BMW 6-Series Cabrio by Kelleners Sport

German tuner Kelleners Sport has a package for the BMW 6-Series Cabriolet that includes a power boost on the 650i model. The tuner sees no need for an aero kit on the 6-Series Cabrio but starts things off with an engine tuning on the 650i that boosts power to an output of 490 PS (360 kW), up from the series 407 PS (300 kW). Torque also rises to a maximum 720 Nm (531 lb-ft), from the standard