BMW 12120042724 Laser Iridium plugs standard in N20 and S55 motors. These are 2 heat ranges colder than OEM N54 plugs. We pre-gap them for you at 0.018".
Suggested for most high output modern turbo BMW's including S55, N55, N20, N54, N63, N63TU, S63, S63TU applications. Recommended for Higher boost, E85, water/meth, and upgraded turbo applications.