BMW M3 Forum (E90 E92) - View Single Post

radiantm3 · 01-29-2013, 12:52 PM

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?

01-29-2013, 12:52 PM	#1
radiantm3 Apex Everything! 976 Rep 4,378 Posts Drives: 2007 Honda S2000, 2017 GT350 Join Date: Sep 2008 Location: Cedar Park, TX iTrader: (6) Garage List 2011 E92 M3 [9.35] 2014 BMW i3 [10.00]	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? __________________ 2011 E92 M3(Sold). 2007 Honda S2000 (Track Car). 2016 Cayman GT4 (Sold). 2017 Shelby GT350 (AKA Crowd Killer). My pet project: https://stickershift.com
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