12 51 001 Replacing Wiring Harness Section for Engine

12 51 001 - Replacing wiring harness section for engine (M57T2)





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





Necessary preliminary tasks:
- Read out fault memory of DME control unit
- Switch off ignition
- Follow instructions for disconnecting and connecting battery
Disconnect battery negative lead from battery and lay to one side
- Remove intake air manifold Service and Repair
- Remove intake manifold
- Remove underbody protection





E60:
Unlock cover (1) with slide (3).
Unfasten screws (2).
Remove electronics box cover (1).
Unlock and disconnect plug on control unit.
Unlock DDE control unit and remove.
Unlock and disconnect all plug connections of engine wiring harness section in electronics box.





E83:
Unfasten screws.
Remove cover (1).
Unlock and disconnect plug on control unit.
Unlock DDE control unit and remove.
Unlock and disconnect all plug connections of engine wiring harness section in electronics box.





E90:
Unlock fasteners (1) from below and slide upwards approx. 10 mm.
Unlock slide (2) in direction of arrow.
Remove cover (3).
Unlock and disconnect plug on control unit.
Unlock DDE control unit and remove.
Unlock and disconnect all plug connections of engine wiring harness section in electronics box.





Unlock tab (1), pull contact carrier (2) in direction of arrow out of housing.





Release screws on cable duct (1).










Note:
Now clear the fault memory.