61 12 200 Replacing wiring harness in left or right front door

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.
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) .

IMPORTANT: Follow instructions for handling optical fibres.

Unlock plug connections (1) and disconnect.

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

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

Fig 1: Identifying Door Wiring Harness, Point And Plug Connections

Courtesy of BMW OF NORTH AMERICA, INC.

Detach soundproofing on front door in working area.

Unfasten plug connection (1) and disconnect.

Cut through cable ties (2).

Disconnect door wiring harness (3) at retainer (4).

Unclip door wiring harness (3) in area of front window guide.

Installation:

Make sure door wiring harness (3) is correctly laid.

Fig 2: Identifying Cable Ties, 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 3: Identifying Rubber Grommet, Screw And Front Door

Courtesy of BMW OF NORTH AMERICA, INC.