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jfoj · 08-17-2012, 06:16 PM

Doubt it is the MAF. Unplugging the MAF should force fixed fuel map, however, car may not run well at higher RPM's.

Likely fuel pump failure? Try startng fluid, if engine starts then dies, it is likely the pump. Replace fuel filter as well.

08-17-2012, 06:16 PM	#12
jfoj Registered User Join Date: Nov 2009 Location: Fairfax, VA USA Posts: 5,182 My Ride: '06 330CiC, '03 M5 View My Garage	Doubt it is the MAF. Unplugging the MAF should force fixed fuel map, however, car may not run well at higher RPM's. Likely fuel pump failure? Try startng fluid, if engine starts then dies, it is likely the pump. Replace fuel filter as well. __________________ Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616 Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501 Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491 Hidden OBC Menu - Check Voltage, Temps, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619 E46/E39 GM5 Door Lock Info - www.bmwgm5.com Lower hose fan switch O-ring - BMW #13621743299