Car wiring diagrams: Bmw Tail Light Circuit Board, wiring diagram, wire wiring harness, schematic circuit diagram, wiring diagran, wireing diagram, wirring diagram, wiring daigram, wiring diagrams. BMW E exterior bulbs are monitored by the Light Switch Center LSZ , which also controls instrument panel dimming. LSZ is also capable of switching lighting . tail light assembly diagram E Quotes to live by guessing gets expensive drivinfaster nothing is more expensive than a cheap BMW .People, bmw i, rear tail light has some "rows" of led lights that dont flash when I turn the turn signal lever on. The light shows a row of .