Quote:
Originally Posted by CloudVIII
Sold the car over a year ago! This is a very old post. I have an F80 M3 now.
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How much better is the M3 than the the F01 you had?
Quote:
Originally Posted by TXSTYLE
I can't even fathom adding any additional 'stress and or heat' to this engine.... 
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Yeah I was skeptical as the wires are the one to trick the system instead of a direct firmware flash. I had a tune on my 545i and at speeds above 120mph it's faster I think because I was racing a Charger that pulled 0-60 like nothing but when we got to 100mph I was catching up then passed numerous times. I did have lots of CEL codes, probably because of it. The tunes I assume are good but other systems could think wrong and if the wiring starts to degrade years later..........