Quote:
Originally Posted by Brian Senaratne
Hi, I have found that in my E93 M3 2012 that my rear break caliper is missing one part. shown in the picture are the front and rear calipers. could someone share their standard caliper so i can see if one part is missing.
cheers
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What you are looking at is the "spring" that keeps the outer brake pad from moving around inside the caliper. There's no risk of it falling out, it just moves around very slightly and can produce some noise. Anyway, the front and rear caliper use a different spring design. In the picture on the left, look at the bottom of the circle you drew. There is a "plate" that has arms extending outward towards the top left of your circle. That serves the same purpose at the one in the other picture. If you work on other cars you will see an endless variation of the same concept.