Category: BMW

BMW M54B30 engine was created in 2000 on the basis of the M52TUB28 and was first installed on the restyled versions of the BMW E46 and BMW E39. In addition to the M54B30, the range of new motors includes the M54B22, M54B25 and S54B32. As in the M52B28TU engine, the cylinder block is made of aluminum alloy, but using cast iron […]

The M54B25 is a very popular 2.5 liter engine in the M54 series (which includes the M54B22, M54B30 and S54B32) and entered the BMW production line in 2000 and replaced the M52TUB25. Differences between the M54 and the M52: the cylinder block of the new engine remained old, aluminum with cast-iron sleeves and with a cast-iron crankshaft, connecting rods (145 […]

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 […]

The M52B28 engine appeared in 1995 and is the senior representative of the M52 family (which also includes the M52B20, M52B24, M52B25, S52B32). The engine block on European versions is nickel-plated aluminum, for North America the block is cast iron. The engine geometry is square – 84×84 mm, the cylinder diameter is the same as on the M52B25, […]

The BMW M52B25 engine from the M52 family (it also included the M52B20, M52B24, M52B28, S52B32) was introduced in 1995 and was positioned as a replacement for the 2.5-liter M50 representative. The geometry of the bottom remained the same, but the cast-iron block was replaced with a lightweight aluminum cylinder with a Nikasil coating, pistons and connecting rods […]

The M52B20 engine appeared in 1994 and replaced the popular M50B20. This is the first representative of the new M52 family of inline 6-cylinder engines (which also includes M52B24, M52B25, M52B28, S52B32). The cylinder block of the new engine is now lightweight aluminum with nickel-plated cylinders, new pistons and connecting rods. The length of the M52B20 connecting rod is […]

In 1990, the inline 6-cylinder M20B25 engine from BMW was replaced by a new, much more powerful and advanced M50B25. The unit belongs to the new M50 family, the same line includes M50B20, M50B24, S50B30, S50B32. The main difference between M50 and M20 engines is the cylinder head. In the new engine, the cylinder head is already two-shaft, has hydraulic lifters, […]

The M50B20 engine, the smallest inline 6-cylinder engine of the BMW M50 series (the family also included M50B24, M50B25, S50B30, S50B32) was released in 1990 as a replacement for the obsolete M20B20. Here is a new cast-iron cylinder block with oil nozzles, the inter-cylinder distance remains the same – 91 mm, but the height has changed to 210 mm. […]

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 […]

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 […]