Necessary preliminary tasks

2009 BMW 335dSECTION Necessary preliminary tasks

Unfasten plug connection (1) and disconnect.

Pull brake light switch (2) in direction of arrow out of brake light switch holder (3).

Installation:Β 

  • Press brake pedal (4) to floor.
  • Slide brake light switch (2) as far as it will go into brake light switch holder (3).
  • Grip brake light switch holder (3), slowly return brake pedal (4) to starting position and pull back to stop.Β 
    Fig 1: Pulling Brake Light Switch In Direction Of Arrow Out Of Brake Light Switch Holder
    G04727617Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Removing brake light switch holder (2):

Press brake pedal.

Press catches (1) together and unclip brake light switch holder (2) from bearing block (3).

Fig 2: Uncoupling Brake Light Switch Holder From Bearing Block
G04727618Courtesy of BMW OF NORTH AMERICA, INC.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.