Quote:
Originally Posted by S4to335
I put 100 octane in my car recently and it didnt run as well as stock...figure that one out. I have used 100 octane on several chipped turbocharged Audis..and it definitely was felt. In the 335i...it was felt..but in the wrong way.
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Damn...I wonder what THAT'S about??? Did you buy the gas from a reputable station? A little while back a local Union76 sold a bunch of us 100 that turned-out NOT to be 100.
What difference did you notice with the 100 on the 335i?