Product Overview
Asign iridium spark plugs are designed as a direct OE replacement for select BMW inline-6 engines. The fine-wire iridium center electrode supports stable ignition and reliable engine starting under all driving conditions. This [6-piece spark plug set] is precision-engineered to meet the high-performance requirements of your BMW.
Vehicle Fitment (BMW Only)
Specifically compatible with the following BMW models:
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3 Series:
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5 Series:
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525i (2001–2005)
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528i (1997–2000)
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530i (2001–2005)
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M Series: M3 (1996–1999)
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X Series:
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X3 (2004–2006)
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X5 (2001–2006)
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Z Series:
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Z3 (1997–2002)
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Z4 (2003–2005)
Quality Design & Features
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Fine Iridium Center Electrode: The precision iridium electrode helps provide consistent spark generation and reliable ignition for smoother engine performance.
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Copper Core Structure: Features a copper core that significantly improves heat dissipation and supports stable operation under high engine temperatures.
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Nickel-Plated Housing: The nickel-plated shell with rolled threads helps resist corrosion and protects the spark plug during installation and removal.
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High-Strength Ceramic Insulator: Crafted from isostatic ceramic to offer strong heat resistance and dependable electrical insulation, ensuring long-lasting durability.
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OE Level Quality: 100% brand new high-quality auto parts designed for a perfect fit and restored engine efficiency.