BMW E36 Fuse Box / Relay Layout | BMW E36 Blog fuse box cover. Have fun! BMW E36 Blog: The ultimate E36 information source. Join the BMW E36 Forum: There are currently 30 responses to “BMW E36 Fuse Box / Relay Layout” I need the layout and color of the relays on a 1998 BMW Z3 roadster. High speed fan works, low speed doesn’t when wires for switch are shorted.