High-performance iridium platinum spark plug designed for BMW engines, ensuring superior ignition efficiency and fuel economy. Precision-engineered with a fine-wire center electrode and laser-welded platinum tip for extended durability and consistent performance. Features an advanced SILZKGR8B8S design for optimal heat dissipation and combustion stability. Ideal for high-demand driving conditions, including city commutes and highway cruising. Backed by MASUMA’s professional supplier quality, offering unmatched reliability and longevity. Perfect for BMW owners seeking OEM-grade replacement parts with enhanced durability.