BMW Spark Plugs for BMW F90 M5 S63 4.4L

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Spark plugs should be replaced as part of routine maintenance to keep performance and fuel economy at its peak. Turner Motorsports carries Genuine BMW and high performance aftermarket options that will keep your engine burning at top efficiency.

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BMW N63/S63 4.4L NGK Performance One-Step Colder Spark Plug Set - ...

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T#:587466

Part#: 97506S8KT

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$ 146.99 USD

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$ 146.99 USD

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When it comes time to change your spark plugs, you may wonder about colder stepped spark plugs as many others have. Colder spark plugs work by pulling more heat out of the engine's cylinders (making them "colder") and dissipating it into the engine's head, which is then cooled by the cooling system. Depending on how you have your engine built, these could be a great addition! Colder plugs can help prevent engine knock and prevent the tip of the spark plug from melting or misfiring. There are two rules that most people tend to go by when deciding on which spark plugs to buy: The first rule of thumb is that with every 100 horsepower added, you should run spark plugs that are a step colder than your stock plugs. This is generally accepted across the motorsports community but unfortunately isn't always the most accurate measurement of when you will need colder plugs. The second rule is to go a step colder any time you massively alter cylinder temperatures by adding forced induction to an NA engine, by increasing compression ratio, after altering timing in a major way, or by changing fuel types to something with a higher octane rating such as racing fuel. Adding spark plugs that are a step colder outside of these conditions, with no real change to the engine, can actually hurt more than help by leading to spark plugs fouling quicker than normal and by making the car harder to start in cold weather conditions. We suggest talking to your engine builder or tuner before making the change, or you can call our Turner Motorsport sales staff to discuss what modifications have been made to your vehicle and see if these plugs are right for you!

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BMW Spark Plug

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T#:569985

Part#: 12120054451

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12% off MSRP $ 30.96

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 27.37 USD

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12% off MSRP

$ 30.96

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 27.37 USD

Add to Wish List

BMW part number **12120054451** is a **high-performance spark plug** designed for select BMW models, such as the **F90 M5**, **F91/F92/F93 M8**, and certain **750i** and **550i** variants. ### **Key Features:** - **Enhanced Performance:** Engineered with **motorsport technology** to withstand higher boost levels and RPMs, reducing misfires and knocking. - **Durability:** Equipped with **platinum electrodes**, these spark plugs offer a **long service life**, with recommended replacement every **25,000 miles**. - **Genuine BMW Part:** Guarantees **precise fitment** and preserves the vehicle's original **performance and reliability**.

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Genuine BMW Spark Plug Service Indicator Label - BMW

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T#:362838

Part#: 01399791390

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$ 3.61 USD

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$ 3.61 USD

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Stick this label in a conspicuous place to act as a reminder of your service history. Documenting when your BMW's sparks plugs have been swapped helps you keep track of vital maintenance!

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BMW Spark Plugs for BMW F90 M5 S63 4.4L

BMW N63/S63 4.4L NGK Performance One-Step Colder Spark Plug Set - ...

BMW Spark Plug

Genuine BMW Spark Plug Service Indicator Label - BMW

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