Ignition Service for BMW 3 Series F34 (2014+)

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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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Turner Motorsport - Corporate Logo
T#:20320750
Part#: 12138643360T
In Stock
Sale - Save 20% $ 52.99

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

$ 42.39 USD
Free Shipping on orders $49 and up
Sale - Save 20%
$ 52.99

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

$ 42.39 USD
Free Shipping on orders $49 and up

Our B Series ignition coils are designed with performance and efficiency in mind. An engine needs 3 main components to run (Air, Fuel, Spark.) Ignition coils are responsible for 1/3 the operation your engine and it would be smart to weigh the options when shopping. Turner B Series 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 give your engine the performance and aesthetic your looking for.

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 engines health, performance and efficiency. Choose Turner Ignition Coils to keep your engine running strong and healthy.

Features and Benefits:

Increased performance
Direct fitment
Signature Turner Blue finish

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Turner Motorsport - Corporate Logo
T#:23383277
Part#: TIGNITION6KT
In Stock
Sale - Save 7% $ 203.99

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

$ 189.41 USD
Free Shipping on orders $49 and up
Sale - Save 7%
$ 203.99

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

$ 189.41 USD
Free Shipping on orders $49 and up
Our BMW ignition coils are designed with performance and efficiency in mind. An engine needs 3 main components to run (Air, Fuel, 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 give your engine the performance and aesthetic your looking for. 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 engines health, performance and efficiency. Choose Turner Ignition Coils to keep your engine running strong and healthy. Features and Benefits: Increased performance Direct fitment Signature Turner Blue finish
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Bosch - Corporate Logo
T#:340642
Part#: 12120037582
In Stock
$ 57.12 USD
Free Shipping on orders $49 and up

Revitalize your engine's performance with Turner Motorsport's quality OEM spark plugs, addressing issues like poor idle, diminished fuel efficiency, and engine misfire codes. Worn-out spark plugs can lead to various problems, including electrode erosion causing an inadequate spark gap and carbon buildup affecting performance. Bosch's dependable spark plugs offer the solution, restoring power, fuel efficiency, and a smooth idle by mimicking factory specifications.

Key Benefits:

  • Address poor idle, low fuel efficiency, and engine misfires
  • Bosch spark plugs ensure optimal performance
  • Prevents excessive electrode wear and carbon buildup
  • Restoration of power and fuel efficiency

For comprehensive ignition system maintenance, consider replacing all serviceable components. Turner Motorsport's ignition section offers an array of parts, including spark plugs, wires, coil packs, and more, ensuring your vehicle performs at its peak.

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Genuine BMW - Corporate Logo
T#:548978
Part#: 12120042724
In Stock
26% 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.

$ 22.99 USD
Free Shipping on orders $49 and up
26% 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.

$ 22.99 USD
Free Shipping on orders $49 and up

Performance Ignition Coils - Set Of 4
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:23383278
Part#: TIGNITION4KT
In Stock
Sale - Save 7% $ 135.99

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

$ 125.96 USD
Free Shipping on orders $49 and up
Sale - Save 7%
$ 135.99

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

$ 125.96 USD
Free Shipping on orders $49 and up
Our BMW ignition coils are designed with performance and efficiency in mind. An engine needs 3 main components to run (Air, Fuel, 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 give your engine the performance and aesthetic your looking for. 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 engines health, performance and efficiency. Choose Turner Ignition Coils to keep your engine running strong and healthy. Features and Benefits: Increased performance Direct fitment Signature Turner Blue finish
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Turner B-Series Performance Ignition Coil - Set Of 4
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:46375263
Part#: TIGNITIONB4KT
In Stock
Sale - Save 20% $ 211.99

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

$ 169.57 USD
Free Shipping on orders $49 and up
Sale - Save 20%
$ 211.99

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

$ 169.57 USD
Free Shipping on orders $49 and up

Our B Series ignition coils are designed with performance and efficiency in mind. An engine needs 3 main components to run (Air, Fuel, Spark.) Ignition coils are responsible for 1/3 the operation your engine and it would be smart to weigh the options when shopping. Turner B Series 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 give your engine the performance and aesthetic your looking for.

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 engines health, performance and efficiency. Choose Turner Ignition Coils to keep your engine running strong and healthy.

Features and Benefits:

Increased performance
Direct fitment
Signature Turner Blue finish

Show More Show Less

Turner B-Series Performance Ignition Coil - Set Of 6
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:18401895
Part#: TIGNITIONB6KT
In Stock
Sale - Save 20% $ 317.99

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

$ 254.35 USD
Free Shipping on orders $49 and up
Sale - Save 20%
$ 317.99

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

$ 254.35 USD
Free Shipping on orders $49 and up

Our B Series ignition coils are designed with performance and efficiency in mind. An engine needs 3 main components to run (Air, Fuel, Spark.) Ignition coils are responsible for 1/3 the operation your engine and it would be smart to weigh the options when shopping. Turner B Series 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 give your engine the performance and aesthetic your looking for.

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 engines health, performance and efficiency. Choose Turner Ignition Coils to keep your engine running strong and healthy.

Features and Benefits:

Increased performance
Direct fitment
Signature Turner Blue finish

Show More Show Less
Bosch - Corporate Logo
T#:348895
Part#: 12120037582
In Stock
$ 9.52 USD
Free Shipping on orders $49 and up

Bosch ZR5TPP33S spark plug for  engines. Listed as BMW part #'s 12120037582 and 12120037575. Over time spark plugs become contaminated, worn, and "fouled out". This can cause a weak or missing spark leading to issues with fuel efficiency, misfires, check engine codes, and poor idle or even direct damage to your catalytic converter. This OEM spark plug made by Bosch will restore OE spark plug operation and function, returning lost power and fuel efficiency.

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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Genuine BMW - Corporate Logo
T#:27138530
Part#: 12138643360KT11
Ships in 2 Business Days
$ 676.99 USD
Free Shipping on orders $49 and up

Sluggish acceleration, misfires, and rusty terminals are symptoms of a worn coil. Located on the top of your engine, these coils should be inspected and replaced as needed or every 60,000 miles.

If you are replacing any aspect of your ignition system, it's best to replace all serviceable components. This kit includes ignition coils and spark plugs for a comprehensive service that is guaranteed to last.

Kit Includes:

6 Genuine BMW Ignition Coils - 12138643360 6 Genuine BMW Spark Plugs - 12120040551

Genuine BMW Spark Plug Service Indicator Label - 01399791390

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