I think it's worth noting that the octane rating in europe (ROZ) is different than the U.S. (RON+MON/2). 98 octane in europe is 93 in the U.S. (Shell's V-Power 100 octane is about 95 octane in the U.S.)So those of you with tunes, be mindful of this difference.
(I specifically didn't go into RON/MON/ROZ and AKI for simplicity's sake.)
Interesting report none the less!
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2015 435i Gran Coupe - Current
2008 AW 135i - Sold
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