This 2011-2013 BMW N55 3.0L turbocharged inline-6 engine is a refined and potent powerplant, expertly designed for the E82/E88 135i and E90/E92 335i RWD models. With 117,000 tested miles, this OEM engine represents a significant evolution in BMW’s turbocharging technology, replacing the N54 with a more streamlined and robust single twin-scroll turbocharger. This design delivers immediate throttle response, exceptional torque across the rev range, and improved reliability, all while retaining the thrilling performance that defines these iconic sports cars.
This complete engine assembly is a direct OEM replacement, meticulously tested for compression, leak-down, and overall operational integrity. It includes all essential components for a seamless installation, ensuring your 1 Series or 3 Series returns to its original state of dynamic performance and driving pleasure. The unit is confirmed to be in excellent working order, offering a cost-effective and trustworthy solution for enthusiasts and technicians alike.
Key features include the 3.0L displacement, Valvetronic variable valve lift, Double-VANOS cam phasing, high-precision direct injection, and the first-generation N55 PWG (pneumatic wastegate) design. This engine is the perfect choice for purists seeking to maintain their vehicle’s original character and performance without the high cost of a new motor. Ready for installation, this tested N55 engine promises to restore your BMW’s exhilarating power and reliability.