Discover the 2021 BMW 128ti: Explore its features, view an extensive gallery with 32 photos. It's powered by a 2.0-liter turbocharged four-cylinder engine, delivering an impressive 261 horsepower. With a top speed of 155 mph (250 km/h), it promises an exhilarating ride.It accelerates from 0 to 100km/h in just 6.1 seconds seconds.