E46Fanatics - View Single Post - Lean codes driving me nuts! Help!

Big SAP will not cause lean codes, but should be replaced. Cracked valve cover is likely your main problem.

__________________

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

11-13-2012, 02:33 PM	#10
jfoj Registered User Join Date: Nov 2009 Location: Fairfax, VA USA Posts: 5,340 My Ride: '06 330CiC, '03 M5 View My Garage	Big SAP will not cause lean codes, but should be replaced. Cracked valve cover is likely your main problem. __________________ 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