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Stealth7 · 03-21-2018, 02:12 AM

So if the M5 has to run 91 in CA with degraded performance and the E63s is designed for 91 and has full performance ... . The real question is what octane fuel was in the M5 for the test?

03-21-2018, 02:12 AM	#53
Stealth7 First Lieutenant 147 Rep 389 Posts Drives: No BMWs Right Now! Join Date: Apr 2012 Location: SoCal iTrader: (0)	So if the M5 has to run 91 in CA with degraded performance and the E63s is designed for 91 and has full performance ... . The real question is what octane fuel was in the M5 for the test?
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