I only run Redline 5w50 on S65 and S85. Its brilliant compared to stock and I cannot understand even in high temp climates where you are not tracking it - why anything but maybe 0w50 would be better?
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1988 Alpine White M3 || 1998 AW M3 Sedan (Race)
2000 Alpine White M5 || 2001 Alpine White M3"T"
2008 Alpine White M5 || 2008 Alpine White M3 Cab
2010 Alpine White X5M || All 3 Pedals Sans X5M
alpinewhitem.com //coming soon
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