The spark plug is made of nickel alloy and offers excellent performance, including high temperature resistance, durability, and resistance to oxidation, meeting the specifications for Manufacturer Part Number 12120037607. This product is compatible with 3 Series, 5 Series, and 7 Series models E46, E60, E53, and E66 as a replacement spark plug accessory. Each unit undergoes rigorous testing before leaving the factory to ensure reliable performance and proper fitment. The spark plug is designed for easy installation and replacement, allowing for quick service without excessive time or effort. It features a long service life and high reliability, enhancing the safety and efficiency of your vehicle. Color: As Shown Material: Nickel alloy Package Contents: 6 x Car spark plugs Note: The package includes only the items listed above. Other accessories are not included. Note: Lighting effects and monitor settings may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.