61 12 210 Replacing Wiring Harness In Left Or Right Rear Door (Long Version)

WARNING: This page is about a different car, the 2007 BMW 550i and 2006 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Close rear side window completely.
Disconnect battery negative lead
Remove REAR DOOR TRIM PANEL .
Remove SOUND INSULATION IN REAR DOOR

Disconnect plug connection (1).

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

Installation:

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

Fig 1: Identifying Door Wiring Harness, Plug Connection And Retainer

Courtesy 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 2: Removing Front Door

Courtesy of BMW OF NORTH AMERICA, INC.