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      10-21-2012, 10:31 AM   #8
First Lieutenant

Drives: 2009 Crimson Red 135i
Join Date: Mar 2008
Location: Sterling, Va

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2009 BMM 135i  [4.75]
My understanding is that if the sensors have worn to the point where the metal wire is exposed - then you they need to be replace them. If you don't want to replace sensors, just get a new set, plug them in, and zip tie them up. The computer will still show you how many miles are left - the sensors are so that the computer is given a different signal when there is a relatively small amount of pad material left. It will then switch to 200 miles left (or something like that).
Hope that helps.