Genuine BMW & MINI Spark Plug G Series B38 B48 B58 TU - 12122455258

For Gen.2 B58 engines as found in the G20 M340i, 540i and X3M.

* This High Power TU Spark Plug can also be used on Gen. 1 B58 engine found on M140i, M240i, 340i & 440i. It is the recommended plug for those with a stage 2 tune or an upgraded turbo setup.

*For compatibility enquiries, please contact us with your vehicle registration.*