Ignition Service for BMW E46 M3 S54 (1999-2005)

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It's important to keep your ignition system operating properly to avoid further complications in the future. Here at Turner Motorsport, we offer full ignition service kits if you'e going to overhaul your entire ignition system, and individual components if you've narrowed down your problem already.

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OEM NGK Spark Plugs - Set Of Six (DCPR8EKP/7415)
We Price Match - Give Us A Call or Chat!
NGK - Corporate Logo
T#:340536
Part#: DCPR8EKP-6
In Stock
$ 107.99 USD
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$ 107.99 USD
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Revitalize your BMW's performance with NGK's Original Spark Plugs, designed to address common issues like poor idle, reduced fuel efficiency, and engine misfires associated with worn-out spark plugs. These NGK plugs offer a solution by preventing electrode wear, which causes an oversized gap and weak sparks over time. They effectively tackle carbon buildup issues that can bridge the gap and hamper performance. Replacing worn-out plugs with NGK aftermarket units restores power, enhances fuel efficiency, and ensures a smoother idle for optimal engine performance.

Product Benefits:

  • Resolves poor idle, low fuel efficiency, and engine misfires
  • Prevents electrode wear for consistent spark
  • Reduces carbon buildup for improved performance
  • Restores power and fuel efficiency
  • Enhances engine smoothness and responsiveness
  • Ensures better harmony within the ignition system
  • Unlocks hidden horsepower and raises fuel economy
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Turner Motorsport - Corporate Logo
T#:21966009
Part#: TMSS54IGNKT
Ships on Oct 1, 2026
Sale - Save 8% $ 320.99

This product was last offered at the strikethrough price on
06-14-2026

$ 293.72 USD
Free Shipping
Sale - Save 8%
$ 320.99

This product was last offered at the strikethrough price on
06-14-2026

$ 293.72 USD
Free Shipping
High-performance ignition kit for your S54 featuring spark plugs, Turner high-performance ignition coils, and dielectric grease to make sure you have no issues at your next maintenance interval! Our BMW ignition coils are designed with performance and efficiency in mind. An engine needs 3 main components to run (Air, Fuel, and Spark). Turner ignition coils are modified to increase energy output; more energy output results in a faster, more efficient, and consistent burn to make sure your fuel is being utilized to its maximum potential. Our signature Turner ignition coils feature a blue housing that gives your engine the performance and aesthetic you're looking for. All Turner Ignition coils are backed by a confidence-inspiring 2-year warranty. Ignition coils should be changed every 40,000 - 60,000 miles and are an important maintenance item due to the essential role they play in your engine's health, performance, and efficiency. Choose Turner Ignition Coils to keep your engine running strong and healthy. Features and Benefits: Increased performance New spark plugs and grease Direct fitment Signature Turner Blue ignition coils Ignition coils backed by a 2-year warranty
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Genuine BMW - Corporate Logo
T#:348491
Part#: 12138616153
In Stock
14% off MSRP $ 100.05

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

$ 86.14 USD
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14% off MSRP
$ 100.05

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

$ 86.14 USD
Free Shipping
Ignition coils are key to the efficiency and performance of your BMW. With a faulty coil the spark plug is not burning the air/fuel mixture properly and that can lead to problems anywhere in the engine and exhaust (including catalytic converters and O2 sensors).
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Packaged by Turner - Corporate Logo
T#:556737
Part#: E46M3TISKT
Ships on Oct 1, 2026
$ 316.57 USD
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$ 316.57 USD
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Often an oversight in maintenance, ignition components are also susceptible to wear and tear. Spark Plugs can accumulate carbon, reducing the spark intensity and it's ability to properly ignite the air/fuel mixture, leading to misfires and generally declining performance. Other ignition components, such as coils, boots, wires, caps, and rotors, can also wear out over time due to factors like heat and contamination, preventing the current from reaching the spark plug.

