Dinan Iridium Pro Spark Plug D640-0002 - Select BMW N & S Series Models - N20 N54 N55 N63/TU S55 and S63/TU - 12x26.5x14mm - Heat Range 9 - Direct Replacement for OEM Stock Parts - 1 pack
BUILT FOR PERFORMANCE: Dinan Iridium Pro Spark Plugs are made from high-grade materials, engineered to enhance ignition and combustion, and provide smooth, consistent engine power for daily drivers, dedicated BMW racing enthusiasts, and everyone in between.
A DIRECT-FIT UPGRADE: Upgrade your OEM spark plug on stock vehicles and on tuned engines with higher boost or upgraded power components, Dinan spark plugs are engineered to manage increased demands. Direct replacement for stock OEM parts 12120039664, 12120038896 & 12120038704.
IRIDIUM BENEFITS: One of the strongest materials used for spark plugs, Iridium is used to withstand high temps, is less corrosive, requires less voltage to product a strong spark, and helps deliver reliable power.
HIGH-TEMP DURABILITY (HEAT RANGE 9): Featuring a copper core construction paired with an iridium electrode, Dinan's high heat dispersal “cold plugs” regulate combustion temperatures. This means consistent performance, even under extreme conditions.
COMPATIBILITY: BMW N- and S- Series engines N20, S55, N63/N63TU, & S63/S63TU. Note, the D640-0002 is compatible with built N54 & N55 engines, but is not recommended as a replacement on stock N54 or N55 engines, as the coils will not reach the temperature needed to keep themselves clean.
MORE POWER WITH DINAN: Pair Dinan spark plugs with Dinan ignition coils for maximized performance. D640-0002 works with Ignition Coil Part Numbers D650-0002/3/4 and D650-0005/6/7.
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