The BMW 4-Series Coupe is not only about powerful gasoline engines and M Performance packages . The base 420d SE model is the one that most people will buy (in Europe, of course), as the diesel 4-Series is expected to make up a large portion of the sales. So how does the 420d present itself? Auto Express magazine took it for a long test drive, covering 800 miles (1,287 km) across Great Britain to find out. Read more »