To start over fresh with all new components, we now offer these Ignition Service Kits. Each kit comes with brand new OE quality components, replacing any potential fault points in your ignition system for peak performance!

See kit contents below for a complete list of included components.

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Bosch - Corporate Logo
T#:348133
Part#: 12137594937T6KT
In Stock
$ 185.99 USD
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$ 185.99 USD
Free Shipping

Ignition coils are key to the efficiency and performance of your BMW. With a faulty coil the spark plug is not burning the air/fuel mixture properly and that can lead to problems anywhere in the engine and exhaust (including catalytic converters and O2 sensors). Problems with one or more coils will cause a fault code but not always a check engine light. A misfire code may be related to an ignition coil but could be from other things as well. Sometimes a visual inspection of a coil and coil boot will give an indication of a failure. You can also move coils around to different cylinder banks to see if the misfire code follows a suspect coil. We suggest always having one or two coils on hand to keep as spares.

Bosch is one of the largest OEM producers of Genuine BMW and aftermarket parts in the world, providing parts for almost every major automotive manufacturer. Bosch has likely supplied many of the original electrical (and mechanical) parts for your BMW. Thanks to their quality, high durability, and reliability, you should expect a long service life from Bosch products.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

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NGK Spark Plug - DCPR8EKP - E46 M3, MZ3 (S54), MZ4
We Price Match - Give Us A Call or Chat!
NGK - Corporate Logo
T#:338621
Part#: 7415
In Stock
Starting at $ 107.99 USD
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Starting at $ 107.99 USD
Free Shipping

NGK Laser Platinum Premium standard spark plug for E46 M3 (incl CSL), MZ3 01-02 (S54), MZ4

Select either a single plug or a full set of 6.

NGK has been one a top choice of automakers and mechanics since 1936 for obvious reasons. With manufacturing, quality control and consistency standards second to none, this is truly a name you trust. Turner Motorsport proudly carries the NGK brand with applications that cover all BMW/Mini models.

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Bosch - Corporate Logo
T#:340693
Part#: 12131712219
In Stock
$ 185.99 USD
Free Shipping
$ 185.99 USD
Free Shipping
Bosch is one of the largest OEM producers of Genuine BMW and aftermarket parts in the world, providing parts for almost every major automotive manufacturer. Bosch has likely supplied many of the original electrical (and mechanical) parts for your BMW. Thanks to their exacting assembly process and high level of durability you can expect a long service life from all Bosch products.
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Packaged by Turner - Corporate Logo
T#:583532
Part#: S54PISKT
Ships on Oct 1, 2026
Sale - Save 19% $ 291.99

This product was last offered at the strikethrough price on
05-03-2026

$ 237.09 USD
Free Shipping
Sale - Save 19%
$ 291.99

This product was last offered at the strikethrough price on
05-03-2026

$ 237.09 USD
Free Shipping

Every 60-80,000 miles, we recommend replacing your spark plugs to ensure your ignition system is running optimally. Over time carbon can build up around the head of the spark plug and decrease spark strength and effectiveness, leading to weaker fuel mixture detonation, misfires, and potential check engine lights. To prevent this, have put together our High-Performance Ignition Service Kits. These kits include new Bav Auto High-Performance Ignition Coils, new spark plugs, dielectric grease, and a BMW spark plug service label to keep track of when your spark plugs were replaced.

Bav Auto's Ignition coils feature core windings that have been modified to increase firepower and promote a faster, more efficient burn. This gives your BMW/MINI increased torque in the lower range of RPM and more horsepower in the upper range. Exact improvements depend on the current condition of your engine, but you'll definitely feel the difference. They'll also improve your fuel economy.

