Help I'm brand new to the forums and having so problems with my car.
Hey guys I'm looking for some help and knowledge. I have a 2011 BMW 335I Convertible N55 single turbo.
I have a afe cold air intake kit, a burgersmotorsports chargepipe, JB4, catless downpipe , Ngk spark plugs at .025 gap, and a intercooler. I had everything on it except new spark plugs and intercooler. the car was running amazing. then FridY put a intercooler and spark plugs and new coils. after this was done the car keeps going to half horse power and sputtering when I get on it. seems like when my boost goes up. not 100 percent shore though. any help would be much appreciated
Jeff
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Jeff Dunemann
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