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BMW & Mini Specialist | Since 1983

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Home / Car Parts / Service Parts / Spark Plugs

Browse Affordable Quality Car Spark Plugs

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Popular Types of NGK Spark Plugs

  1. NGK Iridium IX – Known for superior longevity, improved throttle response, and better fuel efficiency.
  2. NGK Laser Iridium – Provides enhanced ignitability and long-lasting performance, commonly used in modern vehicles.
  3. NGK G-Power Platinum – An affordable option with platinum tips, ensuring better fuel efficiency and consistent performance.
  4. NGK V-Power – Designed for excellent ignitability and anti-fouling characteristics, ideal for standard vehicles.
  5. NGK Standard Copper – Cost-effective with solid performance, commonly used in older vehicles and motorcycles.
  6. NGK Racing Spark Plugs – Designed for high-performance and racing applications, providing extreme durability under demanding conditions.

Why NGK is a Market Leader

NGK has built a strong reputation for several reasons:

  • Advanced Technology – NGK continuously innovates with high-quality materials like iridium and platinum.
  • Wide Compatibility – Their spark plugs fit a large range of vehicles, from motorcycles to high-performance sports cars.
  • Reliability & Durability – NGK spark plugs are known for their longevity and consistent performance.
  • Superior Engineering – Each spark plug is designed with precision, offering optimised combustion, better fuel economy, and reduced emissions.
  • Racing Heritage – Used in motorsports, including Formula 1 and MotoGP.

When to Change Your Spark Plugs

Spark plugs don’t last forever, here are some common signs indicating it's time for a change:

  • Rough Idling or Misfires – If your engine stutters or idles roughly, worn-out spark plugs may be the culprit.
  • Reduced Fuel Efficiency – A sudden drop in mileage often signals inefficient combustion caused by old spark plugs.
  • Difficulty Starting the Engine – Faulty spark plugs can make starting your car harder than usual.
  • Poor Acceleration & Performance – A sluggish response when pressing the accelerator could mean the plugs are no longer igniting fuel properly.
  • Check If Engine Light On – Many modern vehicles will trigger a warning light when the spark plugs need attention.

Steps to Replace Spark Plugs

Replacing spark plugs is a straightforward process that can improve your vehicle’s performance. Here’s how to do it:

  1. Required Tools – You'll need new NGK spark plugs, a ratchet wrench with a spark plug socket, a gap gauge, dielectric grease, and an anti-seize compound (if recommended).
  2. Locate the Spark Plugs – Refer to your vehicle’s manual to find the spark plug locations.
  3. Disconnect the Ignition Coils/Wires – Carefully remove the ignition coil or spark plug wires without damaging them.
  4. Remove the Old Spark Plugs – Use the ratchet wrench with a spark plug socket to unscrew and remove each old plug.
  5. Check the Spark Plug Gap – Use a gap gauge to ensure the new NGK plugs have the correct gap as per manufacturer specifications.
  6. Install the New Spark Plugs – Thread the new plugs in by hand first to avoid cross-threading, then tighten them with the wrench (avoid over-tightening).
  7. Reconnect Ignition Coils/Wires – Securely reattach them to the new spark plugs.
  8. Start the Engine & Test – Turn on the vehicle to ensure smooth operation with no misfires.

Additional Important Spark Plug Information

  • Heat Range Matters – NGK spark plugs come in different heat ranges; using the correct one prevents overheating or fouling.
  • Regular Maintenance is Key – Even long-lasting iridium plugs should be checked periodically for wear.
  • Torque Specifications Are Crucial – Over-tightening can damage the cylinder head, while under-tightening can cause misfires.
  • Use Quality Fuel – Poor fuel quality can lead to faster spark plug wear and carbon buildup.
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