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      01-29-2013, 02:52 PM   #1
Apex Everything!
radiantm3's Avatar

Drives: >1000 HP in my garage
Join Date: Sep 2008
Location: Danville, CA

iTrader: (6)

Garage List
2013 BMW X5M  [4.33]
2011 E92 M3  [4.80]
2014 BMW i3  [0.00]
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?

OEM M3 GTS Splitter/Wing/Harness Bar/Rear Seat Delete, Ohlin R&T, Brembo BBK, Akrapovic GT4, Alekshop Oil Cooler, ESS Tune/Pulley, Recaro SPG, 18" BBS FI, CAE Shifter, Vorschlag Camber Plates, Bimmerworld Toe-Links/End-Links/Motor Mounts, RD Sport Front Sway, Turner Solid Subframe/Diff Bushings, Awron Gauge.