Quote:
Originally Posted by kerm1t
what kind of gas have you guys been using? only 91 right?
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I haven't had a BMW for many years (Euro 1979 635CSi) and have lately been driving Evo IX with E85 tune and bigger injectors (very reliable 425hp and 435 tq from 2.0L). Is this something that works well with the turbo Bimmers or it it recommended to stay with gas?