Photo: BMW AG Like the Alpina E30-based B6 range, the 333i received an M30 inline-six and the tuner's custom wheels. However, the engine was a stock 3.2-liter, borrowed from the E23 733i ...

The 333i’s M30 engine was so well-regarded that Alpina broke tradition and chose it over the E30 M3’s M14 four-cylinder for the Alpina B6S. Usually, Alpina uses engines from top-of-the-line ...