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Home >> BMW >> 2015 >> Z4 sDrive35is >> Repair and Diagnosis >> External Pages >> Different car >> Section 393 (Lights - Repair) >> 6312 Headlights >> 63 12 870 Replacing ignition unit for left xenon headlight (with xenon bulb)

63 12 870 Replacing ignition unit for left xenon headlight (with xenon bulb)

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WARNING: Version with xenon headlights: Danger to life due to high voltage! Therefore, before removing, disconnect all components from the voltage supply (lighting system and ignition off).
Work on the entire xenon lighting system (ignition device, control unit and bulb) may only be carried out by qualified personnel.
NOTE: Front wheel removed for purposes of clarity.

Unlock fasteners (1) by turning counterclockwise through 180° and remove cover (2).

Fig 1: Identifying Xenon Headlight Ignition Unit Cover With Fasteners
G06910726Courtesy of BMW OF NORTH AMERICA, INC.

Turn protective cap (1) in the direction of the arrow and remove.

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: Removing Protective Cap
G06910727Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (1).

Turn ignition unit for xenon headlight (2) approx. 30° counterclockwise and detach from headlight (3).

Installation note: 

Make sure inner ring is correctly positioned in ignition unit for xenon headlight (2).

Fig 3: Identifying Xenon Headlight Ignition Unit With Plug Connection
G06910728Courtesy of BMW OF NORTH AMERICA, INC.