Premium OEM Spark Plug for Ultimate Engine Performance
High-quality copper-core electrode ensures superior conductivity and ignition efficiency, delivering consistent power output. Precision-engineered ceramic insulator withstands extreme temperatures up to 1,500°F (815°C), preventing misfires.
Perfect Fit & Reliable Compatibility
Direct OEM replacement (12120037607) for BMW 540i, M5, X5, Audi A4/A6/A8, and Z8 Roadster. Seamless integration with factory engine systems, maintaining optimal fuel economy and emission standards.
Durable Construction for Longevity
Corrosion-resistant nickel-plated shell and triple-gasket sealing prevent leaks, extending lifespan under harsh driving conditions. Ideal for city commutes, highway cruising, and performance tuning.
Global Wholesale Advantage
Exclusive bulk pricing for dealerships, repair shops, and DIY enthusiasts. Trusted by professional mechanics for unmatched affordability without compromising OEM specifications.
Hassle-Free Installation
Pre-gapped design and standardized thread pitch (FGR7DQP) ensure quick, tool-free swaps. Elevate your vehicle’s acceleration and cold-start reliability instantly.