
Auto Iridium Spark Plug Fix-Zfr5-11 for BMW X1 N46 2.0L. Iridium Center Electrode: Center electrode made of Iridium for superior durability and performance. Extended Service Life: Designed life up to 80,000 km with best economic life of 60,000 km. Improved Acceleration: 0.5mm center electrode reduces acceleration time by 0.7 to 1 second. Enhanced Fuel Economy: Laser welding and point-to-point patterns improve ignitability and fuel efficiency. Easy Engine Starting: Powerful ignitability ensures easy starting even in thin air or adverse environments. Platinum Ground Electrode: Ground electrode features a platinum tip for excellent thermal conductivity. Laser Welding Technology: All-round laser welding ensures stability and high melting point resistance. Comprehensive Warranty: Covers 50,000 kilometers for mechanical defects and quality issues.