BMW 650i models are powered a 360-hp, 4.8-liter V8. Three transmissions are offered: a six-speed manual, a six-speed sequential manual gearbox with electronically operated clutch and shifting, and a six-speed automatic with Steptronic semi-manual shifting.

M6 models feature a 500-hp, 5.0-liter V10 with a seven-speed sequential manual gearbox. A six-speed manual is in the middle of the model year.

All 6 Series models come loaded with leather upholstery; a choice of interior trim; dual-zone automatic climate control with air cleaner; a high-power, eight-speaker stereo; xenon adaptive headlamps; moonroof; auto-dim mirrors inside and out; and BMW's Park Distance Control for front and rear. The 650i Convertible offers a choice of black or gray tops. New for 2007 is an auxiliary input for iPods and MP3 players; and a dealer-installed iPod interface is available. A four-year subscription to Real Time Traffic information is standard.

Options for 650i models include the Cold Weather Package ($750) with heated front seats, a heated steering wheel, and a ski bag pass-through from the trunk. The Sport Package ($1,800) adds sport seats and 19-inch wheels with high performance run-flat tires. Also available: Active Steering ($1,250), radar-managed Active Cruise Control ($2,200), head-up display ($1000), night vision ($2200), Logic7 sound system with DSP and simulated surround sound ($1200), HD radio ($500), satellite radio with one-year trial subscription ($595), Comfort Access keyless unlock and engine start and stop ($1000), heated front seats ($500), and pearl leather upholstery ($1350).

Options on the M6 models are limited to the head-up display, Comfort Access, HD radio, satellite radio, black carbon fiber interior trim ($300) and Merino full leather upholstery with suede-like, Alcantara roofliner ($3500).

Safety features start with multi-stage front airbags and front seat-mounted side-impact airbags. Coupes are equipped with curtain-style head protection airbags, while Convertibles have automatic rollover protection that deploys high strength roll hoops behind the rear seats. Rear seats have LATCH child safety seat hooks and anchors. Accident avoidance features that come standard include electronic stability control; ABS with brake assist and electronic brake-force distribution. BMW Assist telematics, with automatic collision notification, an SOS button and roadside assistance comes standard, including a four-year subscription. Tire pressure monitors come standard along with a really cool first-aid kit.