BMW N42
| BMW N42 engine | |
|---|---|
| Overview | |
| Production | 2001–2004 | 
| Layout | |
| Configuration | Inline-4 | 
| Displacement | 
  | 
| Cylinder bore | 84 mm (3.31 in) | 
| Piston stroke | 
  | 
| Cylinder block material | Aluminium | 
| Cylinder head material | Aluminium | 
| Valvetrain | DOHC, with VVT & VVL | 
| Combustion | |
| Fuel type | Petrol | 
| Chronology | |
| Predecessor | BMW M43 | 
| Successor | BMW N46 | 
The BMW N42 is a DOHC four-cylinder petrol engine which replaced the BMW M43 and was produced from 2001-2004.
The N42 serves as the basis for the smaller N40 engine (which does not have Valvetronic).
The N42B18 won the 1.4-1.8 L category of the International Engine of the Year awards for 2001.
In 2004, the N42 was replaced by the BMW N46 four-cylinder engine.