This workshop service manual provides comprehensive repair and maintenance information for the Deutz BF4M 1012 Engine. It is designed to offer detailed instructions, specifications, and procedures necessary for servicing this engine model. The manual emphasizes the importance of following correct repair methods and using specified tools to ensure the reliability and longevity of the engine, aiming to help users achieve satisfactory after-service results. The scope of this manual covers essential areas including technical data, diagnostic procedures, testing, adjustments, removal and installation of components, disassembly, and assembly. It is intended for mechanics and DIY enthusiasts alike, offering clear, step-by-step explanations supported by illustrations, diagrams, and important notes. By adhering to the guidelines and specifications within this manual, users can effectively maintain, troubleshoot, and repair their Deutz BF4M 1012 Engine, ensuring safe and optimal operation.