Spark Plug Spark plug igniting the air-fuel mixture in the combustion chamber ESTANFI "EST-IXUH22" - Not availableFIAT - Panda, 500; MERCEDES-BENZ - C-Class, E-Class; CITROËN - DS3, C4; MINI - Cooper, Countryman; BMW - 1, 3; DS - DS 3, DS 4