Engine Control Module: Service and Repair

12 14 550 - Replacing control unit (DME) (S85)





Necessary preliminary tasks:
- Switch off ignition
- Disconnect battery negative lead Disconnecting and Connecting Battery Negative Lead

Important!
Follow instructions for removing and installing electronic control units Service and Repair.





Important!
Read and comply with notes on protection against electrostatic damage (ESD protection) 61 35 ... Notes on ESD Protection (Electro Static Discharge).





Replacement:
- Carry out programming/coding Programming and Relearning.





Unlock stopper (1) in direction of arrow.
Unfasten screws.
Lift out cover (2).





Unlock and detach plug connections on DME control unit (1).
Unlock DME control unit (2) and remove towards top.