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63 12 860 Replacing Control Unit For Left Xenon Headlight (M3)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2006 BMW M3, 2005 BMW M3, 2004 BMW M3, 2003 BMW M3, and 2002 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: Version with xenon headlights: Danger to life due to high voltage! Therefore disconnect all components from voltage supply before removal.

Work on the entire xenon lighting system (ignition unit, control unit and lamp) may only be carried out by specialist personnel.

Disconnect plug connection (1).

Fig 1: Removing Control Unit Cover
G03119639Courtesy of BMW OF NORTH AMERICA, INC.

Unclip control unit cover (3) and remove.

Installation: 

Make sure catches (2) are correctly seated.

Release screws (1) and (3) and nut (2).

Fig 2: Removing Holder Of Control Unit
G03119640Courtesy of BMW OF NORTH AMERICA, INC.

Remove holder of control unit for xenon headlight (4) and place to one side.

Release screws (1) and remove retaining plate (2).

Fig 3: Removing Control Unit For Xenon Headlight
G03119641Courtesy of BMW OF NORTH AMERICA, INC.

Detach control unit for xenon headlight (3) from holder of control unit for xenon headlight (4) and remove.