B58B30B Complete Engine Assembly / 6929895 — Compatible with BMW X3 G01 M40i Series

The BMW B58B30B is a 3.0-liter turbocharged inline-six engine (part of the B58TU technical update series), producing a maximum output of approximately 382–392 horsepower and a peak torque of 369–384 lb-ft. This engine features a closed-deck aluminum alloy cylinder block, twin-scroll turbocharging technology, the Valvetronic variable valve lift system, and high-pressure fuel injection technology.

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Description

Key Specifications and Technical Data
Engine Type: Inline-6, 24-valve, Turbocharged Gasoline Engine
Displacement: 2,998 cc (3.0 liters)
Bore × Stroke: 82 mm × 94.6 mm (3.23 in × 3.72 in)
Compression Ratio: 11.0:1
Max Power: Approx. 382 hp (285 kW) at 5,800–6,500 rpm
Max Torque: 369–384 lb-ft (500–520 Nm) at 1,800–5,000 rpm
Redline: 7,000 rpm
Block Material: Closed-deck aluminum alloy with arc-wire sprayed cylinder liners
Turbocharger: Single Twin-Scroll

Common Applications
The B58B30B engine is primarily featured in high-output models:
BMW G20 M340i/M340i xDrive
BMW G22/G23 M440i xDrive
BMW G30 540i (LCI models)
BMW G01 X3 M40i
BMW G02 X4 M40i
Toyota Supra (GR Supra)