N20B20 Engine for BMW X3, X4, and X5 (N20 B16 2.0L)

The BMW N20B20 is a 2.0-liter inline-four turbocharged gasoline engine produced from 2011 to 2017. This engine features an aluminum cylinder block and cylinder head, and integrates various technologies such as twin-scroll turbocharging, direct fuel injection, Double-VANOS variable valve timing, and Valvetronic variable valve lift.

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Description

General Specifications
Cylinder Arrangement: Inline-4
Displacement: 1,997 cc (122 cu in)
Bore x Stroke: 84.0 mm x 90.1 mm
Valve Train: DOHC (Double Overhead Camshaft), 4 valves per cylinder, featuring Valvetronic and Double-VANOS technology
Compression Ratio: 10.0:1 (11.0:1 for specific lower-output 20i models)
Maximum Engine Speed ​​(Redline): 7,000 RPM