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Home >> BMW >> 2009 >> M3 2D Convertible, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 65 (General Electrical System - Repair - E90) >> Auxiliary Cable >> 61 12 210 Replacing wiring harness in left or right rear door

61 12 210 Replacing wiring harness in left or right rear door

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Necessary preliminary tasks 

Unlock plug connection (1) on door lock and disconnect.

Unlock plug connection (2) on power window and disconnect.

Disconnect plug connection (3) on outside door handle light.

Unclip door wiring harness at points (4).

Installation: 

Make sure door wiring harness is correctly laid.

Fig 1: Identifying Door Wiring Harness Points
G04727447Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1), fold door wiring harness plug on B-pillar (2) downwards slightly and remove.

Unlock plug connection behind and disconnect.

Pull rubber grommet (3) out of rear door.

Feed out door wiring harness towards front to B-pillar and remove.

Fig 2: Pulling Rubber Grommet Out Of Front Door
G04727446Courtesy of BMW OF NORTH AMERICA, INC.