The spark plug is made of nickel alloy and offers excellent performance, including high temperature resistance, durability, and resistance to oxidation, meeting the specifications required by 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. Each unit undergoes rigorous testing before leaving the factory to ensure reliable performance and a precise fit. The spark plug is easy to install and replace, allowing for quick maintenance without excessive time or effort. Designed for long service life and high safety, it enhances engine efficiency and supports dependable driving performance. 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 color variations between the image and the actual product. Measurement may vary by +/- 1-3 cm.