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. [1] The first cars to use the M20 were the E12 5 …

2025年3月28日 · 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).

2022年3月19日 · 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. We’ll also cover the M20’s specs and technical developments over the years, and some common issues …

2024年12月18日 · The M20B20 is popularly known as the “Spider”. It began to be used as a counterpart to the inline four-cylinder motor. Became the basis of the entire wide family of M20. On top of the cylinder block, the cylinder head for 12 valves, has only one camshaft.

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. Like the larger capacity M30 engine from which it is derived, the M20 has a SOHC and 2 valves per cylinder.

2015年2月17日 · M20B20 (1977 – 1981) is the first version of engine with carburetor fuel supply. The specifications are as follows: compression ratio – 9.2, power – 120 HP at 6,000 rpm, 160 Nm of torque at 4,000 rpm.

2024年3月12日 · M20B20 (1985 – 1991) – LE-Jetronic electronic injection engine. This engine has a 731 head, its own intake and exhaust manifolds, compression ratio of 9.8, power of 129 hp at 6000 rpm, torque of 174 Nm at 4000 rpm.

The first car with an M20 engine was the BMW E12 520/6, which was fitted with a 2-liter M20B20 modification. The cylinder diameter is 80 mm, the piston stroke is 66 mm. The M20B20 engine was first equipped with a Bosch L-Jetronic injector in 1982 on a BMW 520i.

The M20B20 is a 2.0 L M20 engine. Entering production in March 1977 in the E12 520 and later in the E21 320/6, the engine had a bore of 80 mm (3.1 in) and a stroke of 66 mm (2.6 in). Fueling was handled by a Solex four-barrel carburetor. These early versions all used the "200" head.

The BMW M20B20 is a 2.0 L (1,990 cc, 121.4 cu·in) straight-six, natural aspirated four-stroke gasoline engine, manufactured by BMW from 1976 to 1992 . The cylinder bore is 80.0 mm (3.15 in) and the piston stroke is 66.0 mm (2.6 in). The compression ratio rating is 9.2:1, 9.9:1 or 8.8:1.