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Old 11-12-2012, 08:58 PM
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Needsdecaf Needsdecaf is offline
Everything's Bigger in TX
Location: The Woodlands, TX
 
Join Date: Sep 2006
Posts: 7,106
Mein Auto: 2007 MDX
Quote:
Originally Posted by markl53 View Post
Yes, it's in the list of service items, separate for front and rear brakes. However, I think that is just the recommended interval, I don't think there is any active monitoring of the actual pads, certainly not the rotors. The car (like all others) is equipped with pad "wear indicators" that will emit loud screeching sounds (while NOT braking) when the pads are reaching end of life. Most likely, your dealer will have checked the pad wear long before that occurs during an oil change or other matinenance visit. Oh, I've owned 3 BMW's, and have never changed a brake pad (or tire, for that matter). The "oldest" of my previous BMW's had about 46K miles and the pads still had plenty of wear left.
There's no monitoring, you are correct. It's based on an algorithm. It does change. My car has needed rear brakes in "2,500 miles" for about 15k now. LOL.
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