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      02-24-2018, 10:42 AM   #6
Eau_Rouge111
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Drives: 2009 128i and 2007 Z4M Coupe
Join Date: Feb 2016
Location: Mississauga, Canada

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Quote:
Originally Posted by GPower View Post
That's good to know.

So what are our budget options?

Porsche 996/Boxter S/ Cayman S front and rear Brembo calipers

BMW 135i front Brembo calipers. Although I've heard brake pads need to be machined down 1mm each side.
That's a good question...The Porsche 996 setup has been done. A company called Rallyroad (https://rallyroad.net/) sells the adaptor brackets to mount the 996 calipers that will then work on with the Z4M disks...

I've never heard of doing the 135i calipers but from what I hear...probably not a good idea as the pistons are prone to cracking if they are pushed say at a track...

It could be possible to try the F80 or the F30 calipers with the stock disks...(I've never tried this)...see if it lines up/if not...what type of bracket would be needed to make it happen...

To be honest...I just bit the bullet and bought a Stoptech front and rear kit...sitting in a box...going on once the car comes out late April after winter hibernation...
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