BMW 3-Series

The BMW 3 Series are German compact luxury cars produced by the car manufacturer BMW AG since 1975. In 2011, the 6th generation of the model was released. The 3 Series is BMW’s bestseller as it accounts for about a third of its sales. Every year, about 0.5 million copies of a 3-series auto are released from the manufacturer’s plant. About 20% of them are sold in the North American market. There is also an M-version of the car – BMW M3, which is more powerful and sporty.

Engine BMW B38

The 1.5-liter BMW B38 3-cylinder engine series has been assembled since 2013 and is installed on cars with front-wheel drive like B38A15, rear-wheel drive like B38B15 and hybrids like B38K15. Also, these units are installed on the Mini: 1.2-liter B38A12A and 1.5-liter B38A15A.

Engine BMW M40B16

The BMW M40B16 engine – a low-volume in-line 4-cylinder engine of the BMW M40 series, was released in 1988 and was developed on the basis of the M40B18, in which a crankshaft with a smaller stroke and other pistons were installed, the connecting rods remained the same.

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inline 4-cylinder engine of the M40 family, the older brother of the M40B16, developed in 1987 as a replacement for the outdated M10 series.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 …

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Engine BMW M42B18

The M42B18 engine is an inline 4-cylinder engine developed from the M40B18. It differs from its predecessor mainly in the new, more efficient aluminum 16-valve cylinder head with two camshafts and an optimized combustion chamber.

Engine BMW M43B16

M43B16 engine – a 1.6-liter BMW engine of the M43 family (it also included M43B18 and M43B19), which replaced the M40B16, was developed on the basis of the 1.8-liter M43B18, which introduced a crankshaft with a reduced piston stroke to 72 mm (was 81 mm ).

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 …

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Engine BMW M43B19 / M43TU

The BMW M43B19 engine, better known as the M43TU, is the largest of the lineup and has a displacement of 1.9 liters (1895 cc). A distinctive feature of these power units is the use of the proprietary fuel injection system BMW BMS 46. There are two modifications with different power levels.

Engine BMW M44B19

The BMW M44B19 engine is a 4-cylinder engine that replaced the M42B18 engine and was produced from 1996 to 2001. This power unit has taken a leading position in the BMW four-cylinder engine program and compared to the M42, many design changes have been made on the M44 both in the engine itself, in the …

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Engine BMW N42B18

BMW N42B18 engines are in-line 4-cylinder engines with DOHC gas distribution system. The predecessor of this unit model was the M43 series engines. The main feature of the N42B18 is the two overhead camshafts and the innovative VANOS system. This technology made it possible to reduce fuel consumption and reduce outlet gas pollution. And Valvetronic …

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Engine BMW N42B20

The 4-cylinder N42B20 engine replaced the obsolete M43B18, M43B19 and M44B19 in 2001. Instead of a heavy cast-iron cylinder block, a light aluminum one with cast iron liners was used in the new engine.

Engine BMW N43B16

The N43B16 engine is a modification of the N43 with a capacity of 1599 cc, produced since 2007. The small 1.6-liter 4-cylinder BMW N43B16 engine replaced its predecessor N42B18 with some delay and was developed on the basis of the older N43B20. The engine was installed on BMW cars with an index of 16i. A …

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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.

Engine BMW N45B16

The small 1.6-liter BMW N45B16 engine was developed in 2004 based on the predecessor N42B18. The new engine has a different crankshaft with a shorter piston stroke (it was 81, now 72 mm), different connecting rods and a modified piston. In addition, the Valvetronic valve lift system is not used on the N45B16.

Engine BMW N45B20S

In 2006, the N45 engine received a new modification – N45B20S with a displacement of 1997 cc. The N45B20S replaced the N42B20 and was produced in a limited edition in 2006 specifically for the BMW 320si E90. In addition to improving technical characteristics, the main technological improvement of the engine was undoubtedly the use of …

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Engine BMW N46B18

The younger modification of the N46 series, under the name N46B18, was developed in 2004 on the basis of the N46B20 and was produced only for the BMW E46 316. Considering the fact that the E46 was discontinued in 2005, this power unit was not widely used either.

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.

Engine BMW N13B16

The 1.6-liter BMW N13 turbo petrol engine was produced by the company from 2011 to 2016 and was installed only on two models of the concern: 1-Series in the back of the F20 and 3-Series in the back of the F30. This motor was developed jointly with the PSA concern and is known there under …

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Engine BMW N20B16

The N20B16 petrol 4-cylinder turbo engine has been produced since 2013. This engine is installed on BMW 3- and 5-series cars with the 20i index for the Turkish, Greek and Vietnamese markets.

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.

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.

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 …

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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.

