61 31 233 Removing and installing/renewing Lane Departure Warning engine electrical system (TLC actuator)

Necessary preliminary tasks: 

• Remove airbag unit. See REMOVING AIRBAG UNIT or REMOVING AIRBAG UNIT (SPORT STEERING WHEEL) .

  Remove lower steering wheel trim

Disconnect plug connection (1).

Release screws (2) and remove engine electrics (3).

Tightening torque 32 33 2AZ .

Installation note: 

Replace screws (2).

Ensure correct cable routing.

Fig 1: Identifying Engine Electrics, Plug Connection And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

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:

• Body
• Camera-based driver support systems
• Adjustment of lane departure warning actuator