Control with Stop and Go), head-up display, lane departure warning, night vision, keyless entry and starting (Comfort Access), heated steering wheel, universal remote control, and soft-close doors. M6 model The M6 version was initially introduced as a coupé at the 2005 Geneva International Motor Show, and later in convertible form at the British International Motor Show in 2006. The M6 is powered by the 5.0-litre naturally aspirated S85 V10 shared with the E60 M5, generating at 7,750 rpm and at 6,100 rpm. The majority of the cars were produced with a 7-speed automated manual transmission ("SMG III"), however a 6-speed manual transmission was also available in the United States. The M6 coupé has a carbon fibre roof in order to reduce weight and for a lower centre of gravity. Additional features included: sports seats, larger front and rear brakes, an M-performance instrument cluster, a carbon-fibre roof (coupé only), and an optional M head-up Display. The car also has quad exhaust-pipes and larger, more aerodynamic air intakes. A total of 9,087 coupés and 5,065 convertibles were built; amounting to 14,152 cars. Yearly changes 2005 650i model replaces the 645Ci M6 model introduced 2007 facelift In September 2007, the facelift (LCI) was introduced for the 2008 model year. Major changes include: 635d model introduced, powered by the M57 diesel engine. 630i engine upgraded from the N52 to the N53 in countries with low sulphur fuel. Exterior design changes including headlights, tail-lights, bumpers, and the third brake light on coupé models was relocated to the trunk lid. Interior design changes including updated climate controls, and new electronic gear lever with the ability to change gears manually via steering wheel paddles. Edition Sport trim introduced featuring a stiffer anti-roll system and an updated exhaust system for 650i models. 2009 iDrive upgraded to CIC version (previously CCC) Safety Models feature BMW's Advanced Safety System, enabling the car to decide the most effective deployment of the airbags in a crash. Safety equipment includes active anti-roll bars, dynamic stability control, front knee airbags (in accordance with US regulation), BMW roadside assistance, and an SOS emergency system. Convertible models also feature an automatic rollover protection system, where roll-bars behind the rear seats are automatically deployed in a rollover. From 2008, active head restraints became a standard feature on all seat options, reducing the risk of neck injuries in a rear-end collision. Production volumes The E63/E64 was produced at