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Old 01-18-2013, 01:51 AM   #7
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Join Date: Jan 2008
Location: Northborough, Massachusetts
Posts: 636
My Ride: 03' Imola 330i ZHP
Originally Posted by SUHLeen View Post
It will fit with the unmodified bracket on a non-m, just the brake pad will be a few mm off (I have ran it this way without a problem lol) If you want it to fit perfect, you have to do what ECS did to align the caliper exactly how it should be. And they just use the M rotors because it is the right size. These are basically 6-piston brembo's branded for BMW, not a bad deal for anyone looking to upgrade. I can stop on a dime AND that is with the crappy stock pads!
Glad you're happy with the setup, the alignment isn't off by much- in fact the bracket only needs to be shaved by 6.5mm in one dimension to be perfect. I spent a bit of time measuring and planning this out.
Also, the ECS kit doesn't use m3 rotors, rather they use the performance rotors for the 330 that maintains all the dimensions of a stock rotor, the m3 rotors are also the same dimensions with the exception that the rotor thickness is slightly greater at 28mm vs 25mm.
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