This workshop service repair manual provides comprehensive guidance for the BMW N74 Engine, an internal combustion engine designed for automotive applications. The N74 engine is known for its engineering quality and reliability, offering robust performance for demanding use. This manual covers essential aspects of its operation and maintenance, ensuring that owners and technicians can effectively manage and preserve the engine's capabilities. The purpose of this manual is to serve as a definitive resource for the repair and service of the BMW N74 Engine. It details a wide range of procedures, including engine overhaul and rebuilding, timing belt service, and factory maintenance schedules. Troubleshooting and diagnostic information, including trouble codes and computer diagnostic charts, are thoroughly explained. Additionally, the manual includes complete torque specifications, wiring diagrams, and hundreds of illustrations and diagrams to facilitate accurate and efficient repairs.