See also:

Vehicle battery
Maintenance The battery is maintenance-free, i.e., the electrolyte will last for the life of the battery. Your service center will be glad to advise you on questions regarding the battery. Batt ...

VALVETRONIC, Double-Vanos and direct injection
The combination of a high power output and a simultaneous reduction in emissions is achieved by VALVETRONIC variable valve timing and Double-Vanos variable camshaft timing. The latest generation o ...

Performance
The 650i is the only 6 Series trim available for 2012; the convertible is hitting the market ahead of the hardtop coupe. The rear wheels are powered by a 400-horsepower, twin-turbo 4.4-liter V-8 e ...