.This BMW 8er-Reihe G14/G15/G16/F91/F92/F93 840i Cabrio M Technic Sportpaket xDrive Steptronic costs new 123200 €. From 0 to 100 km/h it accelerates in :car_offers-model-tech_spec-electric_engine-acceleration_0_100 seconds . His top speed is 250 km/h.