WARNING: This page is about a different car, the 2002 BMW Z3, 2002 BMW M Roadster, and 2002 BMW M Coupe. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Power Distribution Circuit, M-Versions (1 of 4)
Fig 2: Power Distribution Circuit, M-Versions (2 of 4)
Fig 3: Power Distribution Circuit, M-Versions (3 of 4)
Fig 4: Power Distribution Circuit, M-Versions (4 of 4)
Fig 5: Power Distribution Circuit, Z3 Versions (1 of 4)
Fig 6: Power Distribution Circuit, Z3 Versions (2 of 4)
Fig 7: Power Distribution Circuit, Z3 Versions (3 of 4)
Fig 8: Power Distribution Circuit, Z3 Versions (4 of 4)