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.
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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.
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Engine BMW N46B20

After the inline four N42B20, BMW began producing a motor with the N46 index, its two-liter modification was named N46B20. It is based on the N42B20 engine, and it seems that the new motor does not differ from the old one at all, but this is only at first glance. In the BMW N46B20 engine, the volume was increased to 2.0 L (1995 cc). Different versions of the engine have different power from 129 to 170 horsepower on average at 6000 rpm, the torque is also different and is 180 or 200 Nm at 3750 rpm.
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Engine BMW N55B30

In 2009, to replace two brands of engines, BMW released a fresh generation of N55B30 engines. The new engine had an aluminum cylinder block similar to the N54. The cylinder block had cast iron liners and oil nozzles, a crankshaft weighing 3 kg, modified pistons with connecting rods. The connecting rods were now 144.35 mm long. The cylinder head was changed, the variable valve timing system on the two Bi-VANOS shafts was improved.
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Engine BMW N43B16

The N43B16 engine is a modification of the N43 with a volume of 1599 cc. The engine has been produced since 2007. Engine power is 121 HP and peak torque of 160 N * m is achieved at 4250 rpm The internal combustion engine was installed on BMW cars with an index of 16i. A feature of the motor is the use of the well-proven Valvetronic valve lift system. The engine has a direct fuel injection system.
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Engine BMW N52B30

The N52B30 ICE debuted in 2004 and was offered in five variants: from 218 to 272 hp. for the European and US market. In 2006 and 2007, the 3.0-liter engine was included in the Ward’s 10 Best Engines list as the best in-line six-cylinder engine. The 218-horsepower version was produced in two versions, with a torque of 270 and 280 Nm and was designated as N52B30 U1.
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