

IF YOU DO NOT RECEIVE WRITE.
Votsap, vibe. Mitino / Yasenevo / Departure

Recovery of Frm3 fpm fpm3 units after unsuccessful k-dkan diagnostics, voltage drop in the onboard network, battery replacement, etc.
The main symptoms of a malfunction are the light does not work, the front window lifters, the light error is on, the car on the lift is on, the turn signals do not work, the dipped beam is constantly on, the frame unit does not go out for diagnostics, the interior lighting does not turn on, etc.
I also work with car services that have a frm collapse in the process of work
Departure to the location of the car is possible
Restoration occurs of the NATIVE content of your block, that is, with the preservation of all encodings, wine numbers, etc. in the block. It is not necessary to bring a car, only a block is allowed

And it is also possible to diagnose, coding, programming, update blocks, firmware euro2 / 0, software removal of particulate filter, ugr (drf, egr), firmware Alrina automatic transmission for 320d / 335, non-standard programming (chip tuning) bmw
I work iсom A2
Updating СIС NВТ 2018-1 maps
Restoration of blocks Frm3 E90 / E70 / E84 / E87 / E90 / E91 / E92 / E93 / E82 / E83 / E71 /

Huge reputation at bmw clubs Andrey Pifon
Instаgrаm pifоnbmw

Very often, BMW car owners are faced with such a problem: window lifters, central locking, repeaters stopped working, and when the ignition is turned on, the dipped headlights immediately turn on, and at the same time they do not respond to the light switch. it is called FRM3.

We are familiar with this problem and we will be able to fully restore the functioning of this FRM3 unit.

This unit began to be installed on cars of the E and R-series.
E81, E82, E84, E87, E90, E91, E92, E70, E71, E72 R55, R56, R57, R58, R59, R60, R61.

The footwell module detects door signals and controls the lighting system. In addition, the footwell module is the communication interface with the instrument cluster. Depending on the vehicle equipment, the footwell module detects signals from the following components:

• ride height sensor;
• contact switch for reversing lights;
• Brake light switch
• Hazard warning light switch
• Light switch
• switch block in the driver's door;
• Door contacts
• Driver's door lock

The footwell module also controls the following functions:

• data exchange between the LIN bus and the body CAN bus;
• storage of vehicle specifications;
• Exterior mirrors
• external lighting;
• Interior lighting
• Automatic central locking system
• front door windows.

As you can see from the description, the FRM block has a lot of functions, and the car cannot do without it.

How to understand that the FRM block has stopped working.

Since the main functions of the unit include control of the vehicle lighting, then when the PRM unit stops working. In the car, none of the lighting devices turns on, except for the dipped beam headlights:

• turn signals do not work
• no illumination of the combination of partings and buttons
• a lighting error is displayed on the head unit and / or instrument cluster
• windows in the front doors stop working.

Before the block dies, an error "Anzahl toter EEE-Sektoren zu hoch" (German) will appear in the block - the number of dead EEE sectors is too high. After the number of dead sectors becomes critically large, the EEE area will be reset. B FRM3 will fail to boot after power loss. But this does not prevent us from bringing FRM3 back to working condition.
Absolutely all blocks of this series will sooner or later go into a similar hibernation and it can be returned to working condition again.

Many believe that the reason for the unit breakdown is a battery drawdown, lighting, improper connection to the unit by diagnostics, etc. In fact, none of the situations described is guilty.

Let's imagine a computer. A computer needs an operating system that uses certain boot data when it boots. After the computer has booted up and started working, the boot data is not needed, but it is not needed only until the next boot. Those. if we do not plan to ever restart the computer, we can simply delete them. But if there is a loss of power or the computer is restarted, then since there is no boot data, the computer cannot boot and start working. So FRM is the same computer. It booted up and works, but the trouble is, there was a loss of EEE formatting.And until it is rebooted, it works great, controls the lights and power windows. But if you remove the power from it, then it can no longer boot.

So, during diagnostics, the diagnostic program reboots the unit, and the battery drawdown only de-energizes it, as a result we have not a working FRM unit.

