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  1. E39 M5 and E52 Z8 Discussion
    I know this isn't a good question but I wanted to know anyway since its hot as hell down here in houston. What is the best temperature for a 2000 BMW M5 to perform at its best? When I first got the car back in October of 2007, it seemed like it would pull hard, I could do 140 in 4th gear, and it...