FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Replacing Wiring Harness Section for Engine




12 51 001 - Replacing wiring harness section for engine (N62)





Necessary preliminary tasks:
- Read out DME fault memory
- Disconnect battery negative lead
- Engine bonnet/hood Procedures in assembly position
- Remove fresh air duct Service and Repair on right and if necessary on left
- Remove center of assembly partition wall Removing and Installing/Replacing Left or Right Microfilter Housing Lower Section
- Remove intake air manifold
- Remove underbody protection at front/rear
- Remove reinforcement plate
- Remove electric fan Service and Repair with fan cowl
- Remove right exhaust manifold Removing and Installing / Replacing Right Exhaust Manifold
- Remove starter motor Removing and Installing/Replacing Starter Motor (N62)
- Remove alternator Service and Repair





Release screws (2).
Detach electronics box cover (1) from fixture (3) in direction of arrow towards right.

Installation:
Secure electronics box cover (1) in direction of arrow on left in fixture (3).

Unfasten following plug connections:









Unfasten following plug connections:









Unfasten following plug connections:









Unfasten following plug connections:





Installation:
Fit profile seals correctly.
Check for water leaks.









Assemble engine.

Note:
Check function of DME.
Check electronics box cover and rubber grommets on equipment carrier for watertightness.