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BMW 525i Spark Plug Wires and Caps

This page brings together spark plug wires and caps for the BMW 525i, covering model years 1981–2007. The range includes OE replacement and performance-style options across tip styles and fitment configurations. Select your year above and we'll show only the spark plug wires and caps that fit your BMW 525i. Fitment is checked against our vehicle data for every part listed.

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Best Seller
Picture of NGK 94122 Ruthenium HX Spark Plug Representative Photo, actual item may vary

NGK 94122 Ruthenium HX Spark Plug

73 reviews
Part: 94122
Vehicle Specific
$10.51
In Stock (10+)
Picture for manufacturer NGK Spark Plugs

What's here for your BMW 525i

  • Spark plugs in OE replacement styles
  • Performance-tip spark plug designs
  • Spark plug caps and wire sets

The widest selection here comes from DENSO, Autolite, NGK Spark Plugs, and Champion, each offering a range of fitment-specific secondary ignition components for the BMW 525i. Other categories BMW 525i owners shop for: BMW 525i Springs and Suspension Parts, BMW 525i Exterior Lights and BMW 525i Brake Rotors and Drums, or browse all BMW 525i parts and accessories.