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      12-29-2011, 01:12 AM   #16
SANguru
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Drives: i8, X5 50,M550i,Tesla, MP4-12c
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do you have a JB4 or are you just making assumptions??? Boost is NOT the same..

Quote:
Originally Posted by z435is View Post
it shouldn't cause a night and day difference at all since boost is pretty much the same. however the IS models have the sport + feature (I'm not sure if normal z4 35i's have it to) but that is a night and day difference between normal mode and sport + mode, it is a huge difference. I think the jb4 automatically makes it as if it is running on sport + mode, and thats why people feel like its a night and day difference but its really the same as stock but jacked up to sport +... IMHO
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