- The unit restored in this way, DOESN'T NEED any programming or coding.
- No need to search and select a dump by number and marking. Native dump with native AIF will be restored
- No more action is needed. The unit will be restored to working condition, and
all data will be restored:
- all native unit numbers and programming dates
- VIN number
- Block encodings
- Equipment (FA car)
- window regulator calibration
- all additional settings that were made by the owner of the car
-resetting guard flags,
-shorts
- other debris accumulated before the breakdown
- in fact, a dump of a new block is obtained with the preservation of encodings and other features
car, without unnecessary garbage in the dump and resetting various counters
-Do not waste time connecting to the car and various kinds of coding, initializing power windows and switching off lamp control, etc.

Providing control of headlights, power windows, ignition lock, is needed in some cases. It becomes clear that the problem is in him. Either from wear, or from damage, it failed and this is no good. If the car is out of order, it is impossible to drive.

This is a rare type of breakdown and finding a good specialist is sometimes problematic. Which workshop has the necessary tools and equipment? Only a professional who has all the necessary tools in his arsenal can understand the tightly woven tangle of electronics. Repair BMW FRM block, if executed by an amateur, with the help of low-quality programs, devices, can cause a loss of control over the alarm, in fact, over the car.

In St. Petersburg, this service can be found in the list of services of our workshop. It is beneficial to contact us. A reasonable price is requested for the work itself and the necessary parts.

How can you ignore its malfunction? Judge for yourself errors 00A3B4, 00A3C1, 00CDAB appear. The repairs must be inexpensive, otherwise life will turn into a nightmare. We'll have to not drive. This is dangerous. FRM is responsible for:

• functioning of the headlights for reversing and headlights on the front bumper;
• fog lamps;
• for lighting in the car doors;
• for the work of block headlights;
• for the trunk lighting;
• interior lighting;
• light scheme of the instrument panel.

Even if the windows are constantly jammed, you need to rush to diagnose. Perhaps, again, all that is needed is a refurbishment. block FRM BMW. We will fulfill it. Firmware of BMW FRM unit may solve the problem. The most common cause of a malfunction is:

• factory defects, weak points;
• the battery is dead
• violation of operating rules;
• malfunction of some other parts;
• incorrect connection of additional devices.

Rebuilding BMW and MINI FRMs after damage with the correct original equipment and the correct scheme will give a good result. Many people in the city of St. Petersburg know our workshop. We have a good reputation. Despite the fact that there are not many competitors, there are also regular customers. We look forward to your visit. If you want to renovate FRM The BMW in St. Petersburg was quickly completed and was not needed again for a long time, so you are on the way with us. We take our responsibilities seriously.

Familiar BMW: Series 1 (E81 / E85 / E87), Series 3 (E90 / E91 / E92), X5 E70, X6 E71, as well as MINI models (R55, R56, R57, R58, R59, R60, R61) and other cars. Experience, skill is. The wizard will quickly find out what the problem is. This is important. It so happens that there is a negligent attitude, time is deliberately delayed for unknown reasons. Having come to us, you can expect that this procedure will not take much time, although this element is important, a delicate attitude is required.Repairing the BMW and MINI FRM unit will return the car to working condition. And you can stay without rights if you postpone the installation of headlights, their connection, restoration, analysis of the situation with malfunctioning and errors 00A3B4, 00A3C1, 00CDAB until later. You can provoke an accident. This is taking care of the battery - the timely shutdown or repair of light, power windows.

A thousand reasons make us come to our workshop in St. Petersburg as soon as possible and repair the old srs unit, flash the electric amplifier, and so on. Among them are the quality, and the price, and the importance of the repair.

BMW, MINI Countryman cars are equipped with a computing unit called Footwell module (FRM). The FRM is the electrical component in the driver's side footwell. It registers and sends signals from the driver's door and lighting. In addition, the module is used to communicate with the dashboard. Two 51-pole connectors are used to connect the main wiring harness. Another 26-pin connector is for connection to the dashboard.

The FRM is located on the left A-pillar at the driver's feet.

According to car owners, the following description of the problem often sounds:

- the car stood for a long time, tried to start the engine with a discharged battery. After starting the engine, the dipped headlights are constantly on, turn signals, power windows, mirrors do not work. The block does not go out for diagnostics.

The main causes of malfunctions FRM blocks on BMW:

• unstable voltage in the on-board network;
• malfunction in the wiring;
• low battery level.

On cars BMW series 1, 3, X1, X5, X6, there are frequent cases of failure of the FRM light control unit. Most often this happens when the battery charge is critically low. Rarely, but it also happens with the usual reset of errors or when coding the electronic unit of the PRM.

The main signs of a faulty FRM block:

• the FRM block does not go to diagnostics;
• windows and mirrors do not work;
• turn signals and interior lighting do not work;
• the headlights of the car are on constantly (emergency mode of operation of the unit);
• other defects are possible.

Here you can repair the FRM block, replace it with subsequent coding and binding. The recovery time for an FRM block is 2-4 hours. As a bonus, let's set up the "buns")

• Fig. 1 - Computer diagnostics of BMW at the dealer level
• Fig. 2 - The FRM block of a BMW car is located on the left front pillar of the body at the feet of the driver
• Fig. 3 - Repair of the FRM FRM3 block BMW X6 E71 2010
• Fig. 4 - Electronics board of the FRM3 unit BMW X6 E71 2010

We will repair electronic control units for BMW cars, repair dashboards for BMW cars, restore electronic engine control units, electronic control unit for the EMF handbrake. We also repair and restore other ECUs of most manufacturers.

To contact us with a faulty control unit, you need collect and provide the following information.

or e-mail and receive a consultation regarding the repair of BMW electronic control units.

Repair and restoration of ECU on requests from regions it is possible to decide without the participation of the car. ECUs are sent by regular mail, transport company or courier delivery.

The FRM control unit is the controller responsible for the lights, power windows and central locking in the car. It is installed by the manufacturer on some BMW models: series 1 (E81 / E85 / E87), series 3 (E90 / E91 / E92), X5 E70, X6 E71, as well as MINI models (R55, R56, R57, R58, R59, R60 , R61). Its location in the car is at the driver's feet.

It is on this device that all the light in the car depends - both external and internal. So, in particular, the PRM light controller is responsible for the high-quality operation of power windows, lamps:

• Reversing lights;
• Headlights;
• Fog lights;
• Lighting in the doors;
• Rear headlight units;
• Luggage compartment lighting;
• Interior lighting;
• Instrument panel light circuit;
• Other lighting elements included in the design of the BMW.

It is clear that a car cannot do without FRM: not only the comfort of using the car, but also the safety of the driver, passengers and pedestrians, directly depends on the impeccable actions of the device.

Since the main function of the PRM is to control the light elements in the car, then if several lighting devices fail in the car at once, then most likely the problem is not in some separate bulbs, but in the FRM unit.

For example, in practice, the failure of this device can be expressed in the fact that the dipped beam headlights will work, but will not perform their functions as "turn signals", power windows in the front doors, on the head unit or on other devices, errors will be displayed, there will be no illumination of devices and buttons.

Often there is a situation when the cause of the FRM malfunction is a dead battery, and attempts to reset errors when the battery is not fully charged. As a result, with the help of a car enthusiast friend who nobly lit a battery that has sat down in the car, you can get into serious trouble.

That is, the unit will go into emergency mode. The module will not be diagnosed, the power windows will not move, the lights will stop turning on, the dipped beam will stay on constantly, and the door can only be opened with a key. Such problems clearly indicate that the PRM is in need of repair, and the participation of qualified specialists is required to resolve the issue.

Also, the following main reasons for the failure of the PRM unit are distinguished:

• Electrical short circuit caused by broken wires, damaged wiring, water ingress into the engine compartment;
• Problems in the machine control unit directly related to the FRM;
• Failure of one of the lamps, which then, when making fifty unsuccessful switch-ons, leads to an automatic blocking of the light control;
• Long-term operation in the event of a fault in the light circuit.

Thus, often together with the repair of the discussed device, it is necessary to carry out diagnostics, and then repair, other lighting elements of the machine.

FRM3 programming

The price for a new original BMW light control unit FRM is very high: it can be too expensive for even wealthy car owners. However, do not rush to buy such an expensive part. In most cases, it is possible to quickly and relatively inexpensively restore the functionality of the light control system.

