Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
61 31 310 Replacing brake light switch
Necessary Preliminary Tasks:
- Remove trim panel for pedal assembly.
E38 from 09/98, E39, E52 and E53:
Installation:
On E38 Series RHD cars with ACC from 04/2000 and on all cars with DSC:
A gap of 0.7 mm must be adjusted between brake pedal and brake light switch.
If this gap fails to guarantee problem-free operation, the gap must be reduced to 0.6 mm.
Unfasten plug connection (1) and disconnect.
Pull brake light switch (2) in direction of arrow out of brake light switch holder (4).
Installation:
- Press brake pedal (3) to floor.
- Slide brake light switch (2) as far as it will go into brake light switch holder (4).
- Grip brake light switch holder (4), slowly return brake pedal (3) to starting position and pull back to stop.
Removing brake light switch holder (4):
Press brake pedal (3).
Press catches together and unclip brake light switch holder (4) from brake pedal (3).
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.