The BMW N42 petrol engine series with capacities of 1.8 and 2.0 liters was produced from 2001 to 2007 and exclusively installed in 3-Series models with the E46 body, including the three-door Compact. This engine was the first to feature the Valvetronic system combined with Double VANOS. The inline four-cylinder engine lineup includes: M10, M40, M43, N43, N45, N46, N13, N20, and B48.
| Exact capacity | 1796 cm³ |
| Power system | injector |
| Engine power | 116 HP |
| Torque | 175 nm |
| Engine block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder diameter | 84 mm |
| Piston stroke. | 81 mm |
| Compression ratio | 10.5 |
| Engine features | Valvetronic |
| Hydraulic compensator. | tak |
| Timing drive | chain |
| Timing phase adjuster | double VANOS |
| Turbocharging | there is no |
| What oils to use | 4.25 liters 5W-30 |
| Fuel type | 92 |
| Environmental class | EURO 3 |
| Approximate life expectancy | 250 000 HP |
| Exact capacity | 1995 cm³ |
| Power system | injector |
| Engine power | 143 HP |
| Torque | 200 nm |
| Engine block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder diameter | 84 mm |
| Piston stroke. | 90 mm |
| Compression ratio | 10 |
| Engine features | Valvetronic |
| Hydraulic compensator. | tak |
| Timing drive | chain |
| Timing phase adjuster | double VANOS |
| Turbocharging | there is no |
| What oils to use | 4.25 liters 5W-30 |
| Fuel type | 92 |
| Environmental class | EURO 3 |
| Approximate life expectancy | 275 000 HP |
| City | 10.2 litry |
| Route | 5.5 litry |
| Mixed | 7.2 litry |
The N42 engine weighs 135 kg according to the catalog. The engine number N42 is located at the junction of the block and the cylinder head. The most common problems for owners are failures in the Valvetronic and Vanos systems. The timing chain and its tensioner often require replacement at a mileage of 100-150 thousand kilometers. The engine runs very hot, which significantly affects the lifespan of the oil seals. Non-original oil may not withstand these temperatures and cause the engine to seize. When replacing spark plugs, the expensive ignition coils frequently fail.
| 3-Series E46 | 2001 - 2007 |
| 3-Series Compact E46 | 2001 - 2004 |
The BMW M40 petrol engine series with a displacement of 1.6 and 1.8 liters was produced from 1987 to 1994 and installed in the most popular models of the company at that time: 5-Series E34, 3-Series E30 and E36. The 16-valve version of the 1.8 liter engine was designated as M42B18. The four-cylinder R4 engine lineup includes: M10, M43, N42, N43, N45, N46, N13, N20 and B48.
The BMW N20 series of petrol engines with a displacement of 1.6 and 2.0 liters was produced from 2011 to 2018 and installed in most compact and mid-size models of that time. An environmentally-friendly modification called N26B20 was offered for the American car market. The R4 series includes: M10, M40, M43, N42, N43, N45, N46, N13, and B48.
The BMW M52 gasoline engine series with capacities of 2.0, 2.5, and 2.8 liters was produced from 1994 to 2001 and installed in popular models such as the 3 Series, 5 Series, 7 Series, and Z3. A special version of the M52B24TU with a capacity of 2.4 liters was created specifically for the Southeast Asian market. The inline-6 engine lineup includes: M20, M30, M50, M54, N52, N53, N54, N55, and B58.
The BMW N62 engine series, with a displacement ranging from 3.6 to 4.8 liters and eight cylinders, was produced from 2001 to 2010 and installed in models such as the 5-Series (E60) and 7-Series (E65). Advanced versions of this engine were also available, providing up to 530 horsepower, offered by Alpina. The V8 engine lineup also includes the following power units: M60, M62, and N63.
1.4-liter engine Fiat 198A4000 or 1.4 T-Jet was installed by the company from 2007 to 2020 and used in models of the Italian concern, such as Bravo, Linea, Doblo, and Grande Punto. This turbocharged engine is also often found under the hood of Lancia Delta, Alfa Romeo MiTo, and Giulietta. The FIRE-T series also includes: 198A1000.
The 5.0-liter gasoline engine Toyota 2UR-FSE was first introduced in 2007 as part of the second generation Lexus Hybrid System. This engine is distinguished by an interesting solution in the form of a combined fuel injection, where direct D4-S injection is combined with traditional distributed MPI. The UR family also includes the following combustion engines: 1UR-FE, 1UR-FSE, 2UR-GSE, and 3UR-FE.