The service center "AUTO-Diagnostics" in Moscow offers high-quality diagnostics and repair of the PRM unit. In 100% of cases, we completely restore the performance of this important part. Our experienced specialists will find and eliminate all malfunctions in the shortest possible time: with the unit removed, repairs are carried out literally within one hour.

Our services also include unlocking the light controllers. Here, special efforts are required to restore the device, but even here our masters quickly cope with the work. It is also important - we work with all BMW models and with different types of FRM.

Our prices are significantly lower than those of similar services:

• The cost of repairing the removed unit is 3000 rubles.
• The cost of repairs with removal of the installation is 4000 rubles.
• On-site repair - from 5000 rubles. depending on the area.

We are rebuilding your NATIVE FRM unit. That is, all codings, wine numbers and the like will be saved in the device, and the element will not need additional coding and programming. Please also note that at your request, our specialist himself will drive up to the specified point in the city immediately with the equipment. Then you do not have to bring a faulty car to us and waste time on it.

Contact us! With our help, an important unit - the PRM light controller in a BMW car - will work as efficiently as possible.

CHECK THE COST OF REPAIR OF THE FRM UNIT BY PHONE.

It is impossible to imagine any vehicle without headlights. This is primarily the road visibility and the safety of the driver, passengers and pedestrians.

In this article, we will consider the FMR / LMA control units - what they are, what they are responsible for, what malfunctions may occur and solutions for their elimination.

What is FRM / LMA Block

FMR / LMA is a control unit that is responsible for light. Installed on some models of the BMW series.

What FMR / LMA is responsible for

The FMR / LMA unit is responsible for the performance and regulation of the load on the light circuit in the vehicle.

Controls all bulbs, from outdoor to indoor lighting.

PRM controls headlight bulbs, fog lights, rear headlights, reversing lamps, door lighting, interior and luggage compartment light bulbs, dashboard light circuitry, and all the additional lights that are present in BMW.

Difference FRM2 from FRM3

The differences between the blocks are in different encodings for different models.

FMR2 lacks some features compared to FRM3. So, for example, in the second, there is no adjustment of adaptive headlights, control of the corrector, and it does not have support for LED headlights.

The difference is that the FMR2 was installed on the earlier E-series models, but then BMW decided to switch to the FRM3 universal blocks, which can mutually replace the following models of the series.

Why FRM / LMA Unit Fails

The main reason for the failure of FRM / LMA units is a short circuit in the system.

This can be due to many reasons. Open circuit of wires or damage to insulation, damage to wiring after an accident, washing the engine compartment, failure of one of the car's electrical appliances.

Another reason is the failure of one of the lamps. After 50 switching on and off of this light, the unit is automatically blocked and the light circuits in the car stop working.

The third reason may be a malfunction in the vehicle control unit, which is directly connected to the FMR.

The last reason is a long drive with an unresolved fault in the light circuit.

FRM / LMA faults

The main faults of the FRM / LMA units:

1. Blocking due to short circuit;
2. Mechanical damage;
3. Code conflict due to the installation of additional options;
4. Incorrect operation of the FRM / LMA unit itself;
5. Incorrect connection of FRM / LMA to the connector or to the wrong cable;
6. The unit firmware is out of order;
7. Closure of one of the FRM / LMA elements.

To troubleshoot FRM / LMA in BMW, you need to connect a PC with special software to the car and find the error codes that it issues.

If the tester is connected and the unit does not show anything, then you should find it in the car in order to see if there is any mechanical damage.

It is usually recommended to replace the FRM / LMA when they fail, but there are some options when you can flash the FRM / LMA again and it will work. The most common error is the Short circuit error, which occurs when there is a short circuit.

Contact the BMW-E technical center - solve the PRM problems!

Mechanical diagnostics

Find the FRM / LMA unit in BMW and, having disconnected all connectors, remove it. Mechanical damage to the body is immediately visible - in the form of cracks or a chipping off of a part of the body. The connector or output pins may also be damaged. The FRM / LMA itself cannot be disassembled, since it is hermetically sealed from the factory. If faults are found, the unit should be replaced with a new one, with the firmware of all software.

