NGK Iridium IX Performance Spark Plug - E46 M3, MZ3 S54, Z4M
Designed specifically for the performance enthusiast, NGK Iridium IX plugs offer super-efficient ignition, improved throttle response, and superior anti-fouling.
* Fine Iridium tip ensures longevity.
* Iridium alloy has an extremely high melting point, perfect for today’s high-tech performance engines.
* "Trivalent Metal Plating" provides superior anti-corrosion and anti-seizing properties.
* Outstanding acceleration, fuel efficiency, and durability.