I have been looking high and low for this part. can't find it anywhere, called local bmw to find the part number and they said its discontinued. part number is 25110394106 looks like this: older m5board post

Hello, Today I noticed that the handbrake light on the dash comes on only when starting the car then goes off even that the handbrake is applied. I also tried moving the car while applied and no warning came on. So the car doesn't recognise if the handbrake is applied or not. Any thoughts on...