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I've tracked my 2010 X5M twice at Texas World Speedway. It is absolutely a blast to drive around the track and very capable. Amazing how well it handles and how fast it is in the straights! I am all stock. The oil temperature gauge never even hit 210F. The brakes get a little bit glazed over towards the end of the day but never had any serious fade after 3x30 minute sessions. Top speed was about 135 in the main straight and 110 in the back straight!
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