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Before I was running e85 and ISO update, map 2 with my mods felt fast but not that fast. I went to map 7 with 103 octane race gas 50/50 mix and the car was night and day. After ISO and e85, forget about it, my lowly single turbo screams like a beast. And to the poster above, yes 335is still using n54 engine with twin turbos.
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2011 e90 KW V1, JB4, BMS Dp, BMS Intake, CP, Alpina Flash, ISO, E85
Coming soon to the garage: 2014 M3 Maybe M5  |