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Old 01-08-2013, 10:34 AM   #14
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Join Date: Nov 2009
Location: Fairfax, VA USA
Posts: 19,475
My Ride: 330CiC, M5, X5
Keep our fingers crossed. I need to use INPA or PA Soft and see what the trans temp runs in my E46 automatic as a baseline.

The real key is not only stable operation temperature, but also how quickly the engine warms up as well. I assume you might be able to also have a stat that does not fully close, but will get the engine to operation temps and hold it there?

Probably less likely, but is a possibility?

Seems that the stats will soft fail cold/open, stick closed, stick open, not fully close or if the wax pellet may not fully open the stat, these would be my guess on the most common failure modes.

But lately I seem to be finding weak springs and early opening most often.
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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