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Old 02-04-2013, 09:05 AM
wpattison wpattison is offline
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Location: Menlo Park, CA
 
Join Date: Apr 2006
Posts: 46
Mein Auto: 2013 X3 35i
Quote:
Originally Posted by gfeiner View Post
If it has any wear, they will also replace the brake pad wear sensor. That sensor rubs against the rotor when the break pads reach minimum thickness, thereby completing a circuit which alerts u to the fact the pads must be changed asap. Once it wears/rubs like that, it can't be reused

The rear sensor is #12 in this diagram. There is one sensor for the front brakes and one for the rear

http://www.realoem.com/bmw/showparts...29&hg=34&fg=13
Yeah, but that sensor was ~$12 for my 2004 X3. I can't imagine it's gone up much on the newer models.
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