61 31 233 Removing and installing/replacing engine electrical system for lane departure warning (M sports steering wheel)

Necessary preliminary tasks:

Release screws (1) on steering wheel.

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

Remove design cover.

Fig 1: Steering Wheel Screws

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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).

NOTE: The unlocking procedure is simplified by pressing down the retaining clip (2).

Fig 2: Retaining Clip, Latch Mechanisms And Plug Connection

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

Fig 3: Removing Lane Departure Warning Engine Electrical System

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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.

Fig 4: Lane Departure Warning Engine Electrical System, Guides And Retaining Clip

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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.

Fig 5: Lane Departure Warning Engine Electrical System Plug Connection

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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.

The service module "Adjustment actuator Lane Departure Warning" can be found at: