High-Performance Platinum Iridium Spark Plugs for BMW X3/X5/Z4
Precision-engineered with premium platinum iridium alloy for superior conductivity and extended lifespan. Laser-welded center electrode ensures consistent ignition, reducing misfires and improving fuel efficiency. Advanced ceramic insulator withstands extreme temperatures (up to 1,500°C), preventing voltage leakage. Multi-ground electrode design enhances combustion stability for smoother acceleration. Direct OEM replacement (12122158252), rigorously tested to meet BMW’s strict specifications. Ideal for high-performance engines, city commuting, and long-distance driving. Exclusive bulk pricing—wholesale rates for global suppliers. Stock up on durable, high-quality auto parts without compromising your budget.