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      10-31-2008, 03:45 PM   #97
carno
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Drives: 2008 E90 M3 BMWCCA GP race car
Join Date: Oct 2008
Location: Long Beach, CA


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Quote:
Originally Posted by Evolution Racewerks View Post
Another question for Scott and Way. Which caliper (driver or pass) is shown in the picture and is it the inboard or outboard pistons? Is there damage on both inboard and outboard pistons as we can only see one side?
The photographs are on the driver's side (that's my thumb in there), but the passenger side had similar disintegration. I didn't observe any problems on the rear, but I didn't look closely either. I was able to compress the rear pistons by hand, but the fronts required a spreader and were very difficult even with the tool.

The borrowed calipers weren't nearly as bad, but they were only raced one weekend (3 sessions x 2 days). We didn't have time to photograph them after our last session at Sears Point.