NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Most Laser Iridium spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems. NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Actual OE or equivalent replacement spark plug. BMW 550I 2010-06, 650I 2010-06, 750I 2008-06, 750LI 2008-06, X5 2010-04

Pure alumina silicate ceramic insulator provides superior strength and better heat transfer
Trivalent metal plating for superior anti-corrosion and anti-seizing properties
RECOMMENDED USAGE: Best for vehicles with OE fine wire iridium alloy plugs
Copper core aids in heat removal
Triple seals prevent leakage

Experience superior ignition performance with the NGK Laser Iridium Spark Plug, part number 4294, designed specifically for BMW models including the 550i, 650i, 750i, and X5 from 2006 to 2010. These spark plugs feature an iridium-tipped center electrode that offers six times the durability of platinum, ensuring a longer lifespan and consistent engine performance. The use of high-grade pure alumina ceramic insulators provides excellent heat transfer and mechanical strength, reducing the risk of overheating during demanding driving conditions. The copper core enhances heat removal, contributing to optimal combustion and efficient engine operation. Each spark plug is sealed with triple seals to prevent leakage and maintain reliable performance over time. The trivalent metal plating on the electrodes offers superior corrosion resistance and anti-seize properties, making installation and maintenance easier while protecting against harsh environmental factors. Ideal for vehicles equipped with OE fine wire iridium alloy plugs, these NGK spark plugs deliver precise ignition, smooth starts, and improved fuel efficiency. Suitable for OEM or equivalent replacement, they are engineered to meet the highest quality standards, ensuring your BMW runs smoothly and reliably. Sold in a box of four, these spark plugs are a perfect choice for routine maintenance or engine upgrades, providing long-lasting performance with consistent spark delivery in distributorless ignition systems.

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