Category: BMW

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. The cylinder head […]

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. N43B20K0 – software-strangled version with 122 hp at 6000 rpm, 185 Nm of torque at 3000 rpm. The motor […]

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 feature of the […]

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. The N42B20 engine uses a new long-stroke crankshaft (90 mm stroke) as well as new pistons and connecting rods. The balance shafts remain the same as […]

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 […]

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 control system […]

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. M43TUB19 UL: weak version […]

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, […]

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). Compared to its predecessor, the new power unit received a lighter crankshaft, other pistons […]

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. As before, hydraulic valve clearance compensators are used on the M42. The diameter of the intake valves is 33 mm, exhaust […]