When they made the R63 they were assuming less than 300 units / year, so it's an ultra-specialty car for crazy soccer moms, which in my opinion should just get the e63/m5 wagon

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2006 BMW X5 4.8is Lemans Blue/Beige/Dark Maple
-Nav, Comfort Seats, Heated Steering Wheel,
Rear Airbags, AUX Input
2009 BMW M3 Space Grey/Black/Carbon
-all options