12 14 550 Replacing Control Unit (DME)
Necessary preliminary tasks:
- Read fault memory.
- Switch off ignition.
- Disconnect battery negative lead .
- Remove lower section of microfilter housing on right. See 64 31 061 REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT MICROFILTER HOUSING LOWER SECTION (5-SERIES) or 64 31 061 REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT MICROFILTER HOUSING LOWER SECTION (6-SERIES) .
IMPORTANT:
Follow instructions for removing and installing electronic control units .
IMPORTANT:
Read and comply with notes on protection against electrostatic damage (ESD protection). See 61 35... NOTES ON ESD PROTECTION (ELECTRO STATIC DISCHARGE)
.
Replacement:
- Carry out programming/coding.
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.