| Manufacturer | BMW |
|---|---|
| Production | 2001–2004 |
| Predecessor | BMW M43 |
| Successor | BMW N45 BMW N46 |
| Class | Straight-4 |
The N42 is a series of I4 automobile piston engines from BMW designed in conjunction with MG Rover engineers with the intention of replacing the larger capacities of K series engines used in Rover products. However, this plan was dropped following the sell off in 2000. The series debuted with the E46 cars in 2001. Displacement ranges from 1.8 L to 2.0 L.
| Engine | Displacement | Power | Torque | Redline | Year |
|---|---|---|---|---|---|
| N42B18 | 1.8 L (1796 cc/109 in³) | 85 kW (115 hp) @ 5500 | 175 N·m (129 ft·lbf) @ 3750 | 6500 | 2001 |
| N42B20 | 2.0 L (1995 cc/121 in³) | 105 kW (143 hp) @ 6000 | 200 N·m (147 ft·lbf) @ 3750 | 6500 | 2001 |
The N42B18 is a 1.8 L (1796 cc) version producing 85 kW (115 hp) and 175 N·m (129 ft·lbf). It uses Bosch DME ME9.2 fuel injection. It has twin-balancing shafts. The N42B18 won the 1.4-1.8 L category of the International Engine of the Year competition for 2001.
Applications:
The N42B20 is a larger 2.0 L (1995 cc) version. It produces 105 kW (143 hp) and 200 N·m (148 ft·lbf) with the same Bosch DME ME9.2 fuel injection. It has twin balance shafts.
Applications: