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      01-29-2013, 02:52 PM   #1
radiantm3
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Drives: 2007 Honda S2000
Join Date: Sep 2008
Location: Danville, CA

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2011 E92 M3  [4.66]
2014 BMW i3  [5.00]
Brembo caliper premature wear. Normal?

So while I was swapping my track pads in the other day I noticed the rubber boots on some of the piston rings were really worn. Here's what they look like on the inside of the caliper:



And here's what they look on the outside:



This is happening evenly on both sides of the front calipers. Had these on the car for 1 year now. Normal?
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2011 E92 M3(Sold). 2007 Honda S2000 (Track Car). Cayman GT4 (Daily + Track Car)