Written for BMW dealership mechanics, this factory-published original wiring diagram shows you how to follow the wiring from bumper-to-bumper. It will help you understand connector configurations, and locate and identify circuits, relays, and grounds. You will not find these wiring diagrams in the factory shop manual. Wiring diagrams are black and white, but they frequently have color codes printed on each line of the diagram that represents a wire. BMW split the diagnostic instructions and the schematics into two separate books for this year and model. This book has the schematics. See our other listings for the diagnostic instructions for your car titled "Electrical Diagnostic Manual". This manual covers US and Canadian BMW 735i and 750iL models produced Sept-1987 through Aug-1988. Buy now for the best electrical information available.
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