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      05-22-2012, 11:02 AM   #42
GaryS
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Drives: 2009 135i 6MT
Join Date: Feb 2010
Location: Maryland

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2009 135i  [6.50]
Quote:
Originally Posted by davemohan View Post
Second thing is that there is no reason to remove ANY of the retaining pins....

If you look at the backing plate on the front pad, you will see a small (maybe 2cm) tab with a wedge shaped profile. This tab catches on the retaining spring....

To install the new pads, start with the inside pad. Angle it toward the "corner" of the inside piston face and the back of the caliper and hook it, just barely, over one of the retaining pins. Now press and wiggle it inward until the tab clicks over the retaining spring. Now you can press the pad slightly down to engage the second retaining pin. At this point, it can very easily be pressed into place over the pins and flat against the pistons.
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