All videos for the BMW 3er-Reihe with driving report, buying advice, long term test and 0-100km/h acceleration test. These facts you should know before you buy or lease the car..The BMW 3er-Reihe G20/G21/G80 320i Touring M Sport Steptronic has a gross list price of 43440 €. It accelerates from 0 to 100 km/h in :car_offers-model-tech_spec-electric_engine-acceleration_0_100 seconds. His top speed is 230 km/h.