Removing and installing/replacing engine electrical system for lane departure warning (M sports steering wheel) (330i xDrive Wagon, 328d xDrive Wagon, 330i GT xDrive, 340i GT xDrive)

Necessary preliminary tasks: 

• Remove AIRBAG UNIT .

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Release screws (1) on steering wheel.

Release screw (2) on rear side of steering wheel.

Remove design cover.

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Disconnect plug connection (1).

Carefully unlock retaining clip (2) on latch mechanisms (3) with suitable tool (e.g. screwdriver with 3-mm blade).

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Remove engine electrical system of Lane Departure Warning (1) from steering wheel (2) in direction of arrow.

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Installation note: 

Retaining clip (2) and guides (1) on engine electrical system of Lane Departure Warning (3) must not be damaged or missing.

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Installation note: 

First press down retaining clip (1) in area (A) until it engages. Then press down in area (B) until it engages.

Make sure engine electrical system of Lane Departure Warning is correctly seated.

Make sure plug connection (2) is correctly locked.

Replacement: 

From version 03/2009 onwards, the engine electrical system must be adjusted.

For the adjustment, the resonance frequency stamped on the actuator is required. Note the resonance frequency of the new part.

Carry out service function under following path:

• Driver assistance
• Camera-based driver assistance systems
• Actuator comparison