E46Fanatics - View Single Post - check engine light comes on and off as well as radiator light.help!
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Old 11-13-2012, 02:31 PM   #5
OEM ///Member
Join Date: Nov 2009
Location: Fairfax, VA USA
Posts: 23,185
My Ride: 330CiC, M5, X5, E93
O-ring is like $5 @ the dealer as all $1 O-rings from the dealer are $5! About a 10 minute job if that when engine is cold.

Expansion tank is around $75 as I recall OE from a sponsor? It can be a PITA to do. Expansion tank is more serious as the mold joint cracks and can grow.
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, Temp, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose temp switch O-ring - BMW #13621743299
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