N46B20 2.0L Engine for BMW 318i, 120i, 320i, X1, X3, and Z4

The BMW N46B20 is a 2.0-liter, naturally aspirated, four-cylinder gasoline engine produced from 2004 to 2015. It features Valvetronic variable valve lift technology and the Double VANOS system. Its key technical specifications include: a compression ratio of 10.0:1; a maximum power output of 150 to 156 horsepower (110 to 115 kW) within the 6,200 to 6,400 rpm range; and a peak torque of 200 to 210 Nm (147 to 155 lb-ft). This engine is commonly found in models such as the 118i, 120i, 318i, and 320i.