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

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Necessary preliminary tasks: 

IMPORTANT: Follow instructions for HANDLING OPTICAL FIBRES .

Unfasten plug connection (1) and disconnect.

Release door wiring harness (2) at point (3).

Unclip door wiring harness (2) at points (4).

Fig 1: Removing Door Wiring Harness
G03262099Courtesy of BMW OF NORTH AMERICA, INC.

Detach SOUNDPROOFING on rear door in working area.

Unfasten plug connection (1) and disconnect.

Disconnect door wiring harness (2) at retainer (3).

Unclip door wiring harness (2) at points (4).

Installation: 

Make sure door wiring harness (2) is correctly laid.

Fig 2: Removing Door Wiring Harness
G03262100Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: For clearer illustration, shown with front door removed.

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) in direction of arrow out of rear door (4).

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

Fig 3: Feeding Out Door Wiring Harness Toward Front
G03262101Courtesy of BMW OF NORTH AMERICA, INC.