In this guide, you will find instructions on how to change the brake light switch on a BMW. 

If your BMW won't start or get out of Park the culprit could be a bad brake light switch. You may think that because the brake lights work, the brake light is working properly but that's not always true. Checking the brake lights can be misleading.

What you will need

Procedure

  1. Park your BMW on level gorund.
  2. Set the parking brakes and turn off the ignition.getting ready to change the brake light switch
  3. Access the panel under the dashboard on the driver side. This is the black panel right above the brake and gas pedals also known as the kick panel.BMW KICK PANEL REMOVAL ACCESS BRAKE LIGHT SWITCH
  4. Remove the Philips screws. In some BMWs, you may have torx screws. 
  5. Locate the brake light switch above the brake pedal.BMW BRAKE LIGHT SWITCH LOCATION
  6. Press the connector and unplug the wire harness from BMW brake light switch. 
  7. Remove the brake light switch from the bracket. Start by pressing the brake pedal. There will be one or two tabs that you need to press which will release the brake light switch. If your brake light switch has a red or white collar, you will need to slide that out then press the tabs and release the brake light switch.

 

 

Conclusion 

If you are still getting an error message or your brake lights still don't work, you will need to scan your BMW for codes. Most generic OBD2 scanner will not be able to read fault codes from BMW brake system but you can use a multi-system scanner such as Foxwell NT510 for BMW.

If your BMW brake lights don't work, or your get Brake Light Circuit Failure warning, brake lights are always on, the shifter won't move out of park chances are that you have a bad brake light switch. 

Notes

  • It is recommended to disconnect the battery negative terminal as well. Just in case there is short while you work under the dash.

Related Errors

  • Brake light fail error message
  • Brake light circuit error message
  • Brake light on
  • ABS or DSC light on

We hope you found this guide helpful. Please consider showing your support for YOUCANIC by subscribing to our YouTube channel.

Thank you!