BMW F80 M3 S55B30A 3.0L Engine for Sale

BMW F80 M3 S55B30A 3.0L Engine for Sale.

High-Performance Twin-Turbo Power for Enthusiasts

BMW F80 M3 S55B30A 3.0L Engine is a good Upgrade or restore your high-performance BMW with the F83 M4 Convertible too. A precision-engineered twin-turbo inline-six built for speed, responsiveness, and track-ready reliability. Developed by BMW’s M Division, the S55B30A engine is widely praised for its explosive power delivery, lightweight design, and exceptional tuning potential, making it one of the most sought-after performance engines on the market. Whether you need a direct replacement or are planning a performance build, this unit offers exceptional value and long-term durability.

The S55B30A is a 3.0-liter inline-six, twin-turbocharged premium unleaded gasoline engine that delivers impressive factory performance. In the standard BMW F80 M3, it produces 425 hp (317 kW) and 406 lb-ft (550 Nm) of torque, with even higher outputs in Competition, CS, and GTS variants. It features a closed-deck aluminum block, forged crankshaft, and direct injection, ensuring strength and efficiency even under intense driving conditions. BMW’s VALVETRONIC and Double-VANOS variable valve timing systems provide smooth throttle response and improved fuel economy, while the dual water-to-air intercooler setup keeps charge temperatures low for consistent power delivery. Its electronically controlled wastegates and lightweight rotating assembly further enhance performance and reliability.

This BMW F80 M3 S55 3.0L Engine is designed specifically for the BMW F80 M3 (2014–2018) but is also found across the M3’s sibling platforms, including the F82 M4 Coupe and F83 M4 Convertible. It can also be used in compatible M2 Competition retrofit projects with proper ECU and component matching. Whether replacing a damaged engine or upgrading a performance build, the S55 provides a versatile and powerful solution for multiple BMW M models.

Common Weaknesses & Maintenance Notes.

Like any high-performance engine, the S55 has a few known weaknesses that owners should monitor. One of the most reported issues is crank hub slippage, which can cause timing misalignment if not addressed. Many owners opt for a crank hub capture or pinned solution to prevent this. Another area requiring attention is the charge cooler and cooling system, as aggressive driving and high boost can increase heat-soak; regular coolant flushes and intercooler inspections help maintain optimal performance.

Valve cover gaskets, ignition coils, and spark plugs can wear faster due to the engine’s high output and turbocharging, so timely replacement is essential. Routine oil changes with high-quality synthetic oil, along with regular inspection of turbo oil lines, boost hoses, and PCV components, will significantly improve longevity.

With proper care, the S55B30A remains one of BMW’s most reliable high-performance engines—delivering exceptional power, responsiveness, and long-term durability for enthusiasts and daily drivers alike.

Each BMW F80 M3 S55B30A 3.0L Engine is inspected, compression-tested, and imported directly to our warehouse, guaranteeing high quality and long-term reliability.