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      03-29-2009, 11:50 PM   #4
ThorsHammer's Avatar

Drives: '09 BMW 335i Coupe
Join Date: Jan 2009
Location: San Antonio, TX

iTrader: (10)

100% it's the HPFP.

If you have any tunes, you need to remove them. It would also be best to look for any tuner codes with a Bavarian Technic tool, and delete them before taking it in.

But from what you describe, she's on her last leg and it's just a matter a time before you get a complete fail.
"SYONRA" is for sale! BSM '09 e92 335i | Performance: JB3, RR Catted DP's, INJEN DCI, Britalman Exhst, AA FMIC, FORGE DVs | Suspension: ST-V1 Coils, Hotchkis Chassis Brace & F/R Sways | Wheels: Bremmer Kraft BR03s, Brake Performance Rotors, Cool Carbon Pads, ECS Lines | Exterior: OEM Aero Lip/Rear, ****** CF Trunk Lid, BLUX5 Angels, M-Force M3 Sides | Interior: Passport 9500ci, Black Trim, M3 Wheel