This workshop service repair manual covers BMW Marine B190 and B220 gasoline engines, designed for marine propulsion. These internal combustion engines are engineered for reliable performance in demanding marine environments. This manual provides comprehensive coverage for all models, engine types, and transmission configurations, ensuring you have the information needed to maintain and operate your BMW Marine propulsion system effectively. The purpose of this English-language manual is to provide detailed, step-by-step instructions with accompanying visuals for all repair and service procedures. It is structured to facilitate DIY repairs and empower owners, mechanics, and technicians with the knowledge required for thorough maintenance and troubleshooting. The manual covers everything from routine servicing to in-depth repairs, ensuring your engine remains in optimal condition.