NGK 6637 Ateşleme Sistemi Buji, BMW 1502-2002 (E10), BMW 1502-2002 Cabrio (E10), BMW 1500-2000 (115, 116, 118, 121), BMW 3 (E21), BMW 3 (E30), BMW 5 (E12), BMW 2500-3.3 (E3), BMW 2.5-3.2 Coupe (E9), BMW 1502-2002 Touring (E6), BMW 1600 GT Coupe, BMW 2000 Coupe (120), ALFA ROMEO ALFASUD Sprint (902_), ALFA ROMEO 33 (905_), ALFA ROMEO 33 Sportwagon (905_), ALFA ROMEO 33 (907_), ALFA ROMEO 33 Sportwagon (907_), ALFA ROMEO 75 (162_), ALFA ROMEO 90 (162_), ALFA ROMEO 155 (167_), ALFA ROMEO 164 (164_) modelleri ile uyumludur.
