Engine BMW N53B25

The six-cylinder in-line engine N53B25 was designed on the basis of the N52B25 and completely replaced it in 2007. The cylinder block, which is made of an aluminum-magnesium alloy, has undergone very minor modifications, the designers have changed the pistons and increased the Compression ratio (now it is equal to 12.0). The head with double vanos was modified, a direct injection system was added. The Valvetronic system was completely removed from the unit. The engine ECU was also replaced – now the motor is controlled by the MSD81 system from Siemens. This unit was installed on the BMW 23i model in the body – E60 / E61. Continue reading Engine BMW N53B25

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 technology contributes to increased power by optimizing the cylinder filling with the mixture. Continue reading Engine BMW N42B18

Engine BMW M54B30

This engine was created in 2000 on the basis of the M52TUB28 engine 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 internal combustion engine, the cylinder block is made of aluminum alloy, but using cast iron liners. In 2004, BMW presented the world with a new line of N52 engines, which smoothly began to replace the M54 line. In 2006, the M54B30 ICE completely left the production line. But in 2006, on the basis of the M54, one of the most successful BMW N54 turbocharged engines was created, which was massively installed on cars with the 35i index. Continue reading Engine BMW M54B30

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. The cylinder head is covered with another cover, a new generator and candles are used. Engine management system Bosch ME 9.2. Since 2007, the engine has been updated, received a new Bosch ME17.4.5 control unit, and the letter N has been added to the name – N45NB16. This engine was used on BMW cars with an index of 16i. Along with this engine in the limited edition N45 series, a 2-liter sports version was also produced – the N45B20S. Continue reading Engine BMW N45B16

Engine BMW N43B20

The BMW N43B20 engine is a four-cylinder in-line 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. Unlike its predecessor, the N42 engine, the new BMW N43 engine features direct fuel injection and Valvetronic valve lift systems. The engine was produced in conjunction with such units as N45 and N46, however, in terms of demand, it surpassed its followers in this period of time. This engine has been designed to achieve an optimally high level of torque combined with economy and environmental friendliness – a combination that is not always easy to achieve. Continue reading Engine BMW N43B20

Engine BMW M44B19

The BMW M44B19 engine is a 4-cylinder engine that replaced the M42 engine and was produced from 1996 to 2001 at the Steyr plant. 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 and in the outlet system. Continue reading Engine BMW M44B19

Engine BMW N45B20S

In 2006, the N45 engine received a new modification – N45B20S with a displacement of 1997 cc. The updated inline 4-cylinder engine differs from its predecessor in terms of power – 126 kW (173 hp). In addition to improving technical characteristics, the main technological improvement of the engine was undoubtedly the use of the innovative Valvetronic system, which significantly increases the efficiency of the entire engine as a whole. Continue reading Engine BMW N45B20S

Engine BMW N46B18

The BMW N46 engine is a four-cylinder piston engine with two overhead camshafts, which replaced the N42 and has been in production since 2004. The N46 was produced alongside the N45 (which does not have Valvetronic) and the N43 (which has direct injection). The BMW N46B18 1.8 L (1796 cc) engine produces 114 horsepower (85 kW) at 5500 rpm and 175 Nm of torque at 3750 rpm. Continue reading Engine BMW N46B18