<div data-store-description="v1"> <p>Iridium Spark Plugs SILZKBR8D8S (Set of 4) for BMW 12120039664. Supplied product details follow.</p> <h3>Specifications and fitment</h3> </div> <p>Includes: - Set of 4 Iridium Spark Plugs SILZKBR8D8S (97506)</p> <p>Fits Models: - BMW 1 Series, 3 Series, 5 Series, X1, X3, X5</p> <p>Model Years: - 2006–2020</p> <p>Submodels: - Common trims include 116i, 118i, 120i, 320i, 328i, 330i, 520i, X1 sDrive20i, X3 xDrive30i, X5 xDrive35i</p> <p>Engine Options: - Common engine sizes include 1.6L I4, 2.0L I4, 2.5L I6, 3.0L I6, N43, N45, N52, N54, N55</p> <p>Description: This set of 4 Iridium Spark Plugs SILZKBR8D8S (97506) is designed to enhance engine performance and efficiency in compatible BMW models. Iridium construction ensures longevity and improved ignition, providing a reliable spark for optimal combustion.</p> <p>Features: - High-quality iridium construction for durability - Improved fuel efficiency and performance - Designed for a precise fit in select BMW models - Enhanced ignition reliability for smoother engine operation - OEM part number 12120039664 for guaranteed compatibility</p>