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      07-04-2011, 03:35 AM   #1
New Member

Drives: 'o6 z4m | 'o7 335 | '11 z4s35i
Join Date: Apr 2009
Location: nyc

iTrader: (0)

Just got my sdrive35i, need advice on jb4!

It feels good to be back on bimmerpost, just picked up my new sdrive35i with m sport 6spd, and feeling the urge for more power. I was wondering if anyone could point me to the correct direction. Currently I'm considering the jb4, anyone know if the dealership can detect it and void my warranty? also does it have any reliability issues? Any info will be greatly appreciated. Thanks