Brand-New BMW X5M Engine • F85 • S63B44B • 4.4L Twin-Turbo V8 • 2019 • Only 5 km • Complete Unit

Available is a new, complete BMW X5M (F85) S63B44B engine, manufactured in 2019 and showing only 5 km of test mileage. This 4.4-liter Twin-Turbo V8 is BMW M’s high-performance powerplant used in the F85 X5M, delivering exceptional power, torque, and reliability thanks to the advanced M TwinPower Turbo system and reinforced internals.

This engine is supplied exactly as shown in the photos, complete with all major add-on components, making it ideal for an OEM replacement, high-level restoration, or performance-focused project requiring a factory-new M V8.

Technical Specifications

• Brand / Model: BMW X5M (F85)

• Model Year: 2019

• Engine Code: S63B44B

• Displacement: 4.4 liters (4,395 cc)

• Configuration: V8 Twin-Turbo, 32-valve

• Power Output (factory spec): 575–600+ PS (model dependent)

• Mileage: 5 km (factory test mileage)

• Engine Identification: S63B44B

• Condition: New / unused

• Delivery: Complete engine with all add-on parts

Included Components

Engine is delivered complete, including:

• Twin turbochargers

• Intake manifold & throttle assemblies

• Exhaust manifolds

• Fuel injectors

• Wiring harness

• Sensors & actuators

• OEM accessory components

• Engine covers and attached units

Everything shown in the photos is included—not just a long block.

Engine Highlights

• New, never installed S63B44B high-performance M engine

• Latest-gen BMW M TwinPower Turbo architecture

• Reinforced internals and cross-bank turbo setup

• Perfect fit for BMW X5M F85

• Ideal for replacement, rebuild, or custom high-power applications

• Only 5 km—effectively a brand-new OEM engine

Brand-new BMW X5M F85 engine S63B44B, 2019, 4.4L Twin-Turbo V8, only 5 km. Complete engine with all add-on parts. Perfect OEM replacement.