The most extreme of the Alpina-prepared 3-Series BMW E30s was the B6 3.5S, which derived from the M3. 61 units were produced from November 1987 to December 1990. The B6 3.5S had a 3430cc inline 6-cylinder engine (type B10 / 5-6), delivering 254 HP. The top speed was over 250 km / h and the car accelerated from 0 to 100km / h in 6sec 6.