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FREE SHIPPING! These NGK Laser Iridium replacement plugs are factory standard in BMW N20 & S55 motors. They are 2 steps colder than stock N54 plugs and suggested for higher boost E85, water/meth injection, and/or upgraded turbocharger applications across all late model turbo BMW models. We suggest setting the gap down to 0.020". These plugs are suggested for most turbo BMW motors including the N20, N54, N55, S55, N63, N63TU, S63, and S63TU applications. Beware of counterfeit NGK plugs being sold for $5-10 each on eBay and Amazon. They do not offer the same performance, lifespan, and knock resistance. NGK plugs from Norcal Dynamics are guaranteed authentic. Features & Benefits Often specified as original equipment, NGK Laser Iridium spark plugs are the best combination of performance and longevity. Fine wire Iridium center electrode Platinum pad at ground electrode for even wear in DIS ignition systems Engineered for specific vehicle applications Iridium tip is six (6) times harder than platinum Product Details Part Number: 97506 2step Drive Size: 14mm Double Hex Gap - Factory Preset: 0.7 mm = 0.028 in
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$159.99