BMW N46

The BMW N46 is a straight-4 DOHC piston engine which replaced the N42 and was produced from 2004 to present (as of August 2012). The N46 was sold alongside the N45 (which does not have valvetronic) and N43 (which has direct-injection) straight-4 engines.

Models

Engine	Displacement	Power	Torque	Redline^[1]	Year
N46B18	1,796 cc	85 kW (116 PS; 114 hp) @ 5500	175 N⋅m (129 lb⋅ft) @ 3750	6500	2004
N46B20	1,995 cc	90 kW (122 PS; 121 hp) @ 5750	185 N⋅m (136 lb⋅ft) @ 3250	6500	2009
		95 kW (129 PS; 127 hp) @ 5750	180 N⋅m (133 lb⋅ft) @ 3250	6500	2004
		100 kW (136 PS; 134 hp) @ 5750	180 N⋅m (133 lb⋅ft) @ 3250	6500	2007
		105 kW (143 PS; 141 hp) @ 6000	200 N⋅m (148 lb⋅ft) @ 3750	6500	2004
		110 kW (150 PS; 148 hp) @ 6200	200 N⋅m (148 lb⋅ft) @ 3600	6500	2004
		110 kW (150 PS; 148 hp) @ 6200	200 N⋅m (148 lb⋅ft) @ 3750	6500	2005
		115 kW (156 PS; 154 hp) @ 6400	200 N⋅m (148 lb⋅ft) @ 3600	6500	2007

The N46B18 has a 1796 cc displacement and produces 85 kW (116 PS; 114 hp) and 175 Nm.^[2]

Applications:

The N46B20 has a larger 1995 cc displacement.^[2]

Applications:

90 kW and 185 N⋅m (136 lb⋅ft) version

95 kW and 180 N⋅m (133 lb⋅ft) version

100 kW and 180 N⋅m (133 lb⋅ft) version

105 kW and 200 N⋅m (148 lb⋅ft) version

110 kW and 200 N⋅m (148 lb⋅ft) version

115 kW and 200 N⋅m (148 lb⋅ft) version