I have 20's on the X5 but only 300 miles on the car. I have had OEM 20's on my Rover since new and drive right into snow all winter with no problems.
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2008 BMW X5 4.8i Sport 20" Space Gray
2006 Bentley Continental GT Mulliner Edition
2006 Lamborghini Gallardo 6spd
2006 BMW 750i Triple Black
2006 Range Rover Sport Supercharged
2005 Lotus Elise Touring-Sold
2001 Lexus RX300 AWD
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