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Modern BMWs run dozens of control modules over CAN and LIN networks. When one goes quiet, the symptoms rarely point at the cause. We diagnose at the network level — then repair the module, not the guesswork.
Shift-by-wire selector faults: no gear engagement, flashing indicators, selector not recognized.
EGS/Mechatronic communication errors, limp mode, gearbox fault warnings, adaptation issues.
Central body electronics: lighting, locking, terminal control, and CAN/LIN gateway faults — replacement and programming.
FEM replacement and programming for F-series body electronics, access, and lighting faults.
CAS replacement and programming for verified owners — no-start and key-recognition faults.
Access and security-module services (BDC/FEM/CAS, keys) are performed for verified vehicle owners with proof of ownership. See BMW BDC / FEM / CAS services for details.
Shift selector fault, vehicle stuck in Park
GWS Hall-sensor or main-board circuit