Premium Spark Plug for BMW E60 E90 E92 E93 135i 335i 535i – Precision Engine Performance
High-quality iridium core ensures superior ignition efficiency and extended durability, reducing misfires for optimal combustion. Precision-engineered ceramic insulator resists extreme heat (up to 1,500°F) and voltage stress, maintaining stable performance under high RPM conditions. Direct OEM replacement (Part No. 12120037244), seamlessly compatible with BMW N54/N55 engines, enhancing throttle response and fuel economy. CNC-machined metal shell with anti-corrosion coating guarantees a perfect seal and long-term resistance to engine oil & coolant exposure. Ideal for performance tuning, daily commuting, or track use—trusted by BMW enthusiasts and professional mechanics. Bulk order discounts available—global wholesale pricing with fast logistics. Upgrade your engine’s reliability today.