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      01-29-2013, 07:41 PM   #2
New Member

Drives: 2010 e92 335i M-Sport 6MT
Join Date: Jan 2013
Location: San Diego

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The sensor fits into the caliper and when it starts grinding against the rotor the light goes off meaning the pad's are nearing end of life. Plan on replacing fairly soon and you'll need to buy a new sensor when you do the brakes as well as they are one time use. If you want to be really really cheap you could possibly solder and then epoxy over to complete the circuit again but you are better off just getting a new one. They are cheap.