Quote:
Originally Posted by oopy
Not entirely true, the fronts will bolt straight on. The rears require you to upgrade to the 135i hub flanges, the alternative to this is to get the specific BMWP rear disc rotors which were also an option in some markets for the e9x series although i've read these are quite rare
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It is entirely true. I have a set installed on my 125i and I know what issues we ran into. The Perf. Calipers and rotors will fit up fine on the smaller 125i hub but the handbrake shoe diameter is only 160mm and cannot open wide enough to grip the larger diamater rotor. The 135i AND 130i both have a larger hub and a 185mm handbrake shoe diameter so have no issue.
http://www.realoem.com/bmw/select.do
Go do some research and get back to us.