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      04-08-2013, 01:16 AM   #11
Capt Slow
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Drives: E39 530i Sport Individual
Join Date: Jun 2011
Location: "The merry old land of Aus"

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Quote:
Originally Posted by Inge_F View Post
On a M5 it saves 42,8lb, probably a little less on a M3, since the rotors and calipers will be smaller in the first place, (6 piston front cal. on M5, probably 4piston on m3)
...Don't be so sure of that, check these out:

http://www.f30post.com/goodiesforyou...3/BMW-M4-j.jpg

http://www.f30post.com/goodiesforyou...3/BMW-M4-g.jpg

They are definitely 6 piston front calipers on the front and the rears look to be 4 piston, not those single piston sliders like on the M5/M6 CCB option...
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