S55B30A Engine for BMW F80 M3 F82 M4 F87 LCI M2 S55 assembly Engine 431HP BMW M-power Engine

BMW S55 Twin Turbo Engine Designed For M Performance Excellence

The BMW S55 engine represents the next generation of BMW M Power engineering, combining advanced turbocharging technology with motorsport-inspired design. Developed specifically for the F80 M3 and F82/F83 M4, this 3.0L twin-turbo inline-six engine delivers exceptional acceleration, precise throttle response, and impressive tuning potential.

Our used BMW S55 engine assemblies are sourced from genuine OEM vehicles and carefully inspected before export, providing BMW specialists, performance workshops, and enthusiasts with a reliable replacement solution.

Precision Engineering With Motorsport DNA

Unlike standard BMW six-cylinder engines, the S55 features a closed-deck aluminum block, forged crankshaft, forged connecting rods, and a reinforced cooling system designed to handle high-performance driving conditions.

The combination of TwinPower Turbo technology and BMW M engineering allows the S55 to deliver strong torque throughout the RPM range while maintaining excellent drivability for street and track applications.

Key Performance Advantages Of The BMW S55

• 3.0L twin-turbocharged inline-six configuration
• Closed-deck aluminum engine block
• Forged crankshaft and reinforced internal components
• High tuning potential for performance applications
• Factory BMW M Power engineering

OEM Replacement Solution For BMW M3 And M4 Models

Choosing a genuine used BMW S55 engine helps maintain factory specifications, original engineering standards, and proper vehicle compatibility. Compared with rebuilt engines using mixed aftermarket components, an OEM engine provides a more predictable solution for performance repairs and restoration projects.

Explore more BMW replacement engines through our BMW Engine Catalog .

Professional Performance-Level Inspection Before Shipment

Every BMW S55 engine assembly undergoes a detailed inspection process before international delivery. We verify engine identification, inspect major components, check oil leakage conditions, and confirm overall completeness.

Inspection Process Includes

• Engine code verification
• Turbocharger condition inspection
• Oil leakage inspection
• Cylinder head and block inspection
• Component completeness verification
• Export packaging preparation

Reliable BMW S55 Engine Supply For Global Performance Buyers

Whether you are repairing an F80 M3, restoring an F82 M4, or supplying engines for performance vehicles, our used BMW S55 engine provides an OEM-quality replacement backed by professional inspection and worldwide shipping support.