I have a '96 328I that just started having a problem with the brake
lights. The brake lights constantly stay on regardless if any of the
brakes are in use. The computer does not give any messages for errors.
I have had the well known brake light circuit error in the past, but
it was fixed with a new switch. Are the brake lights staying on a
result of a faulty brake light switch or possibly something else?
Good call. If the light is the one on the dash, then the fluid or something
in the system has gone awry. If the brake lights on the back of the car are
on, then the trouble is one of the brake switches.
There are two brake light switches on the brake pedal. It is possible that
the other switch is now defective, or the new switch is broken. Either way,
I think you are right to be looking at those switches.
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