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F12 / F13 (2012 - Current)
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  #1  
Old 07-28-2013, 05:03 AM
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TopDownInFL TopDownInFL is offline
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Location: Fort Lauderdale, FL
 
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Mein Auto: 2012 650 Coupe
Problem with brake pad sensors

I took my car in yesterday for oil service and have been watching the brake pad mileage estimates under Vehicle Info like a hawk because according to the car my rear pads were going to wear out just before I hit 50K miles (when the maintenance expires).

I'm a huge downshifter so my pads have lasted far longer than normal.

The odd part of this story is when my rear pads got below 4000 miles, they first began decrementing at intervals of 100 but when it got to 3500, it began to *increment* up to 3700 over the course of me driving an add'l 2000 miles!

I asked for the brakes to be checked yesterday, as I am trying to decide whether to purchase the Pre-paid maintenance (of which the brakes are the most costly component).

The brake sensors were recalibrated and it turns out I have about 10mm of pad on each side, plenty to get me through quite a few miles.

So the moral of the story is 1) don't trust the car data on brakes and 2) do a visual check on your brakes instead.


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2012 650 Coupe - Alpine White / Black Interior / M Package / Premium Sound
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  #2  
Old 07-28-2013, 05:09 AM
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southern6er22 southern6er22 is offline
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Mein Auto: BMW 2012 650i xDrive
Problem with brake pad sensors

Good to know. Thanks!
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  #3  
Old 07-28-2013, 07:12 AM
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EmM HoLLa EmM HoLLa is online now
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Location: Northern, VA
 
Join Date: Jun 2010
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Mein Auto: BMW
Problem with brake pad sensors

I had a similar issue. At about 14k miles, according to the car, I had about 2k miles before my rear pads needed to be replaced. I also had a vibration upon braking so I had them take a look. Turned out I had plenty of pad left. Both driver side wheels were bent. They updated my software and replaced both wheels. After the update I has over 20k miles before the rear pads needed to be replaced. Also Predictably the car drove much smoother. I didn't realize how smooth the car was until I got those wheels replaced.


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