This workshop service manual provides comprehensive guidance for the BF4M 1012 Engine. Engineered for reliability and performance, the BF4M 1012 is designed to meet demanding operational requirements. This manual is intended to assist users in understanding the intricacies of this engine, ensuring its optimal function and longevity through proper care and maintenance. This manual serves as an essential resource for maintaining and repairing the BF4M 1012 Engine. It covers a wide array of topics, including routine maintenance, detailed diagnostic procedures, troubleshooting common issues, and step-by-step repair instructions for various engine systems. Special attention is given to specific procedures and the use of specialized tools, empowering both owners and professional technicians to achieve high-quality service and effective repairs.