12 14 550 Replacing control unit (DME) (N52T)
IMPORTANT:
Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION)
Necessary preliminary work:
- Switch off ignition.
- Disconnect BATTERY EARTH LEAD .
- Remove ACOUSTIC COVER
Replacement:
IMPORTANT:
It is absolutely essential to read out the fault memory with the BMW diagnosis system and to create a fault memory printout.
Switch off ignition.
Unlock all plugs from control unit (1) and detach.
Unfasten screws (2).
Tightening torque 12 90 1AZ .
Remove control unit.
NOTE:
Check stored fault messages.
Delete fault memory.
Delete fault memory.