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Old 11-23-2012, 09:56 PM   #24
Registered User
Join Date: Nov 2009
Location: Fairfax, VA USA
Posts: 16,590
My Ride: 330CiC, M5, X5
Do not worry about the ECU for the moment.

You may have some Pending codes???

Have you had the O2 sensors pass Readiness?

What Readiness Codes are still not cleared?

Suggest you read and try to follow the attached document.
Attached Files
File Type: pdf Federal Drive Cycle Test Procedure.pdf (213.1 KB, 144 views)
Solve your misfires, lean codes, rough idle -

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Temp Info -

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

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Lower hose temp switch O-ring - BMW #13621743299
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