This electrical wiring diagram applies for 1986 BMW 528e/535i series. This manual is intended to show electrical schematics in a manner that makes electrical troubleshooting easier. In this manual you will be guided on how to pinpoint the electrical problem of 1986 BMW 528e/535i models.
The manual is divided into 6 sections. In section 1 you will get brief explanation on how to use the manual, wire size conversion chart and wire insulation. All wiring between components is shown exactly as it exists in the vehicle. However it is not drawn to scale.
Section two contains symbol used throughout the manual, here you will find complete illustration of the symbol such as component with screw terminals, solid state, connector attached to component, etc.
Section three contains description on how to perform systematic troubleshooting; this guideline includes troubleshooting procedure which is verify the problem, analyze the problem, isolate the problem, repair the problem, check the problem, troubleshooting tools and troubleshooting tests.
Section four explains the detail electrical schematic diagram of 528e models while section five for 535i model. The discussion here in includes topics on diagnostic connector, power distribution box, fuse data, component location chart, component views and splice location views.
Download the 1986 BMW 528e/535i Electrical Wiring Diagram here (241 pages of pdf filetype documents)