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Thread: Parking Brake Light stays on?

  1. #1
    Join Date
    Apr 2017
    Location
    West, USA
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    48
    My Cars
    1997 E36 M3

    Parking Brake Light stays on?

    Hey everyone,

    Encountered a weird issue earlier. I hit a really big pothole on the road, and the parking brake light came on and stayed on. Nothing wrong with the car prior. I added fluid to the master cylinder because it was below max, but that did not help. Another weird detail is that the light flickers on bumpier sections of road and if I accelerate really hard, the light will briefly go away during the pull. Any idea what this may be? Loose electrical connection after the bump?

    Thanks

  2. #2
    Join Date
    Aug 2013
    Location
    Seattle, WA
    Posts
    1,433
    My Cars
    1999 BMW M3 Coupe
    Take of the parking brake boot and check your parking brake adjustment and also the switch which is in there someplace. Most likely it's the switch. Probably got jarred out of position slightly.
    1999 M3/2/5 - Titanium Silver - Track/Weekend Toy


  3. #3
    Join Date
    Oct 2018
    Location
    Fishers, Indiana, USA
    Posts
    6
    My Cars
    1999 BMW M3
    Yeah, this would not be fluid related. Parking brake operates mechanically and the light is directly tied to the switch. More than likely just need to adjust the switch.

    I assume the brake itself is not dragging or slightly engaged?

  4. #4
    Join Date
    Apr 2017
    Location
    West, USA
    Posts
    48
    My Cars
    1997 E36 M3
    Quote Originally Posted by TostitoBandito View Post
    Take of the parking brake boot and check your parking brake adjustment and also the switch which is in there someplace. Most likely it's the switch. Probably got jarred out of position slightly.
    Quote Originally Posted by irv0735indy View Post
    Yeah, this would not be fluid related. Parking brake operates mechanically and the light is directly tied to the switch. More than likely just need to adjust the switch.

    I assume the brake itself is not dragging or slightly engaged?
    The PO removed the parking brake switch from the hand brake. So in other words engaging the hand brake never triggered the light on the dashboard. From what I've read, the light is also fluid related if the reservoir is low. I'll try unplugging the cap and see if it is defective.
    Last edited by Mileage; 10-08-2018 at 12:58 PM.

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