Blocking or failure of the firmware often occurs. To do this, you should connect diagnostic equipment, which will show what the reason is. It gives out the error encoding, which still needs to be deciphered.

Deciphering of errors can be done by a BMW-E specialist.

When the required error is found and it is decoded, the defective part should be replaced.

FRM / LMA units are quite difficult to diagnose and troubleshoot. For the correct connection or firmware, you should contact a professional who will help identify and fix the breakdown.

The technological reason for the block breakdown

The cause of internal damage to the unit's parts is the burnout of class G and F controllers. The main fact of burnout is a short circuit or voltage surges in the vehicle's on-board network. Rarely, when combustion occurs due to a malfunction of the on-board computer errors or improper distribution of energy over the network.

In these cases, the failed controllers G10, G12 are responsible for the main light and taillights, G2 and G4 - for the turn signals, G8 and G16 - are responsible for the wipers and mirrors.

The F-series controllers are responsible for the interior lighting in the passenger compartment. H1 and H2 - control the main circuits of the light network. In case of burnout, the car will not turn off the light, and you will have to remove the battery terminal.

Since 2015, the BMW plant has taken a revolutionary approach in restoration, namely soldering the controllers into the damaged block.

The test series of controllers was soldered and then re-flashed.

The price of such a repair is 30% cheaper than the cost of a new unit. This technology has not yet been serially introduced, since it was used on blocks of sports cars of the M3 and M5 series.

The chief engineer of the manufacturer made it clear that it was not profitable for them to repair them, since the process takes too much time and effort, since they are all manually repaired.

The only type of repair that remains affordable and less expensive is resetting errors and flashing the unit, after replacing some of the light parts. In this case, it should be taken into account, according to the plant representatives, that the blocks should only be stitched with special software.

With the wrong software, the block controllers can simply burn out, and then there can be no question of restoring the speech.

Malfunctions of the FRM / LMA unit on BMW cars, in particular, models of the series 1, 3, X1, X3, X5 and X6, occur when the battery is low, short circuit, code errors or when the on-board vehicle control unit is encoded.

The first signs of failure of FRM units:

• lack of outside light;
• windows, mirrors, interior light circuit do not work;
• exterior lighting does not work - turn signals, fog lights, main headlights and rear lights;
• in emergency mode of operation of the unit, the light is constantly on.

We offer you a service for the restoration of FRM blocks from the "BMW-E" company.

For repair of FRM units, call: +7 (495) 162-06-01 from 9-00 to 21-00 seven days a week.

We have reasonable prices and guarantees are given for the work!

Can I just re-upload the dump or do I need to change the radioelements?

rostikz 08 May 2015

OK. Read the percentages, then compare the dumps with the original?

This is an aptitude test.

If you read the percentage, if you have the desire and understanding, you can lift the block. If you do not read it, throw this bad idea out of your head.

I read different processes, I did not do such a block specifically

Post has been edited doctor +: 09 May 2015 - 11:05

Thank you. Tomorrow the client will come - I'll post it.

Thanks again for the wiring diagram. In general, I could not resist, I removed the FRM from my car. I connected according to this scheme - everything is gut.

Just not clear - why is D-Flash empty?

because in this configuration there is no D-flash.

take it as a developer's whim.

I considered EEE - empty, D-Flash - empty, P-Flash - normal.

I marked the EEE at 4 kb - but after writing and reading the same thing that I wrote down, a 1 kb file is obtained.

After I marked it out for all 16, it became the norm. Vin in EEE corrected immediately before recording.

Excuse me, what is “writing emulation”?

Share, pliiz, SP-Daten for E81, even this car is absent in my database (

Post has been edited doctor + on: 10 May 2015 - 18:42

Share, pliiz, SP-Daten for E81, even this car is absent in my database (

11GB. just where to shove. 🙂

Post has been edited synoc: 10 May 2015 - 20:46

I beg your pardon, but for the E81 - do you really need to choose the R60?

11GB. just where to shove. 🙂

Tomorrow morning. ”After I marked it out for all 16 - it became normal.” - You did it NOT NORMAL.
The d-flash area is given for emulation of eeprom (4 kb). Read - erase - mark (eeprom 4 kb) - write pflash.
g / wiki / Emulation

I did everything as you said, but if you mark up in 4 kb, then the firmware in EEE always turns out to be 1 kb.

