Whatever precise is the air-fuel mixture, without an enough strong spark, the combustion process cannot occur perfectly. A good quality and durable spark plug can ensure a complete combustion process, resulting in power and economic fuel consumption. With BHM spark plugs, the engines can efficiently convert the chemical energy of the fuel to the mechanical work. With mostly used spark plug types, BHM spark plugs can fit almost 355 different engines of reputable car makers' vehicles. Spark plugs with moderate heat ranges fit many car models from Audi, Chevrolet, Citroen, Fiat, Ford, Honda, Kia, Mazda, Mercedes-Benz, Nissan, Opel, Peugeot, Renault, Suzuki, and VW.