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      07-31-2017, 01:45 AM   #7
DuSh
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Drives: F15 X5 50i
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Quote:
Originally Posted by crackerjack15 View Post
Thanks for the info, I will give them a call. If your on lower octane fuel, the knock sensors should detect knock as the computer tries to advance timing. From what I know about the mustang, its knock sensors not only detect knock, but they also detect the amplitude or loudness of the knock. I would assume the bmw does too. So, if it "sees" knock the computer will retard timing so that the peak of the explosion is happening when the piston is just starting it's downstroke. The computer is constantly trying to add in as much timing as it's set for.

Don't waste your time with those under $10 dollar octane boosters. They only add a few points of octane which is nothing. You want octanium or torco. $20 treats 10 gallons, but I usually add it to entire tank, because it will raise 10 gallons of fuel 8 octane numbers! So 91 becomes 99. Stuff works too!

https://vpracingfuels.com/product/octanium/
Thanks for letting me know about octanium and torco - I'll have to try it
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