63 12 870 Replacing ignition unit for left xenon headlight

WARNING: This page is about a different car, the 2005 BMW 525i and 2004 BMW 525i. 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.

Loosen screws (1).

Release screws (2).

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

Fig 1: Pulling Out Headlight Slightly In Direction Of Arrow

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Installation:

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

Adjust gap dimensions.
Adjust headlights. See 63 10 004 Adjusting Headlights .

NOTE: Headlight shown removed for purposes of clarity.

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

Fig 2: Unlocking Catches And Removing Cap In Direction Of Arrow

Courtesy of BMW OF NORTH AMERICA, INC.

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 Approx. 30° Counterclockwise

Courtesy of BMW OF NORTH AMERICA, INC.