The BMW M20 is a SOHC straight-six petrol engine which was produced from 1977 to 1993. It was introduced eight years after the larger BMW M30 straight-six engine, which remained in production alongside the M20.

Mar 19, 2022 · Without as many moving parts or complicated electrical components, M20s are great engines to learn engine maintenance skills for beginners. In this guide, we’ll cover some of the main things that make the M20 such a staple piece in BMW’s straight-6 catalog.

Nov 2, 2021 · The BMW M20 is an inline-six, single overhead camshaft engine that was produced from 1977 to 1993. The M20 powered multiple BMWs, but it went down in history as the unit that powered the iconic E30 3-series.

The M20 is an straight-6 piston engine of BMW, whose 12-valve, belt-driven SOHC design in three parts, featuring a main Block with a Sump at the bottom and a Head at the top. If you want help fitting one of these beasts to your car, learn more about the M20 Engine Swap.

Jan 31, 2025 · The BMW M20B25 is a 2.5 liters (2,494 cc, 152.19 cu-in) straight-six, four-stroke cycle natural aspirated gasoline engine from BMW M20-family. The engine was manufactured on Munich Plant (Munich, Germany) since 1985 to 1991.

The BMW M20 is a straight-six SOHC piston engine produced from 1977-1993. It was released in 1977 in the E12 520/6 and E21 320/6 and began to be phased out following the introduction of the M50 engine in 1990.

Jan 24, 2025 · The BMW M20B20 is a 2.0 liters (1,990 cc, 121.4 cu·in) straight-six, four-stroke cycle natural aspirated gasoline engine from BMW M20-family. The engine was manufactured from 1976 to 1992. The BMW M20B20 engine features a cast-iron block and aluminum head with a single overhead camshaft (SOHC) and two valves per cylinder (12 in total).

Initially designated M20, the 12-valve, belt driven SOHC design was introduced in the 1977 BMW 520/6 and 320/6 as an entirely new design. With displacements ranging from 2.0 to 2.7 liters, it was the "little brother" to the larger BMW M30 engine. It had 91 mm (3.6 in) bore-spacing instead of 100 mm (3.9 in) of the M30.

Oct 9, 2021 · The M20 was an I6 piston engine of BMW. The 12-valve, belt driven SOHC design was introduced in the 1976 BMW 520/6 and 320/6. With displacements ranging from 2.0 to 2.7 liters, it was the "little brother" to the larger BMW M30 engine. Powering the E21 and E30 3-Series, as well as E12, E28 and E34 5-Series cars, it was produced in 4 decades ...

BMW M20B20 Engine Specifications. The BMW M20B20 is a 2.0 liters (1,990 cc, 121.4 cubic inches) straight-six, four-stroke cycle naturally aspirated gasoline engine from BMW M20-family. The engine was manufactured from 1976 to 1992.