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63 12 860 Replacing control unit for left xenon headlight (saloon/sedan, touring)

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2005 BMW 325xi, 2005 BMW 325i, 2005 BMW 325Ci, 2004 BMW 325xi, and 2004 BMW 325i. 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.

Remove left headlight (xenon headlight). See 63 12 005 Removing and installing/replacing left headlight (xenon headlight) 

Up to 09/2001: 

Loosen screws (1).

Pull xenon headlight control unit holder with control unit for xenon headlight (2) in direction of arrow out of guides and place to one side.

Fig 1: Pulling Xenon Headlight Control Unit Holder
G03165971Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Ensure correct cable routing.

Loosen screws (1).

Detach control unit for xenon headlight (3) from holder of control unit for xenon headlight (2) and remove.

Fig 2: Detaching Control Unit For Xenon Headlight
G03165972Courtesy of BMW OF NORTH AMERICA, INC.

From 09/2001: 

Loosen screws (1).

Remove control unit for xenon headlight (2).

Fig 3: Removing Control Unit For Xenon Headlight
G03165973Courtesy of BMW OF NORTH AMERICA, INC.