Maybe remove the rear seat and pop off the fuel pump cover and take a peek inside of the fuel tank. Also, when you remove the gas cap do you hear a loud woosh sound?
BMW '00 740il w/212,xxx miles, DIY timing chain guides complete! M60 Manifold, BDC Throttle Body, Performance gearing 3.46 LSD, Magnaflow Mufflers
BMW '97 ///M3/2/5 w/96,xxx miles
BMW '91 ///M5 w/156,XXX Smiles
Last edited by kimokk; 07-03-2012 at 12:05 PM.