Vehicle electrical equipment BMW 5 Series E12

This section is dedicated to the design and repair of the electrical system of the BMW 5 Series E12 (1972-1981). It covers equipment, instruments, and electrical circuits. Specifications for the battery, generator, starter, bulbs, and fuses are provided. The section describes the removal and installation of the generator and starter, replacement of the traction relay, disassembly, and assembly. Electrical circuit diagrams for various models and years of production are provided. This material is intended for auto electricians and owners. It will help you identify and troubleshoot faults in the on-board electrical system. Use the diagrams for accurate diagnostics.