I haven't had the X5 near tripple digits yet, but I've had my M30-powered e32 735i in the neighborhood of 125-130 a number of times. Solid and stable; dang I love that car.

I wonder what the top speed in the X5 is with a manual box and 4.10 gearing... Anybody know?

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2001 X5 Sport 3.0/5-speed
1998 318ti/5-speed
1988 735i/5-speed
1984 528e/5-speed (soon to be M20B25-powered 525i!)