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      03-29-2012, 09:35 PM   #24
shu
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Drives: E92 335i
Join Date: Nov 2011
Location: Melbourne

iTrader: (1)

95 for me..

I've pumped 4-5 consecutive tanks for 98.. didn't feel any power difference or notice any extra mileage. Went back to 95 after that. I don't see how a difference of 3 octane will do anything bad to the engine?