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

WARNING: This page is about a different car, the 2005 BMW 545i and 2004 BMW 545i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary Preliminary Tasks:

Close rear side window completely.
Remove rear door trim panel. Refer to 51 41 000 REMOVING AND INSTALLING LEFT OR RIGHT FRONT DOOR TRIM PANEL .

IMPORTANT: Follow instructions for handling optical fibers. Refer to 61 00 ... NOTES ON HANDLING OPTICAL FIBERS .

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

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Detach soundproofing on rear door in working area. Refer to 51 48 060 REMOVING AND INSTALLING/REPLACING SOUND INSULATION IN LEFT OR RIGHT FRONT DOOR .

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 (2) is correctly laid.

Fig 2: Disconnecting Door Wiring Harness At Retainer

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 rear door (4).

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

Fig 3: Identifying Door Wiring Harness Plug

Courtesy of BMW OF NORTH AMERICA, INC.