you need to disconnect all power(54-pin) and MOST cable from MULF, then connect only 54-pin and see if mulf emits red light from MOST socket
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E81 2007 130i 6cylinder Montego blue
Retrofits: Harman Kardon, High-beam assistant, Removable tow hitch. Auto-dim folding exterior mirrors. Lumbar support. Perfomance Brakes.
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