From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

As a leading source of high-performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts. All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

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Genuine BMW - Corporate Logo
T#:13096
Part#: 12517831537
In Stock
10% off MSRP $ 413.99

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

$ 382.99 USD
Limited Qty Sale
Free Shipping
10% off MSRP
$ 413.99

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

$ 382.99 USD
Limited Qty Sale
Free Shipping


Genuine BMW Wiring Harness, Engine Ignition Module
This item fits the following BMW Chassis:
E46 M3,E46

Fits BMW Engines including:
S54


Packaged by Turner - Corporate Logo
T#:6196924
Part#: 12131712219TKT
Ships on Oct 1, 2026
$ 302.99 USD
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$ 302.99 USD
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Restore your ignition system using high quality Bosch ignition coils and NGK spark plugs. Your ignition system will start to fail with age, which will ruin your fuel economy as well as your performance. This Turner Motorsport kit includes new coils, plugs, and hardware. This particular kit utilizes all quality aftermarket components.
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Genuine BMW - Corporate Logo
T#:375238
Part#: 12131712219KT2
Ships on Oct 1, 2026
$ 723.99 USD
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$ 723.99 USD
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Often an oversight in maintenance, ignition components are also susceptible to wear and tear. Spark Plugs can accumulate carbon, reducing the spark intensity and it's ability to properly ignite the air/fuel mixture, leading to misfires and generally declining performance. Other ignition components, such as coils, boots, wires, caps, and rotors, can also wear out over time due to factors like heat and contamination, preventing the current from reaching the spark plug.

To start over fresh with all new components, we now offer these Ignition Service Kits.

This kit includes all Genuine BMW components to ensure perfect operation and exceptionally high quality.

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Dinan Performance Ignition Service Kit
Call In Or Chat For Best Price!
Call In, Chat, Or Email, For Best Price! Limited Time Only!
Dinan - Corporate Logo
T#:8294099
Part#: D650-0004KT4
In Stock
$ 317.99 USD
Free Shipping
$ 317.99 USD
Free Shipping

Dinan Performance Ignition Service Kit is the ideal solution for BMW owners experiencing issues like sputtering, rough idle, hesitation during acceleration, misfires, and a check engine light. This comprehensive kit addresses common ignition system problems and ensures optimal engine performance. When one ignition coil fails, it is highly recommended to replace the spark plugs simultaneously to prevent future complications and ensure a reliable connection.

Benefits:

  • Complete Ignition Solution: Includes everything needed for a thorough ignition system overhaul, promoting efficient engine operation.
  • Direct Plug-and-Play: Easy installation with no modifications required, making it suitable for DIY enthusiasts and professional mechanics alike.
  • Enhanced Performance: Offers up to 10% more energy output than stock components, resulting in improved acceleration and throttle response.
  • Durable Design: Features a blue housing with the Dinan logo, providing a stylish upgrade while ensuring longevity and reliability.
  • Prevents Future Issues: Replacing both coils and plugs helps to eliminate misfires and maintain optimal engine function.

Upgrade your BMW's ignition system with the Dinan Performance Ignition Service Kit for improved performance and peace of mind on the road.

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Bosch - Corporate Logo
T#:348179
Part#: 12131712219T8KT
In Stock
$ 247.99 USD
Free Shipping
$ 247.99 USD
Free Shipping
CTS - Corporate Logo
T#:5001916
Part#: CTS-IGN-008
In Stock
$ 27.99 USD
Free Shipping
$ 27.99 USD
Free Shipping
CTS Turbo is proud to announce its high-performance replacement ignition coil packs for the BMW vehicles. These are the perfect replacement or upgrade to your N20, N26, N52, N54, N55, N63, S63, S55, M52, M54, S54 engine to keep it running at its peak performance. Also compatible with R5x Mini Cooper vehicles.
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Sunex - Corporate Logo
T#:641915
Part#: 8845D
Ships in 6 Business Days
$ 141.99 USD
Free Shipping
$ 141.99 USD
Free Shipping
Complete set of spark plug sockets.

CTA Tools - Corporate Logo
T#:1241318
Part#: CTA2030
Ships on Sep 16, 2026
$ 81.95 USD
Free Shipping
$ 81.95 USD
Free Shipping
Get the complete set and be ready.