BMW X3 Service & Repair Manual > Engine wiring loom: Replacing wiring harness section for engine (N55)
IMPORTANT:
Aluminum screws/bolts must be replaced each time they are released .
Aluminum screws/bolts are permitted with and without color coding (blue).
For reliable identification:
Jointing torque and angle of rotation must be observed without fail (risk of damage) .
IMPORTANT:
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