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Old 12-13-2012, 07:42 PM   #415
jfoj
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Join Date: Nov 2009
Location: Fairfax, VA USA
Posts: 10,363
My Ride: '06 330CiC, '03 M5
2001 330 should have the vacuum controlled SAP diverter valve, so the vacuum hose that runs around the passenger side of the valve cover and behind the engine are often broken.
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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
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