Written for BMW dealership mechanics, this factory-published original preliminary wiring diagram shows you how to follow the wiring from bumper-to-bumper. This was written early in the model year. 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. Buy now for this original BMW book.
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