63 12 870 Replacing Ignition Unit For Left Xenon Headlight (With Xenon Bulb) (From 03/2007)

WARNING: This page is about a different car, the 2010 BMW 135i, 2009 BMW 135i, and 2008 BMW 135i. 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, before removing, disconnect all components from the power supply (lighting system and ignition off).

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

Follow instructions for handling light bulbs (exterior lights) . Refer to 63 99... Instructions For Handling Light Bulbs (Exterior Lights) .

IMPORTANT: Ignition unit and xenon bulb are viewed as a single component and must not be separated.

N52K:

Necessary preliminary tasks:

Remove intake filter housing . Refer to 13 71 000 REMOVING AND INSTALLING/REPLACING INTAKE FILTER HOUSING (N52/N52K/N53) .

Unlock spring wire clips (1) in direction of arrow.

Remove cover (2) in upward direction from headlight (3).

Installation:

Make sure cover (2) is correctly seated on headlight (3).

Fig 1: Removing Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (1).

Unlock turning ring (2) in counterclockwise direction.

Detach ignition unit (3) towards rear from headlight (4).

Installation:

Make sure ignition unit (3) is exactly seated in headlight (4).

Fig 2: Identifying Plug Connection, Turning Ring, Ignition Unit & Headlight

Courtesy of BMW OF NORTH AMERICA, INC.