Premium Iridium Spark Plug for BMW Performance Models

Engineered with high-grade iridium alloy for ultra-precise ignition and extended durability, reducing misfires and improving fuel efficiency. Laser-welded fine-wire center electrode ensures consistent performance under extreme temperatures.

Direct-fit replacement for BMW F20, F21, F45, F46, X3, X4, and 2/3/5-Series (230i, 320i, 340i, etc.). OEM-compatible with part numbers 12120040551 and 12120041666.

Optimized for high-performance driving, city commuting, and turbocharged engines. Manufactured with anti-corrosion nickel plating and triple gasket sealing for leak-proof installation.

Global wholesale pricing with bulk discounts available. Ships factory-sealed in OEM packaging with exact specifications.