Ignition Service for BMW Z4 M Roadster S54 (2003-2008)

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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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Bosch - Corporate Logo
T#:588121
Part#: 12138616153
In Stock
Sale - Save 5% $ 32.99
$ 31.34 USD
Free Shipping on orders $49 and up
Sale - Save 5% $ 32.99
$ 31.34 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 100,000 miles. Keep your ignition system in perfect order. Rubber integrated boot and snap-top cap. OEM Bosch Part Number: 0221504800
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OEM Bosch Ignition Coil - Set Of 6 - S54 BMW
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Bosch - Corporate Logo
T#:348133
Part#: 12137594937T6KT
In Stock
$ 155.99 USD
Free Shipping
$ 155.99 USD
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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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OEM Bosch Ignition Coil - Set of 6 - M54 S54 BMW
We Price Match - Give Us A Call or Chat!
Bosch - Corporate Logo
T#:340693
Part#: 12131712219
In Stock
$ 155.99 USD
Free Shipping
$ 155.99 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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Sunex - Corporate Logo
T#:641915
Part#: 8845D
Ships in 6 Business Days
$ 79.99 USD
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$ 79.99 USD
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Complete set of spark plug sockets.

Ignition Coil - Set of 8
We Price Match - Give Us A Call or Chat!
Bosch - Corporate Logo
T#:348179
Part#: 12131712219T8KT
In Stock
$ 207.99 USD
Free Shipping
$ 207.99 USD
Free Shipping