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Home >> BMW >> 2009 >> 650i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1677 (Lights - Repair) >> Headlights >> 63 12 870 Replacing ignition unit for left xenon headlight

63 12 870 Replacing ignition unit for left xenon headlight

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 528xi, 2010 BMW 528i, 2009 BMW 528xi, 2009 BMW 528i, and 2008 BMW 528xi. 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.

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
G05479196Courtesy 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
G05478815Courtesy 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 And Ignition Unit For Xenon Headlight
G05478816Courtesy of BMW OF NORTH AMERICA, INC.