61 12 200 Replacing wiring harness in left or right front door (long version)

WARNING: This page is about a different car, the 2010 BMW 550i, 2009 BMW 550i, and 2008 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Close front side window completely
Disconnect battery negative lead .
Remove front door trim panel . See 51 41 000 REMOVING AND INSTALLING FRONT LEFT OR RIGHT DOOR TRIM PANEL (LONG VERSION OR FROM 03/2007) .
Remove sound insulation in front door . See 51 48 060 REMOVING AND INSTALLING/REPLACING SOUND INSULATION IN LEFT OR RIGHT FRONT DOOR .

Release cable (1) from door wiring harness (2).

Disconnect plug connection (3).

Release door wiring harness (2) at point (4).

Installation:

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

Fig 1: Identifying Cable, Wiring Harness And Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Front side panel shown removed for purposes of clarity.

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

Unlock plug connection behind and disconnect.

Pull rubber grommet (3) in direction of arrow out of front door (4).

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

Fig 2: Identifying Rubber Grommet, Screw And Front Door

Courtesy of BMW OF NORTH AMERICA, INC.