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      09-11-2019, 03:28 PM   #29
Michael9218
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Drives: 2007 Z4 M Coupe
Join Date: Oct 2012
Location: Woodstock, GA

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I have found that both Hawk and PFC pads are too tight a fit. When you slip in the pads (with pistons pushed in so plenty of clearance from piston to rotor), have you felt that they were a tight fit? I'm talking about where the caliper has stainless steel inserts at the top and bottom of where the pads slip in. The pad backing plate should be designed to have some play. Maybe yours are binding/sticking. I grind off a about a millimeter at the top and bottom of the pad backing plate with a bench grinder. This allows the pads to slip in without effort.

Initially, I figured it was just an issue with Hawk pads, but now I've verified that PFC and Stoptech pads are also too large/tall to fit properly.
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