My warranty paid for itself in the first repair when the pano roof broke. Then it covered the coolant tank cracking, most of it anyway. And the steering angle sensor. I have bumper to bumper coverage. Just read the fine print and you may have to go back and forth with them but I've had a positive experience with warranties on my touareg and now on my E70. BMW repairs are astronomical. if you aren't a hobbyist repair guy get the warranty and sell the thing before the warranty is up.

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2008 E70 4.8i sport
space gray 20" staggered 214 wheels
Tech package
Cold Weather
Comfort Access
HUD