This service and repair workshop manual is for the Deutz BFM 1012 Engine. It provides comprehensive instructions for mechanics worldwide, covering all major topics with step-by-step guidance, diagrams, illustrations, wiring schematics, and specifications for repair and troubleshooting. The manual is designed to assist owners with basic mechanical skills and independent service professionals, offering the same information used by authorized dealer service departments. The scope of this manual encompasses detailed procedures for engine identification, general precautions, maintenance checklists, and specific maintenance tasks. It also includes information on special tools, engine body, fuel system, troubleshooting, servicing specifications, tightening torques, disassembly and servicing, cooling system, fuel filter, and electrical systems such as the alternator and regulator. This resource aims to empower users to perform maintenance and repairs effectively, saving time and expense.