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Asign 97506 Iridium Spark Plugs for BMW 135i 335i 435i 535i 640i 740i X3 X4 X5 X6 3.0L L6

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$139.00 USD
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Brand Model Model Year Engine
BMW 135i 2010-2013 3.0L L6
M235i 2014-2016
M235i xDrive 2015-2016
335i xDrive 2009-2015
335i 2011-2016
335i GT xDrive 2014-2016
ActiveHybrid 3 2013-2015
435i / 435i xDrive 2014-2016
435i Gran Coupe / xDrive 2015-2016
535i / 535i xDrive 2011-2016
535i GT 2010-2017
535i GT xDrive 2011-2016
ActiveHybrid 5 2012-2016
640i 2012-2016
640i Gran Coupe 2013-2016
640i xDrive / Gran Coupe 2014-2016
740i / ActiveHybrid 7 2013-2015
740Li / 740Li xDrive 2013-2014
X3 / X5 / X6 2011-2016
X4 2015-2016


Overview
Optimized for BMW’s powerful 3.0L Inline-6 turbocharged engines, the Asign 97506 Iridium Spark Plugs are the ultimate choice for drivers seeking reliable performance and smooth acceleration. These plugs serve as a premium replacement for OE numbers SILZKBR8D8S and 12120039664. Built with an ultra-fine iridium center electrode, they provide a more focused and powerful spark, which is critical for the high-combustion pressures found in N55 and ActiveHybrid powerplants. Upgrade to Asign to ensure your BMW maintains its legendary driving dynamics and fuel efficiency.

Product Feature:

  • Engineered for 3.0L L6 Engines: Precision-tailored for BMW’s 3.0L straight-six engines, ensuring perfect fitment and heat range for models like the 335i, 535i, and X5.

  • Advanced Iridium Technology: Features an ultra-fine iridium tip for superior ignition sensitivity and faster flame propagation, leading to smoother idling and quicker throttle response.

  • Fuller Combustion Efficiency: Designed to maximize energy output during the ignition jump, reducing fuel consumption and minimizing carbon buildup.

  • High-Strength Ceramic Insulation: Utilizes isostatic ceramics for maximum density and strength, providing exceptional electrical insulation and heat resistance under heavy turbo loads.

  • Specific Fitment Compatibility: Fits a wide range of BMW models including the 135i, 335i, 435i, 535i, 640i, 740i, M235i, and the X-series (X3, X4, X5, X6).

  • Direct OE Replacement: Fully compatible with factory part numbers 97506, SILZKBR8D8S, 12120039664, 12120038896, and 12120038704.

Asign 97506 Iridium Spark Plugs for BMW 135i 335i 435i 535i 640i 740i X3 X4 X5 X6 3.0L L6 Asign 97506 Iridium Spark Plugs for BMW 135i 335i 435i 535i 640i 740i X3 X4 X5 X6 3.0L L6 Asign 97506 Iridium Spark Plugs for BMW 135i 335i 435i 535i 640i 740i X3 X4 X5 X6 3.0L L6 Asign 97506 Iridium Spark Plugs for BMW 135i 335i 435i 535i 640i 740i X3 X4 X5 X6 3.0L L6 Asign 97506 Iridium Spark Plugs for BMW 135i 335i 435i 535i 640i 740i X3 X4 X5 X6 3.0L L6 Asign 97506 Iridium Spark Plugs for BMW 135i 335i 435i 535i 640i 740i X3 X4 X5 X6 3.0L L6
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Frequently Asked Questions
What makes Asign different from other brands?
Asign stands out by offering meticulously designed carbon fiber kits that fit seamlessly with a variety of vehicle models. Our commitment to precision, use of high-quality materials, and focus on ease of installation set us apart in the market.
Why should I choose Asign's carbon fiber kits?

A1: Precision Design & Fit

Our design process strictly follows original vehicle specifications to ensure a perfect fit for your car. We approach each product with exceptional care and attention to detail.

A2: High-Quality Materials & Manufacturing
Asign uses the highest precision steel molds for production, reducing errors and maximizing accuracy. We employ pre-impregnated carbon fiber for all our products, making them genuine and lightweight, yet as strong as steel.

A3: Easy Installation & Non-Destructive Removal
Most of our carbon fiber kits can be installed in under 10 minutes (excluding special items like Front Splitters, Rear Diffusers, and Exhaust Tips). Designed for quick installation and removal without damaging your car's surface, our products offer both convenience and flexibility.

How does Asign ensure product quality?
Asign upholds strict quality control standards throughout the production process. We use premium materials and advanced manufacturing techniques, followed by comprehensive testing to ensure every product meets our high standards for performance and durability.
What if I have a quality issue with my product?
If you encounter any quality issues with your Asign product, please contact our customer service team right away. We will promptly address your concerns and offer solutions, including replacements or refunds, as appropriate.
How can I make sure the product I order fits my vehicle?
Before placing an order, carefully check your vehicle's specifications and refer to the product description for compatibility information. If you have any questions or concerns, our customer service team is always available to provide personalized advice and guidance.
What is Asign's return policy?
Our return policy varies depending on the specific product and the reason for the return. Please refer to our website or contact our customer service team for detailed information on our return and exchange procedures.