Mobile Auto Electrician | BMW & Mercedes Electronics Diagnostic Specialist – Expert ECU, FRM, BDC, EGS, BCM, Immobiliser, Odometer, EIS, EZS, ISM, and SAM Repairs in Greater London

BMW Master Electronic Module Bench Repair, Microchip Soldering & MCU Flashing
Where Main Dealers Say "Replace the Entire System," We Benchmark, Repair, Clone & Program at Board Level.
Specialist mobile and mail-in postal bench repairs for BMW 1, 3, 4, 5, 6, 7 Series, X1, X3, X5, X6, Z4 & M Models across West London, the UK, and Worldwide.
There are some pages about BMW's other controllers, for example, BMW Diagnostic Testing & Mobile ECU Module Repair (DDE, DME, BDC, CAS, KOMBI), BMW BDC, BMW Footwell Repair, and BMW ECU Repair
Complete BMW Module Bench Services & Board-Level Diagnostics
DKG / DKG-Module Dual Clutch Transmission Computer

What This Module Does
The DKG Transmission Controller (found in M3, 135i, 335i, Z4 M-Sport) regulates high-speed dual-clutch gear shifts, hydraulic actuator pressure, and clutch engagement parameters.
How Main Dealers Fail You
Thermal stress or voltage spikes cause shift lag, gear disengagement, or total communication failure. Main dealers insist on replacing the entire transmission mechatronics assembly at astronomical costs.
Our Advanced Bench Solution
We perform trace-level circuit board diagnostics and flash programming on BMW 2008+ DKG Modules. We extract existing adaptation data, repair power driver circuits, and perform 1:1 bench cloning to replacement units.
EPB (Electronic Parking Brake) & Fuel Pump Modules (EKPM)

What This Module Does
The EPB Module manages motorised electronic parking brake callipers (5 Series 525/528/F10), while the EKPM Fuel Pump Module electronically dictates fuel delivery pressure from the tank.
How Main Dealers Fail You
EPB actuator current spikes or EKPM overheating (causing engine cut-outs under load) lead main dealers to push complete wiring harness and expensive control unit replacements.
Our Advanced Bench Solution
We repair thermal MOSFET drivers on BMW 525 (2015) EPB Units and EKPM Fuel Pump Modules, re-flashing software dumps and cloning donor boards directly on our bench setup
Electric Tailgate, Sunroof & PLG Trunk Controllers

What This Module Does
These dedicated microprocessors control motorised panoramic sunroof assemblies (F18 5-Series), automated electric boot lids (730 2007+), and PLG Tailgate Power Liftgate modules (740)。
How Main Dealers Fail You
Loss of limit-switch calibration or water ingress causes the tailgate or sunroof to stop halfway. Dealers demand complete replacement of hydraulic actuators, glass tracks, and computers.
Our Advanced Bench Solution
We rebuild corrupted calibration tables, replace switching relays, and flash firmware on F18 Sunroof Computers, 730 Electric Tailgate Controllers, and 740 PLG Computers on the bench.
Vehicle Height & Air Suspension Controllers (EHC

What This Module Does
The Vehicle Height Controller (EHC) processes ride height sensor data, regulating air suspension solenoids and compressor pumps for 7-Series (730/740/750) and X5 models.
How Main Dealers Fail You
Air compressor overload or height sensor circuit shorts cause suspension warning lights and uneven ride height. Dealers push complete air strut and computer overhauls.
Our Advanced Bench Solution
We re-align height sensor processing circuitry, restore corrupted EEPROM configuration dumps, and repair relay drive lines on BMW 730 (2007+) Vehicle Height Controllers.
Seat Controllers & KBM (Body Base Module)

What This Module Does
Seat Modules (528/F10) manage memory positioning and lumbar support, while the KBM (Body Base Module for E60 5-Series) governs power windows, central locking, and wiper logic.
How Main Dealers Fail You
Communication drops on the K-CAN bus freeze seat adjustments or body functions. Dealers recommend replacing the entire door module or the under-seat wire harness.
Our Advanced Bench Solution
We repair transceiver ICs, re-solder board interconnects, and clone data for BMW 528 Seat Modules and E60 KBM Units directly on our bench.
(Need engine or immobiliser repairs? Check out our dedicated pages for BMW ECU Repair and BMW Keyless & Immobiliser Solutions).
PDC (Park Distance Control) Modules

BMW PDC park distance control module circuit board cloning
What This Module Does
The PDC module processes dynamic ultrasonic sensor signals from front and rear bumpers to generate visual distance grids and acoustic parking tones.
How Main Dealers Fail You
Moisture in trunk side wells corrupts PDC circuit boards. Main dealers charge hundreds for new PDC units plus coding.
Our Advanced Bench Solution
We restore corroded circuit-board traces, reflash MCU dumps, and perform 1:1 bench cloning for BMW PDC Modules, making them instant plug-and-play.
Technical Frequently Asked Questions
How does your mail-in postal module repair service work?
You can safely remove your faulty BMW module (FRM3, DKG, EPB, or PDC unit) and post it to our Hayes workshop. We test, micro-solder, clone, and repair the unit on our specialised bench setups using Autel IM608 Pro, HexProg, and Alientech KESS3, returning it plug-and-play.
Why repair or clone a module instead of buying a new one from BMW?
Main dealer modules require expensive online ISTA/633 SCN coding and often take weeks to arrive. Bench cloning transfers your original vehicle security and coding data onto a replacement module, saving you up to 70% in cost while making the unit immediately operational upon plug-in.
