Engine BMW M40B18

M40B18 is the first inline 4-cylinder engine of the M40 family, the older brother of the M40B16, developed in 1987 as a replacement for the outdated M10 series. The engine is based on a cast-iron cylinder block covered with an 8-valve head with one camshaft and hydraulic lifters (valve adjustment is not required on the M40). Continue reading Engine BMW M40B18

Engine BMW M43B18

The M43B18 engine is an in-line 4-cylinder engine of the M43 family (it also included the M43B16 and M43B19), which was released in 1992 as a replacement for the M40B18. The M43 cylinder block was transferred from the M40 practically unchanged, the crankshaft now has 4 counterweights (there were 8 on the M40) and lost a little in weight, the stroke remained unchanged. Continue reading Engine BMW M43B18

Engine BMW N43B20

The BMW N43B20 engine is a 4-cylinder inline gasoline unit produced by BMW from 2007 to 2011. There are three versions of the N43 engine, which have gained popularity and recognition among motorists around the world. Continue reading Engine BMW N43B20

Engine BMW N46B20

BMW N46 gasoline engines were produced from 2004 to 2015 and were installed on almost all compact and medium-sized models of the group of that time. The 2.0-liter N46B20 engine was created on the basis of the N42B20 and at first glance does not differ from its predecessor, but it is not. Continue reading Engine BMW N46B20

Engine BMW N20B20

The 4-cylinder N20B20 turbo engine began to be installed on BMW cars in 2011. The engine replaced the N53B25 and N53B30 units. The block of the new motor is made of aluminum alloy and contains two balance shafts. Steel-coated engine cylinders, forged crankshaft with four offset counterweights, 144.35mm long cranks. Continue reading Engine BMW N20B20

Engine BMW B48B20 / B48A20

A series of 2.0-liter BMW B48 gasoline engines has been produced by the company since 2014 and is installed on almost the entire modern model range of the German automaker. Two versions of the motor differ: B48A20 – for cars with front-wheel drives and B48B20 – with rear ones. Continue reading Engine BMW B48B20 / B48A20

Engine BMW M20B20

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. In 1987 it was updated using a Bosch Motronic catalytic converter system. Continue reading Engine BMW M20B20

Engine BMW M20B25

The M20B25 – 2.5 liter engine without catalytic converter. It was originally released with a carburetor, and over time it was equipped with a fuel injection system – Bosch. The engine management system was used by Bosch Motronic 1.1/1.3. In 1987, the B25 was upgraded after which the capacity was increased. Continue reading Engine BMW M20B25

Engine BMW M30B30

The M30B30 engine is the 3.0-liter (2986 cc) version of the M30 engine. The fuel injected version of the 2,986 cc (182.2 cu in) M30 debuted in 1971 in the E9 3.0 CSi and initially used the Bosch D-Jetronic mechanical fuel injection system. In 1976, the fuel injection system was upgraded to Bosch L-Jetronic electronic fuel injection. The M30B30 produces up to 147 kW (200 PS; 197 bhp) and 272 Nm (200 lb⋅ft), depending on the model year and whether a catalytic converter is fitted. The compression ratio is 9.2:1. With catalytic converter, compression ratio is 9:1. Continue reading Engine BMW M30B30

Engine BMW M30B35LE

The M30B35LE is a lower efficiency, SOHC, two-valve version of the M88/1 engine, also known as the M90. It uses the same block as the M88 and the same bore and stroke, but the cylinder head is borrowed from the BMW M30 engine family. Over the years, both Bosch Motronic and Bosch L-Jetronic engine management systems have been used in this engine. Usually identified by a white L on the block behind the oil filter housing and coolant passages on the side of the block. Continue reading Engine BMW M30B35LE

Engine BMW M30B35 / M30B34

The M30B34 engines sold in Europe and most other markets had a compression ratio of 10.0:1 and produced 160 kW (218 hp). In North America and Japan, the M30B34 had an 8.0:1 compression ratio and produced 136 kW (185 hp). All markets used the Bosch Motronic digital fuel injection system. The bore is 92 mm (3.62 in) and the stroke is 86 mm (3.39 in). Continue reading Engine BMW M30B35 / M30B34

Engine BMW M54B22

M54B22 is the junior engine of the M54 series (which also includes M54B25, M54B30 and S54B32), is an evolution of the M52TUB20, in which the crankshaft was replaced with a new, cast iron crankshaft with a stroke of 72 mm (it used to be 66 mm), lightweight pistons were installed, 145 mm modified forged connecting rods, the cylinder block was old, aluminum with cast iron liners, from M52TU. Continue reading Engine BMW M54B22