Engine BMW M50B20

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.

Engine BMW M50B25 / M50B25TU

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.

Engine BMW M52B20 / M52TUB20

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.

Engine BMW M52B25 / M52TUB25

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 …

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Engine BMW M52B28 / M52TUB28

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.

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 …

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Engine BMW M54B25

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.

Engine BMW M54B30

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.

Engine BMW N52B25

The N52B25 is a 2.5-liter engine from the new N52 series (which includes the N52B30), with six cylinders in line. The N52B25 was introduced in 2005 as a replacement for the popular M54B25 and unlike past evolutions of the M-family, this is now a completely new engine. The N52 is based on an even lighter …

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Engine BMW N52B30

The N52B30 is the first engine in the new N52 range (which includes the N52B25) with six cylinders in line. Unlike its predecessor (M54B30), the N52B30 is a completely new engine, with a new lightweight magnesium-aluminum cylinder block, a different crankshaft and a lightweight connecting rod and piston group.

Engine BMW N53B30

The 3-liter N53B30 engine represents the N53 family (which included the N53B25), appeared in 2007 and replaced the N52B30 of the same size. The new engine is a modified N52, in which the piston, cylinder head has changed, a direct fuel injection system has appeared, the ambiguous Valvetronic valve lift system has disappeared, and the …

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Engine BMW N54B30

The 3.0-liter BMW N54B30 turbo petrol engine was produced by the concern from 2006 to 2016 and was installed on a number of popular models: 1-Series, 3-Series, 5-Series, 7-Series, X6 crossover. This unit was actively used by Alpina to create their heavy-duty motors.

Engine BMW N55B30

The 3.0-liter BMW N55B30 turbo engine was produced by the German concern from 2009 to 2018 and was installed on almost all major models of the company, including X-series crossovers. Alpina created several of its especially powerful power units based on this engine.

Engine BMW B58B30

A series of 6-cylinder BMW B58B30 engines with a volume of 3.0 liters has been assembled in Munich since 2015 and put on charged modifications of rear- and all-wheel drive models of the German concern. There are two generations of such engines and the line of S58 sports units created on their basis.

Engine BMW M41D17

The 1.7-liter BMW M41 or M41D17 diesel engine was produced from 1994 to 2000 and was installed on only one model: the 3-Series E36, but in all of its many bodies. This power unit has 86% of common parts with the popular 6-cylinder M51 diesel engine.

Engine BMW M47D20

The 2.0-liter BMW M47 diesel engine, and then the M47TU, was produced from 1998 to 2007 and was installed on the most massive models of the concern, such as 1-Series, 3-Series, 5-Series and X3. There was a version of this motor under the M47R index for Rover and Land Rover cars.

Engine BMW N47D20

BMW N47D20 diesel engines with a volume of 2.0 liters have been produced since 2007 and are installed on all compact and medium-sized models of the concern, including Mini cars. For some time, such diesel engines were installed on many Toyota compact vans and crossovers.

Engine BMW B47 (C20/D20)

The BMW B47 2.0-liter 4-cylinder diesel engine series has been assembled since 2014 and is installed on cars with front-wheel drive as B47C20, rear-wheel drive as B47D20 and on Mini as B47C20A. These motors exist in two different generations and their updated versions are called B47TU1.

Engine BMW M21D24

The 2.4-liter BMW M21 or M21D24 diesel engine was produced from 1983 to 1991 and was installed on the concern’s popular models: 3-Series in the back of the E30 and 5-Series in the back of the E28 and E34. This unit was offered both in an atmospheric version and in a turbocharged version.

Engine BMW M51D25

The 2.5-liter BMW M51 diesel engine was assembled at a plant in Austria from 1991 to 2001 and installed on such popular models as the 3-Series in the E36 body and the 5-Series in the E34 and E39 bodies. This power unit was upgraded in 1996 and received a new M51TU index.

Engine BMW M57D30

Motors of the M57 series began to be installed on Munich cars since 1998 and replaced the diesel M51. The new M57D30 engine was developed on the basis of its predecessor, it also uses a cast-iron cylinder block, but the diameter of the cylinders themselves is increased. Here is an aluminum DOHC head with 24 …

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Engine BMW N57D30

The 3.0-liter BMW N57 diesel engine has been assembled at the plant in Steyr since 2008 and is installed on almost all more or less large models of the German concern. The power unit has three modifications: with single, double or triple turbocharging.

Engine BMW B57D30

A series of 6-cylinder BMW B57 diesel engines with a volume of 3.0 liters has been assembled since 2015 and is installed on the most popular rear and all-wheel drive models of the German concern. There are three modifications of these power units: with one, two or four turbines.

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