There was such a story with the 116i. Symptoms are one to one. I could not figure it out, but I realized that the matter is in the FRM block (if I am not mistaken) above the passenger's feet. I took off this block and took the club service to BMW. They explained that there is a kind of "battery" in this unit, which after 5-6 years is discharged and the unit goes into emergency mode. For its replacement they took 10k. Moscow city. It was not possible to find out any more details, dig deeper.

The client arrived already in this state, I can not say whether there was a battery there.

This will not work here, except that the errors are counted - rubbed in the block, then it will be clear, it is possible to reset the event counters, it is possible to pour the dump in the controller.

In any case, the battery must be removed on such machines after the main units have gone into a low power consumption mode.

Better DiaLink

Due to errors, this is unlikely to be observed. In general, removing the battery should not lead to such consequences.

Do not. Better to rock the Reingold, after all, this is the original dealer program, which is guaranteed not to spoil anything

Captain Jack, you need to start with this:

1. We are looking for an adapter (I recommend our DiaLink, especially since many have it).
2. Download BMW Standard Tools, install EDIABAS.
3. Connect DiaLink, find in the dispatcher the COM port number assigned by the system, remember the number.
4. We look for the obd.ini file in the ediabas folder, look for the [OBD] section in it, make sure that it is written there:
[OBD]
Port = Com3 ... your COM port number should be here.
Hardware = USB
RETRY = ON
5. Put Rheingold, launch it, go to the settings, select the Russian language, then the VCI configuration tab, in it the EDIABAS interface type, click Ok.
After that, it's best to restart Rheingold.
6. In Rheingold, select Processes - Read vehicle data, then click the button below Full identification. If everything is done correctly, the program will build you a complete ECU tree, moreover, ECUs with errors will be marked in yellow, ECUs that “did not answer” - in red. Further - by intuition, it is not difficult there.
Don't erase the error stick until you've taken screenshots of what was there. Please note that there can be many errors. Very. Take your time, analyze, think.

the price tag announced is the same.
with a “battery” of something, they darken. very unlikely.

Better DiaLink

Due to errors, this is unlikely to be observed. In general, removing the battery should not lead to such consequences.

Do not. Better to rock the Reingold, after all, this is the original dealer program, which is guaranteed not to spoil anything

Captain Jack, you need to start with this:

1. We are looking for an adapter (I recommend our DiaLink, especially since many have it).
2. Download BMW Standard Tools, install EDIABAS.
3. Connect DiaLink, find in the dispatcher the COM port number assigned by the system, remember the number.
4. We look for the obd.ini file in the ediabas folder, look for the [OBD] section in it, make sure that it is written there:
[OBD]
Port = Com3 ... your COM port number should be here.
Hardware = USB
RETRY = ON
5. Put Rheingold, launch it, go to the settings, select the Russian language, then the VCI configuration tab, in it the EDIABAS interface type, click Ok.
After that, it's best to restart Rheingold.
6. In Rheingold, select Processes - Read vehicle data, then click the button below Full identification. If everything is done correctly, the program will build you a complete ECU tree, moreover, ECUs with errors will be marked in yellow, ECUs that “did not answer” - in red. Further - by intuition, it is not difficult there.
Don't erase the error stick until you've taken screenshots of what was there. Please note that there can be many errors. Very. Take your time, analyze, think.

also thought that it was unlikely. such. due to the disconnection of the battery. I still asked around. it turns out on the car they tried to throw off the reminder in the tidy that it was time for "TO" - they tried to throw it off manually. buttons on the joystick on the steering wheel.
I’m thinking. Could it be that they were pricked up. maybe it's not about the battery at all.

Thank you for the detailed instructions!
However, the acquaintance did not wait for your answer.
-drove yesterday to the repairmen for BMW.
and it turned out - FRM block died
put another one, tied it, it all worked. than tied not seen, the car drove without me.
the old block was “credited” to the cost of the delivered one. (I think they will fix it and then sell it the same way)
very sad of course.but you won't be able to disassemble the block. so of course I would dig out of interest.
even more so it was where to get dialink.
there is really one question left
How and why the block of comfort died.
maybe someone else will unsubscribe. -so at least someone for the future will come in handy. because of what could this happen.

