For 2012–2019 BMW F15 X5, X3, 335i AWD — 3.0L Inline-6 ​​N55B30 Engine

The BMW N55B30 is a 3.0-liter turbocharged inline-six engine produced from 2009 to 2021. This engine is highly acclaimed for its smooth power delivery, single-turbo twin-scroll technology, and Valvetronic variable valve lift system. It powers a wide range of BMW models, spanning the lineup from the 335i to the M2.

Description

Key Technical Specifications
Engine Type: Inline-6
Displacement: 2,979 cc (181.8 cu in)
Bore x Stroke: 84.0 mm x 89.6 mm (3.31 in x 3.53 in)
Compression Ratio: 10.2:1
Redline: 7,000 RPM
Valvetrain: DOHC (Dual Overhead Camshaft), featuring Double VANOS (Variable Valve Timing) and Valvetronic (Variable Valve Lift) systems
Turbocharger: Single Twin-Scroll BorgWarner Turbocharger