That's an interesting question, I also run the Sunoco 94 all the time.... Would be interesting to find out if the Shell V Power is better.
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08 E92 M3 - AA ECU, AA Pulleys, AA Air Filter, AA Short Shifter - CURRENT
E92 335i - Vishnu V3, Exhaust, Intake, BOV, CDV Delete - SOLD
1991 850i Dinan Twin Turbo - SOLD
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