Even though the 2008 BMW 6-Series has not been tested by the NHTSA or the IIHS, it ranks high for safety systems.
MyRide.com touts them as including "active knee protection airbags."
Convertibles come with "rollover protection," Edmunds says. Options, they add, include "night vision" and a "lane departure warning system."
ConsumerGuide says even with these features, "Aft visibility is tricky."