These NGK Laser Iridium replacement plugs are factory standard in BMW N20 & S55 motors. They are two steps colder than stock N54 plugs and suggested for higher boost E85, water/meth injection, and/or upgraded turbocharger applications across all late model turbo BMW models. We suggest setting the gap down to 0.020".
These plugs are compatible with all turbo BMW motors including the N20, N54, N55, S55, N63, n63tu, B38, B48, B58, S63, and s63tu.Features & Benefits
Often specified as original equipment, NGK Laser Iridium spark plugs are the best combination of performance and longevity.
- Fine wire Iridium center electrode
- Platinum pad at ground electrode for even wear in DIS ignition systems
- Engineered for specific vehicle applications
- Iridium tip is six (6) times harder than platinum
Part Number: 97506
Drive Size: 14mm Double Hex
Gap - Factory Preset: 0.7 mm = 0.028 in