12 51 320 Removing holder for engine wiring harnesses (N63 B40/B44 O 1, S63 B44 T 2)

Necessary preliminary tasks:

Release screws (1).

Tightening torque 12 51 3AZ .

Release coolant line and cable from the holder for the wiring harness.

Fig 1: Identifying Screws

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Release screws (1).

Tightening torque 12 51 3AZ .

Release cable from the holder for the wiring harness.

IMPORTANT: Ground cable has to be reconnected!

Fig 2: Identifying Screws

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Release lock (1) and remove all cables from holder.

Feed out holder and remove.

Fig 3: Identifying Lock Of Wiring Harness Holder

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