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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.
This is the current replacement for some BMW 6 and 8-cylinder engines built in the late 2000s and after. BMW has made numerous changes to ignition coil part numbers in recent years but has approved this part number to work in the vehicles listed below. It's listed as a replacement coil for N20, N55, and S55 engines. In March 2015 BMW approved it for N51/N52 engines. This part number replaces the previous BMW part number 12137594937 for the cars listed below.
Sold per coil. Includes boot and connector.
This product was last offered at the strikethrough price on
07-27-2026
This product was last offered at the strikethrough price on
07-27-2026
This product was last offered at the strikethrough price on
05-03-2026
This product was last offered at the strikethrough price on
05-03-2026
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.
BMS Billet Spark Plug Gapper Tool - 14mm is an essential tool for achieving accurate and consistent spark plug gapping, ideal for automotive enthusiasts and professional mechanics alike. This precision tool helps maintain optimal plug performance by providing reliable, consistent gaps. Available in both 14mm and 12mm plug thread sizes, this tool is proudly made in the USA to deliver durability and precision.
This product was last offered at the strikethrough price on
07-27-2026
This product was last offered at the strikethrough price on
05-05-2026
This product was last offered at the strikethrough price on
05-05-2026
Enhance the aesthetics and performance of your F30 BMW equipped with the N55 engine with the Turner N55 Gloss Carbon Fiber Engine Cover. CAD-designed in-house, this engine cover is tailored specifically for F30 335i models. Crafted from hand-laid 2x2 weave carbon fiber, it's available in both gloss and matte finishes. The meticulous design pays homage to previous BMW forced induction powerplants, exposing more of the engine on the cold side. The incorporation of an OEM BMW roundel ensures OE fit and finish.
Pairing a Turner engine cover with a Turner carbon fiber intake is recommended by ECS Tuning for maintaining an impressive appearance and enhancing the sound of your N55 engine bay.
Set of 6 Blue Performance Ignition Coils
Turner BMW ignition coils are engineered for performance and efficiency, addressing the key components of engine function - air, fuel, and spark. These modified ignition coils increase energy output, resulting in a faster, more efficient, and consistent burn for optimal fuel utilization. The Turner ignition coils feature a distinctive blue housing, adding both performance and aesthetic value to your engine.
Routine maintenance is crucial, and these ignition coils should be changed every 40,000 - 60,000 miles to ensure the health, performance, and efficiency of your engine. Choose Turner Ignition Coils to keep your engine running strong and healthy.
