Overhauled Engine for BMW X5M – 4.4i V8 – Engine Code S63B44B
This fully overhauled engine for the BMW X5M F85 with engine code S63B44B is a genuine OEM unit delivered as shown in the pictures. Professionally rebuilt, this engine ensures restored performance, reliability, and durability for high-performance BMW vehicles.
The S63B44B 4.4L twin-turbo V8 engine is designed to deliver exceptional power, smooth acceleration, and precise electronic integration with the X5M’s drivetrain and vehicle management systems. This overhauled engine is ideal for owners, workshops, or performance specialists seeking a complete, ready-to-install BMW replacement engine.
Engine Specifications
- Vehicle Model: BMW X5M F85
- Engine Type: 4.4L V8 Twin-Turbo Petrol
- Engine Code: S63B44B
- Engine Identifier: S63B44B
- Condition: Professionally overhauled
- Delivery Condition: As shown in pictures
- Installation Type: OEM replacement recommended
- Shipping: Worldwide delivery available
Compatibility
Compatible with:
- BMW X5M 4.4i models equipped with engine code S63B44B
- Vehicles requiring OEM S63B44B specification
Buyers should verify VIN and engine code to ensure precise fitment.
Key Benefits
- ✔ Fully overhauled OEM BMW engine
- ✔ Restored performance to factory standards
- ✔ Optimized twin-turbo V8 power delivery
- ✔ Smooth acceleration and torque response
- ✔ Ready for direct installation
- ✔ Ideal for workshops, performance upgrades, and export
This S63B44B engine provides high reliability and maintains the BMW X5M’s original performance, making it highly sought after for overhaul replacements in the global market.

















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