The following electrical system and wiring diagram applies for BMW 318i 1985 model year. In this manual you will find brief description, illustration and explanation about the electrical schematics, wiring system and troubleshooting manual for the BMW 318i. The aim of this manual is to show the electrical system and schematics in a manner that makes electrical troubleshooting easier. All wiring and harness between components is shown exactly as it exists in the vehicle. To aid in understanding of electrical operation, wiring inside complicated components has been simplified.
Content of the manual: How to use this manual, Wiring Symbols, Systematic Troubleshooting, 318i Schematics Diagram, Component Location and Connector Views.