F12 · 640i Convertible

What the F12 Chassis Is

The BMW F12 designates the convertible variant of the third-generation 6 Series, produced for the US market from 2012 through 2018. It replaced the outgoing E64 convertible and shared its platform and running gear with the F13 coupe and F06 Gran Coupe. Larger and more refined than its predecessor, the F12 positioned itself as a plush yet athletic grand tourer, pairing a fabric soft-top with a spacious, tech-laden cabin. You can confirm any car's exact build using our VIN decoder.

The Models & Body Styles

All F12 cars are convertibles with a power-operated soft-top. The US lineup covered five configurations:

• 640i Convertible — turbocharged inline-six, rear-wheel drive
• 640i xDrive Convertible — inline-six with all-wheel drive
• 650i Convertible — twin-turbo V8, rear-wheel drive
• 650i xDrive Convertible — twin-turbo V8 with all-wheel drive
• M6 Convertible — the high-performance flagship from BMW M

Engines & Drivetrains

The 640i models use the N55 3.0-liter turbocharged inline-six, a smooth and reliable powerplant good for effortless cruising. The 650i steps up to the N63 4.4-liter twin-turbo V8, delivering strong, muscular torque befitting a GT convertible. At the top, the M6 Convertible runs the S63 twin-turbo V8 with substantially more output and a purpose-built chassis. Most F12 cars use ZF's eight-speed automatic, with the M6 employing a seven-speed dual-clutch transmission. Learn how these engines trace through BMW's lineage in BMW DNA.

Owning & Buying an F12

The F12 is a comfortable long-distance cruiser that still handles with composure for its size. Buyers should budget for the realities of a complex, luxury convertible: soft-top mechanisms, electronics, and the demanding maintenance appetite of the turbocharged V8 in 650i and M6 cars. Regular oil changes, cooling-system attention, and inspection of the roof hydraulics are wise. Compared to the earlier E63 and E64, the F12 offers noticeably more refinement and technology.

Strengths & Weak Points

• Strengths: refined ride, potent engine range, luxurious cabin, strong xDrive traction
• Watch for: V8 upkeep costs, soft-top wear, and general expense of parts and service on an aging luxury convertible

For enthusiasts wanting open-air BMW grand touring with genuine performance credentials, the F12 remains a compelling choice on the used market.