If you do all your car maintenance yourself, sooner or later you will have to know how to reset the brake light on a BMW. BMWs are highly specialized machines and some aspects of maintenance will need some professional help but luckily, this is not one of them. The brake light sensor goes off when your rotors wear through the face of the sensor and break the connection. There are two sensors. One is located in the front driver’s side and the other is on the rear passenger side. This is a very easy fix.
To reset brake light on a BMW, you will need:
- To change the break pads, rotors and replace the sensor
- Method One. After you change your break pads and rotors, you will need to also replace the worn sensor. If you forgot to do this, you will need to take the tire off and replace the sensor because the light will never go off unless you do so. Simply reach behind the caliper to remove the old one. Grab the metal clips with needle nose pliers make this job easier. Oh and don’t buy a new sensor at your BMW dealer. Save yourself the insane, dealership markup by scouring eBay. You can find sensors for less than ten bucks. After everything is in replaced, the system needs to reset itself. Most cars will reset by simply turning the ignition to the ‘On’ position (without actually firing up the engine) for 90 seconds.
- Method Two. Another reset technique works the same way with a slight variation. Replace the pads, rotors and sensor. Then, you put the car in the ‘On’ position and hold down the cruise control ‘Resume’ button for ten seconds.
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