The engine control unit of a car is the brains of the car, on the work of which all systems of the car depend. A malfunction of the control unit is indicated by many factors, however, it is possible to determine exactly what exactly has failed in the control unit with the help of high-quality diagnostics.

In our service, we will be able to carry out a full-fledged diagnosis of this unit using a special module and cable. The control unit is connected to a special computer on which a program is installed that recognizes the error codes that are displayed on the screen when diagnosing the control unit.

Thus, the auto electrician records various indicators in real time. It can detect throttle position, fuel ratios, or temperature, for example. Carrying out diagnostics for a variety of models of modern cars is not difficult, in addition, the computer's firmware is constantly updated, which means that the computer receives new data on new types of control units. If the diagnostic procedure reveals errors, the specialist proceeds to repair the engine control unit, if it is impossible to repair it, replace it, or restore the factory settings, resetting the errors that have appeared.

Repairing an engine ECU is a rather complicated and time-consuming process and is recommended only in cases where replacement of a control unit is impossible for objective reasons or when replacement is economically unreasonable, due to the lack of these units on sale due to discontinuation of production. It is not recommended to repair the ECU with your own hands at all, there is a great risk of damaging the electronic "brains" completely, which will disable all the accompanying systems of the car.

There are many reasons why the electronic control unit fails or any malfunctions in its operation begin. Namely:

send a message

• Unqualified intervention when carrying out car repairs.
• "Lighting" from a car with a running engine or from a charger and starting device.
• Swapped + and - terminals when connecting the battery.
• Removing the battery terminals while the engine is running.
• The consequences of exposure to time and a harmful environment (oxidation of contacts in the block and unsuitability of tracks - in most cases concerns blocks installed in the space of the engine compartment).
• Ingress of water or other liquids into the ECU / PCM case.
• Malfunctions of the output circuits of the ignition system: coils, wires, distributor, candles. As a result - failure of components in the ECU

In addition, the control unit may fail as a result of mechanical damage or moisture ingress on the microcircuit. Thus, in the event of a malfunction in the unit, overvoltage may occur, which sometimes completely disables the system. Overheating, moisture ingress, rust, moisture - all this can cause damage to the electronic unit. Also, experts from numerous car services note a high proportion of calls to them by motorists who tried to repair the control unit with their own hands or entrusted this business to unprepared people.

Unfortunately, not all modern "brains" are suitable for repair. If the control unit from the factory is filled with a sealant compound and there are ceramic components on the board inside that require special soldering, then its repair is at least problematic. Although we use a special innovative repair technology for ceramic hybrid ECUs, which has proven itself very well in the repair of these blocks.

In any case, it is worthwhile to first carry out a high-quality diagnosis, then following the advice of an experienced specialist to decide what exactly to do with the failed control unit.

Technical centers and the owners themselves often face the failure of FRM units, which are responsible for the lighting of BMW cars, locks, power window control, and a number of other systems. The reasons for the failure are quite different.

The main reason for the failure of FRM / LMA units is a short circuit in the system.

This can be due to many reasons. Open circuit of wires or damage to insulation, damage to wiring after an accident, washing the engine compartment, failure of one of the car's electrical appliances.

Another reason is the failure of one of the lamps. After 50 switching on and off of this light, the unit is automatically blocked and the light circuits in the car stop working.

The third reason may be a malfunction in the vehicle control unit, which is directly connected to the FMR.

The last reason is a long drive with an unresolved fault in the light circuit.

• Blocking due to short circuit;
• Mechanical damage;
• Code conflict due to the installation of additional options;
• Incorrect operation of the FRM / LMA unit itself;
• Incorrect connection of FRM / LMA to the connector or to the wrong cable;
• The unit firmware is out of order;
• Closure of one of the FRM / LMA elements.

The first signs of failure of FRM units:

• lack of outside light;
• windows, mirrors, interior light circuit do not work;
• exterior lighting does not work - turn signals, fog lights, main headlights and rear lights;
• in emergency mode of operation of the unit, the light is constantly on.