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High performance ignition kit for your N54/N55 featuring colder stepped spark plugs, Turner high performance ignition coils and grease to make sure you have no issues at your next maintenance interval! Included plugs are one Step colder for N55, Two step colder for N54.
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
New spark plugs and grease
Direct fitment
Signature Turner Blue ignition coils
Transform your N55-powered BMW with the Turner Motorsport B58 Ignition Coil Conversion Kit—the ultimate solution for ignition system reliability and performance. Designed to eliminate the notorious misfires and power loss caused by factory OE pencil-style ignition coils, this kit is a game-changer for stock and modified vehicles alike. Whether you're chasing more power or improved drivability, the B58 ignition coils deliver up to 2.3x more spark energy, unleashing the full potential of your engine.
Why upgrade? The answer is simple: B58 ignition coils outperform all other ignition upgrades on the market with unparalleled spark energy and reliability. Ideal for high-performance builds or daily drivers, this kit eliminates common ignition problems while supporting increased power demands from software tunes like MHD or BM3. Plus, with the included plug-and-play wiring harness and proprietary boots, installation is seamless—no cutting or splicing is required.
Features:
Up to 2.3x More Spark Energy: Maximizes overall performance, offering sufficient output for heavily modified engines. Plug-and-Play Installation: Includes custom brackets, wiring harnesses, and boots designed for factory mounting locations—no modifications needed. DME Compatibility: Compatible with factory engine management software for hassle-free integration. Rugged Durability: Bolt-on brackets are precision-machined from 6061-T6 aluminum with a sleek black anodized finish for a premium look and long-lasting performance. Proprietary Design: Boots feature a built-in 1k OHM resistor to prevent electrical contact failures commonly seen in other kits. Kit Contents:
(6) Turner Motorsport B58 Ignition Coils (6) Turner Motorsport B58 Ignition Coil Conversion Boots (6) Turner Motorsport B58 Ignition Coil Conversion Wiring Harnesses (3) Turner Motorsport B58 Ignition Coil Conversion Brackets Optional Kit Selections:
Spark Plugs: Bosch ZGR6STE2 (OEM) NGK 97506 (One Step Colder) Spark Plug Socket: Schwaben 14mm 12pt Magnetic Socket Schwaben 14mm 12pt Swivel Socket Turner Motorsport offers a comprehensive installation guide, including detailed removal instructions and high-resolution images. Visit the Installation Tab for the step-by-step guide to completing your ignition system upgrade.
Say goodbye to misfires and hello to unparalleled ignition performance with the Turner Motorsport B58 Ignition Coil Conversion Kit. Designed with precision and engineered for reliability, it’s the ultimate upgrade for your N55-powered BMW!
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.