This manual covers the BMW D35 D50 Marine Engines. These diesel marine engines are engineered for reliability and performance, embodying BMW's commitment to quality in marine applications. While specific production years are not detailed, this factory service repair manual is designed to provide comprehensive information for all styles of these engines. This factory service repair manual in English provides detailed guidance for owners, mechanics, and technicians. It covers essential areas including engine identification, general precautions, maintenance checklists, fuel system, cooling system, electrical system, and advanced troubleshooting. With step-by-step instructions, detailed illustrations, diagrams, and specific torque values, this manual ensures proper maintenance and repair of your BMW D35 D50 Marine Engines.