67 16 011 Removing and installing/replacing left headlight vertical aim adjuster

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

Necessary preliminary tasks: 

• Remove WHEEL ARCH COVER AT FRONT
• Remove ignition unit for xenon headlight. See REPLACING IGNITION UNIT FOR LEFT/RIGHT XENON HEADLIGHT (WITH XENON BULB)

Specification with adaptive headlights:

Unlock plug connection (1) on sensor system (2) and disconnect.

This produces additional space for removing the headlight vertical aim adjuster.

Fig 1: Identifying Plug Connection On Sensor System

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Carry out following operation carefully.

Turn screws only until an increase in torque is detected.

Move adjusting screw for horizontal adjustment (1) to end position by turning clockwise.

Move adjusting screw for vertical adjustment (2) to end position by turning counterclockwise.

Fig 2: Identifying Adjusting Screw Horizontal And Vertical Adjustments

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Turn headlight vertical aim adjuster (1) by turning counterclockwise (45°) out of carriage bayonet.

Turn adjusting screw for vertical adjustment (2) clockwise until an increase in torque is detected.

Fig 3: Turning Headlight Vertical Aim Adjuster

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Disengage headlight vertical aim adjuster (1) with a swinging movement in direction of arrow from ball socket.

Feed out headlight vertical aim adjuster (1).

Unlock associated plug connection and disconnect.

Fig 4: Removing Headlight Vertical Aim Adjuster From Ball Socket

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Installation: 

Pull adjustment mechanism (1) forwards to enable headlight vertical aim adjuster (2) to be engaged in ball socket.

Make sure ball head on headlight vertical aim adjuster (2) is exactly seated in mounting.

Fig 5: Pulling Adjustment Mechanism Forwards

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After installation:

• Adjust HEADLIGHT