Premium Spark Plug – Ultimate Performance & Precision Fit for BMW
High-quality iridium core ensures superior conductivity and extended lifespan, reducing misfires and enhancing engine efficiency. Precision-engineered ceramic insulator withstands extreme temperatures (up to 1,500°C) for reliable performance in high-speed driving and stop-and-go traffic. Direct OEM replacement (12120040551, 12120037607, 12120037663, 12122455258, 12120047375, 1212008896), guaranteeing perfect fit and seamless installation. Corrosion-resistant nickel-plated shell prevents oxidation, ideal for humid climates and long-term durability. Optimized electrode gap delivers consistent ignition, improving fuel economy and lowering emissions. Trusted by global wholesalers – bulk discounts available, factory-direct pricing with no middlemen.