Manual

The M43B18 engine, which replaced the M40B18 in 1992, is an in-line 4-cylinder engine of the M43 family (which also included the M43B16 and M43B19). The M43 cylinder block was essentially carried over from the M40, the stroke stayed the same, and the crankshaft now has four counterweights instead of the eight on the M40. […]

With a displacement of 1.9 liters (1895 cc), the BMW M43B19 engine, also referred to as the M43TU, is the biggest in the lineup. The use of the exclusive BMW BMS 46 fuel injection system is one of these power units’ unique features. There are two variations, each with a distinct power level. M43TUB19 OL: […]

The 4-cylinder BMW M44B19 engine, which was manufactured from 1996 to 2001, took the place of the M42B18 engine. In comparison to the M42, the M44’s engine, control system, and outlet system have all undergone significant design modifications. This power unit has emerged as a leader in the BMW four-cylinder engine program. This engine’s cylinder […]

Produced from 1998 to 2007, the 2.0-liter BMW M47 diesel engine – later renamed the M47TU – was fitted to the company’s largest models, including the 1-Series, 3-Series, 5-Series, and X3. This motor was available for Rover and Land Rover vehicles under the M47R index. The engine was installed on: BMW 1-Series E87 in 2004 […]

In 1990, the M50B20 engine—the smallest inline 6-cylinder engine in the BMW M50 series, which also included the M50B24, M50B25, S50B30, and S50B32—was introduced to replace the outdated M20B20. This new cast-iron cylinder block has oil nozzles; the height has changed to 210 mm, but the inter-cylinder distance is still 91 mm. This block contains […]

In 1990, BMW replaced its inline 6-cylinder M20B25 engine with a new, far more potent and sophisticated M50B25. The device is a member of the new M50 family, which also includes the M50B20, M50B24, S50B30, and S50B32. The cylinder head is the primary distinction between M50 and M20 engines. The new engine has 24 valves, […]

From 1991 to 2001, a plant in Austria assembled the 2.5-liter BMW M51 diesel engine, which was fitted to well-known models like the 3-Series in the E36 body and the 5-Series in the E34 and E39 bodies. In 1996, this power unit underwent an upgrade and was assigned a new M51TU index. The engine was […]

In 1994, the well-liked M50B20 engine was replaced by the M52B20. This is the first engine in the new M52 family of inline 6-cylinder engines, which also includes the M52B24, M52B25, M52B28, and S52B32. The new engine’s lightweight aluminum cylinder block has new pistons, connecting rods, and nickel-plated cylinders. The M52B20 connecting rod is 145 […]

Introduced in 1995, the BMW M52B25 engine from the M52 family (which also included the M52B20, M52B24, M52B28, and S52B32) was intended to replace the 2.5-liter M50 representative. The bottom’s geometry stayed the same, but the pistons and connecting rods were modified, and the cast-iron block was swapped out for a lightweight aluminum cylinder coated […]

The M52B28 engine, which debuted in 1995, is the senior member of the M52 family, which also consists of the M52B20, M52B24, M52B25, and S52B32. In North America, the engine block is made of cast iron; in Europe, it is made of nickel-plated aluminum. The engine’s dimensions are square (84 x 84 mm), the cylinder […]