High-Performance Spark Plugs for BMW Models
Premium iridium core ensures superior conductivity and extended lifespan, providing consistent ignition under high-pressure conditions. Precision-crafted ceramic insulator minimizes electrical leakage, enhancing fuel efficiency and engine power. Specially designed for BMW X1, X3, X5, X6, Z4, 125i, 320Li, and 328iX, delivering smooth acceleration and reduced emissions. Advanced laser-welded electrodes resist corrosion, maintaining optimal performance in extreme temperatures. Direct OEM replacement (WRR 12120037663, 12120039664, 12120037582, 12120037244) with exact fit—no modifications required. Ideal for daily commutes, long-distance travel, and performance tuning. Bulk purchase available at unbeatable wholesale pricing—order in volume and save. Trusted by global automotive suppliers for reliability and cost-efficiency.