Glow Plug Glow plug heating the combustion chamber to improve cold starting in diesel engines NPS "DG-613" - Not availableBMW - 3 (E91, E92, F30), 5 (E39, F10, F90), 1, 4 (F32, F33, F82), X1; TOYOTA - Avensis, Auris; ALPINA - D5, D3