Glad I'm not alone in hitting the rear window controls instead of the front.

Biggest complaint for me is "boot up" time. If I want to use the back up camera, I start the car and have to wait up to 20 sec for the BWM logo to go away and for the camer and sonar screen to come up. Sometimes it overlaps the legal warning with the back up camera which looks terrible.

Second would be crappy back up camer resolution. I've seen better cameras on $50 cell phones.

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2008 X5 3.0
2004 Z4 3.0