The product is a set of 3 high power genuine spark plugs designed to fit various BMW models, including the 1, 2, 3, 4, 5, 6, 7, and 8 series, as well as the X1, X3, X4, and X5 models. These spark plugs have a voltage of 12V and are manufactured by a BMW-approved supplier in Germany. The interchange part number is 2455258, and the reference OE/OEM number is 12122455258. These spark plugs are suitable for petrol-engine vehicles and are not considered a performance part.