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Old 01-03-2013, 06:37 PM   #9
OEM ///Member
Join Date: Nov 2009
Location: Fairfax, VA USA
Posts: 22,857
My Ride: 330CiC, M5, X5, E93
Could be a battery running low, could be a bad battery, could be a bad FSU (search and you will find PLENTY on the FSU).

See 3rd link below in signature to display battery/charging Voltage on the OBC display.
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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