The car will be launched in March 2019 with two model variants: BMW M850i xDrive Convertible with 390 kW/530 hp V8 engine and BMW 840d xDrive Convertible with 235 kW/320 hp six-cylinder in-line diesel engine. Power transfer by eight-speed Steptronic Sport transmission and BMW xDrive intelligent all-wheel drive.
Adaptive M suspension, Integral Active Steering and mixed-size tyres come as standard. M Sport differential (with electronically controlled differential lock) fitted as standard at the rear axle of the BMW M850i xDrive Convertible and available as an option for the BMW 840d xDrive Convertible. Active roll stabilisation optional for the BMW M850i xDrive Convertible.
M Sport package for the BMW 840d xDrive Convertible with specific design and equipment features: front apron with extra-large air intakes, distinctive side skirt and rear apron design, 19-inch M light-alloy wheels, M Sport braking system, multifunction seats, M leather steering wheel and illuminated door sills with M logo. BMW M850i xDrive Convertible also has a front spoiler extension, 20-inch M light-alloy wheels and high- performance tyres, specific M Sport braking system, exclusive exterior elements in Cerium Grey, interior trim strips in stainless steel mesh design and illuminated door sills with model badge.
Further individualisation options provided by Chrome Line Exterior, M Carbon exterior package with air intake slats, exterior mirror covers and exhaust tailpipe embellisher in CFRP, plus BMW Individual features.