This comprehensive training manual delves into the intricate workings of the BMW N55 engine. It provides an in-depth overview of the engine's components and systems, encompassing everything from the engine housing and crankshaft to the intricate valvetrain and turbocharger. You'll gain a thorough understanding of the engine's operation, including the role of the VANOS system, Valvetronic III, and the digital motor electronics (DME/ECM). The manual offers detailed explanations of the engine's cooling system, fuel injection system, and vacuum system. Furthermore, it features detailed circuit diagrams for both the engine cooling system and the digital motor electronics, providing a visual representation of the connections and components. You'll also find valuable service information, including instructions and guidance on cylinder head and cylinder head cover removal, fuel injector and ignition coil replacement. This manual serves as an invaluable resource for mechanics, technicians, and anyone seeking a deep understanding of the BMW N55 engine.

The BMW N55 engine is a turbocharged, direct-injected, inline-six gasoline engine produced by BMW from 2009 to 2016. It replaced the naturally aspirated N54 engine and served as the successor to the iconic M54, built for a variety of BMW models including the 3 Series, 5 Series, 6 Series, X3, X5, and Z4. The N55 engine is renowned for its smooth power delivery, impressive fuel economy, and exceptional reliability. It employs a single twin-scroll turbocharger, a variable valve lift system (Valvetronic), and high-pressure direct injection for optimal performance and efficiency. The engine's design allows for both high power output and excellent fuel economy, making it a versatile choice for a wide range of driving styles.

The BMW N55 engine training manual is a comprehensive guide designed for technicians, mechanics, and enthusiasts seeking to understand this powerful and sophisticated engine. This manual provides detailed information on the engine's construction, operation, maintenance, and troubleshooting. It covers various aspects of the engine, including its components, systems, and subsystems, providing in-depth explanations of their functions and interrelationships. The manual also offers a wealth of practical tips and procedures for diagnosing and repairing common issues encountered with the N55 engine. By providing a thorough understanding of the engine's mechanics and workings, the N55 engine training manual empowers technicians and enthusiasts to perform accurate diagnostics, efficient repairs, and preventative maintenance, ensuring optimal performance and longevity of the engine.