Quote:
Originally Posted by 09cbb
I am not sure, but the engine software will have differences, too. I am pretty sure that the modifications will be prohibitively expensive and definitely create uncertainties with your warranties and that for a brand new car. 220hp is probably the max you can reasonably assume to get out of the engine.
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I don't know were you saw that the turbos were diferent....please check realoem.....
The turbos are the same , every single part number of both cars is the same except for the brakes, larger on the 28i.
http://www.realoem.com/bmw/showparts...87&hg=11&fg=50
http://www.realoem.com/bmw/showparts...87&hg=11&fg=50