 Rover M-series engine

The Rover M series (or M16) is a line of 4-cylinder, DOHC internal-combustion engine introduced by the Austin Rover Group in 1986 for the then-new Rover 800 series.The M series was produced only in one cubic capacity – 1994 cc (2.0 L), and was a 16 valve development of the older British Leyland O-series unit first seen in 1978.