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      09-19-2012, 11:46 AM   #2
First Lieutenant

Drives: 2009 E92 335i MSport Coupe 6AT
Join Date: Jun 2011
Location: Trinidad

Posts: 370
iTrader: (1)

just buy one.. anyone of helix, ets, ER, AMS will give you great results on a daily driver. I think ETS you can install without removing the front bumper. I had to remove my front bumper for the ER and i have had no regrets thus far. Car definitely feels better with a tune. You have a tune right?
Procede rev2.5se;Er Fmic; BMW PE