Thanks, guys, good tips. My cooling system is in good shape, but I expect I'll need a front brake job/fresh brake fluid [hi-temp] before taking it to Road Atlanta, and beating up my fairly new [6k miles right now] Conti AWS is a concern, even if I don't flog it. I'll investigate further before the September training event. Barber might be an option.

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2006 X5 3.0 6-spd w/Evo UUC ssk
sport/premium pkgs
born Valentine's Day, 2006.