63 12 870 Replacing ignition unit for left xenon headlight

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.

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.

Slacken screws (1)

Release screws (2).

Pull out headlight (3) slightly in direction of arrow.

Installation:

Make sure headlight (3) is correctly seated in lower holder.

Adjust BODY GAP DIMENSIONS .
Adjust HEADLIGHTS

Fig 1: Pulling Out Headlight And Screws
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NOTE:

Headlight shown removed for purposes of clarity.

Unlock catches (1) and remove cap (2) in direction of arrow.

Installation note:

Protective cap (2) must be correctly engaged.

Check seal.

Replace protective cap (2) if necessary.

Comply with INSTRUCTIONS FOR REPLACING THE PROTECTIVE CAP

Fig 2: Unlocking Catches

Courtesy of BMW OF NORTH AMERICA, INC.

Build date up to 02/05:

Turn ignition unit for xenon headlight (1) approx. 30° counterclockwise and detach.

Plug connection (2) is automatically released by turning ignition unit for xenon headlight (2).

Lay plug connection (2) to one side.

Installation:

Make sure ignition unit is correctly engaged.

Fig 3: Turning Ignition Unit For Xenon Headlight

Courtesy of BMW OF NORTH AMERICA, INC.

Build date from 02/05:

Disconnect plug connection (1).

Turn ignition unit for xenon headlight (2) approx. 30° counterclockwise and detach.

Replacement:

Remove xenon headlight bulb holder.

Fig 4: Identifying Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.