Genuine BMW M2/M3/M4 S55 NGK 97506 Spark Plug – 2 Step Colder (12120039634) – Set of 6

Rated 4.80 out of 5 based on 10 customer ratings
(10 customer reviews)

$199.99

Upgrade your BMW M2, M3, or M4 with genuine NGK 97506 Laser Iridium Spark Plugs, specifically engineered for S55 engines. These plugs are 2 step colder than stock, ideal for high-boost, E85, or water/meth injection setups. Designed for performance and longevity, they feature an Iridium center electrode for optimal knock resistance and durability. Beware of counterfeit plugs, choose genuine quality.

Overview

Enhance your BMW M2, M3, or M4’s performance with genuine NGK 97506 Laser Iridium Spark Plugs, designed for the S55 engine. These 2-step colder plugs offer superior performance for high-boost, E85, water/meth injection, and upgraded turbocharger applications. With a fine wire Iridium center electrode and platinum ground pad, these plugs provide consistent performance, extended lifespan, and knock resistance under extreme conditions.

Key Features

  • Engineered for BMW S55 engines: Ideal for M2, M3, and M4 models.
  • 2 Step Colder Design: Optimized for high-performance setups like E85 and turbo upgrades.
  • Unmatched Durability: Iridium tip is 6x harder than platinum for superior wear resistance.
  • Precision Engineering: Factory preset gap at 0.7mm for plug-and-play convenience.

Why Choose This Product

With their exceptional durability and knock resistance, these spark plugs are the premier choice for turbo BMW enthusiasts seeking to push their vehicles to the limit. Avoid counterfeit risks and guarantee your engine’s optimum performance.

Specifications

  • Part Number: 97506 2step
  • Drive Size: 14mm Double Hex
  • Factory Preset Gap: 0.028 in

Ships to Canada with tracking.

Brand

NGK

MPN

12120039634, 97506

10 reviews for Genuine BMW M2/M3/M4 S55 NGK 97506 Spark Plug – 2 Step Colder (12120039634) – Set of 6

  1. Rated 4 out of 5

    Stuart P.

    Correct spec plugs for the M3. Fitment is easy and the engine runs very cleanly.

  2. Rated 4 out of 5

    Kevin T.

    Good quality NGK plugs. Correct spec for the S55 and easy to fit. Engine feels smoother.

  3. Rated 5 out of 5

    Craig M.

    NGK 97506 plugs made a real difference in my S55. Throttle response is noticeably sharper.

  4. Rated 5 out of 5

    Gavin R.

    Perfect OEM spec NGK plugs. Exactly the right heat range for my S55. No hesitation, great response.

  5. Rated 5 out of 5

    Ewan M.

    Excellent plugs. Matched the OEM spec exactly. Very noticeable improvement in throttle response.

  6. Rated 5 out of 5

    Mark B.

    Genuine NGK plugs at a great price. Fitted to my F80 M3 and the idle is much smoother.

  7. Rated 5 out of 5

    Sam H.

    Exactly as spec for the M3/M4 S55. Cold plug worked great for track use. Fast delivery, well packaged.

  8. Rated 5 out of 5

    Gary L.

    These are the right plugs for the S55. Better performance on track. Will buy again.

  9. Rated 5 out of 5

    Scott H.

    These are the correct cold plugs for track use on the M3/M4. Fit perfectly and engine runs great.

  10. Rated 5 out of 5

    Max R.

    These NGK plugs made a noticeable difference in throttle response on my S55. OEM spec, easy drop-in replacement.

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