BMW 6 Series 2011–2014 car dimensions: 4894 mm long, 1894 mm wide and 1365 mm high. Unladen weight is 1,840 kg. Boot space with the seats up is 350 litres.
The cabin is a driver-focused 2+2 layout with high-quality materials and a freestanding iDrive Control Display (7-inch standard, 10.2-inch with Professional navigation). Two-zone automatic climate control includes a dedicated cabrio mode. Cruise control with brake function is standard. Front and rear parking sensors, reversing camera, lane departure warning, lane change warning and automatic emergency braking features are available as options or in packages.
Boot volume is 350 litres with the roof closed. With the soft-top open it drops to 300 litres. A variable roof compartment can be raised by hand when the top is up to free the extra space. Optional ski bag through the rear bulkhead carries two pairs of skis.
Official technical data list braked and unbraked trailer loads as not available. DIN payload is 450 kg (kerb weight 1840 kg, maximum gross weight 2290 kg). No heavy-duty cooling or reinforced suspension packages are described for work or towing use.
Dakota leather with SunReflective technology is standard and stays cooler in sun with the top down. Electric multi-way front seats with memory come as standard and offer solid long-distance support. Optional multi-contour comfort seats add extra adjustments including bolsters. Active seats that gently move to cut fatigue are also optional. Two-zone climate control has a convertible mode that adjusts airflow with the top open. The multi-layer soft top gives good noise insulation when closed. Optional extras include soft-close doors and ambient lighting.
Petrol engine, combined 7.9 l/100 km and 185 g/km CO2 (NEDC, ACEA)
Condition Based Service sets oil and other intervals by actual use
No Euro NCAP crash-test result published for the F12 Convertible
Standard kit: front/side airbags with head protection, roll-over bars, DSC/ABS, active headrests, active pedestrian bonnet
The 640i uses a 3.0-litre turbo petrol engine. Official combined fuel use is 7.9 l/100 km with 185 g/km CO2 under NEDC rules for European markets. The tank holds 70 litres and the car takes minimum RON 91 fuel. Auto Start-Stop is fitted as standard.
BMW Condition Based Service monitors oil condition, brake wear and other items then shows when work is due. Intervals are flexible rather than fixed. Engine oil capacity is 6.5 litres.
Standard safety covers dual front airbags, front side airbags that include head protection, three-point belts with pretensioners and force limiters, crash-active front head restraints, DSC with ABS and DTC, and an automatic roll-over protection system. An active bonnet lifts in a pedestrian impact between roughly 20 and 55 km/h. Tyre pressure monitoring is available. No separate Euro NCAP star rating was issued for this convertible.
Homologated unladen weight for Germany is 1840 kg DIN or 1915 kg EU. Run-flat tyres are standard. Soft-top seals and mechanism need regular checks to stay weather-tight. Optional driver aids such as lane departure warning and night vision can be added.
Length 4894 mm, Width 1894 mm, Height 1365 mm, Wheelbase 2855 mm (6 Series 2011–2014)
Sources: manufacturer data, BMW Media Information, Specifications of the new BMW 6 Series Convertible 640i and 650i, 12/2010, valid from 3/2011, PressClub attachment 09/2011), Figures are the 640i.