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Old 11-15-2012, 12:56 PM   #11
OEM ///Member
Join Date: Nov 2009
Location: Fairfax, VA USA
Posts: 21,965
My Ride: 330CiC, M5, X5, E93

Once car is cold overnight, pull sensor with cap still on expansion tank, vacuum in system will only allow about 1/2 cup of coolant to leak out.

Install replacement O ring you are golden.
Solve your misfires, lean codes, rough idle -

Fuel pump failures -

Temp Info -

Hidden OBC Menu - Check Voltage, Temp, Fuel Level -

E46/E39 GM5 Door Lock Info -

Lower hose temp switch O-ring - BMW #13621743299
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