1. The wiring diagrams below apply to E46 BMW 3 Series vehicles only.
2. At the time of writing this manual, BMW did not provide any other wiring diagrams.
3. Despite this, the following diagrams allow you to determine the fault in the electrical wiring, check the supply voltage and grounding using a multimeter. The basic methods for troubleshooting are given in paragraph 2 of this chapter.
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Electrical diagrams — basic information (BMW 3 Series E46)
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