4 X Mini OEM Engine Ignition Spark Plug High Power R55 R56 R57 Cooper Cooper Cooper 4 X Mini OEM Engine Ignition Spark Plug High Power R55 R56 R57 Cooper Cooper Coo BERU 12ZR6SP03 This part is used in IGNITION SYSTEM -- Manufacturer Warranty: 24000 miles or 2 years Please see Product Description below for vehicle compatibility