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Ignition

Your BMW's ignition system is critical for smooth engine operation. This category contains parts used in the BMW ignition system, including spark plugs, ignition coils, spark plug wires and boots, ignition rotors and caps, distributors and distributor caps. On most 1991 and later model BMWs, your car has what's known as a coil-on-plug system, where each cylinder has its own ignition coil that sits directly atop the spark plug (so you won't have spark plug wires on those BMWs.) A fresh set of spark plugs is an essential part of any BMW engine tune up.

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7mm Ignition Wire Set - 1602/1800/2002/2002tii 1968-76, E21 320i 1977...

T#:4021

Part#: 12-7405

In Stock

Sale - Save 9% $ 84.99

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

$ 77.61 USD

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Sale - Save 9%

$ 84.99

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

$ 77.61 USD

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The Turner Motorsport High-Performance Ignition Wire Sets are manufactured to O.E. specifications and with O.E components. All wire sets have genuine BERU connectors, and the highest grade of silicone wire we could find. Short/Long Coil.

This item fits the following BMWs:
1968-1976 2002 BMW 1600 2002 2002tii
1977-1979 E21 BMW 320i

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8mm High-Performance Ignition Wire Set - E36 318i/ti 1992-95 ...

T#:4025

Part#: 12-7923-8

In Stock

Sale - Save 3% $ 226.99

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

$ 220.18 USD

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Sale - Save 3%

$ 226.99

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

$ 220.18 USD

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High-Performance spark plug wires, to help deliver a perfect, uninterrupted spark impulse to each cylinder of your BMW's engine. Old wires will impair spark, reduce performance, and cause cylinder misfires. We recommend changing your ignition wires every 50k miles, or as soon as your wires show signs of deteriation.

This item fits the following BMWs:
1992-1995 E36 BMW 318i 318is 318ti 318ic with M42 engine

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7mm Ignition Wire Set - E28 528e (with Impulse Cable), E30 325i/iX, E...

T#:4036

Part#: 12-7757P

In Stock

Sale - Save 9% $ 164.99

This product was last offered at the strikethrough price on
07-15-2026

$ 150.68 USD

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Sale - Save 9%

$ 164.99

This product was last offered at the strikethrough price on
07-15-2026

$ 150.68 USD

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The Kingsborne High-Performance Ignition Wire Sets are manufactured to O.E. specifications and with O.E components. All wire sets have genuine BERU connectors, and the highest grade of silicone wire we could find.

This item fits the following BMWs:
1984-1991 E30 BMW 325i 325ic 325is 325ix
1988 E30 BMW 325e 325es
12/1986-1988 E28 BMW 528e
1989-1990 E34 BMW 525i

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Blue B58 BMW Coil Upgrade Adapter Kit - N54

T#:49857414

Part#: BMSN54CUAK

Ships on Aug 7, 2026

$ 199.00 USD

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$ 199.00 USD

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Modernize your N54 ignition system with this N54 to B58 Coil Upgrade Adapter Kit, engineered to deliver an OEM-quality conversion for improved spark energy and consistency. Designed to pair B58-style pencil coils with the factory N54 engine harness, this kit provides a clean, reversible installation—no cutting, splicing, or guesswork required. Key Features & Benefits: Direct-fit adapter solution to run B58 coils on N54 applications Plug-and-play wiring integrates with the factory N54 harness for a factory-like install Secure coil positioning helps ensure proper seating and reliable long-term fitment Improved ignition stability under higher cylinder pressures—ideal for tuned, higher-boost setups Clean, serviceable conversion that maintains a tidy engine bay and simplifies future maintenance Ideal For: Stock to heavily modified N54 builds Vehicles running elevated boost, ethanol blends, or upgraded turbo systems Owners looking to reduce ignition-related misfires and improve combustion consistency under load If you share the brand/part number of the kit and which coils you’re pairing it with, I can tailor the write-up to match the exact components and fitment notes.

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Blue B58 BMW Coil Upgrade Adapter Kit - N55

T#:49857415

Part#: BMSN55CUAK

Ships on Aug 7, 2026

$ 199.00 USD

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$ 199.00 USD

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Upgrade your N55 ignition system with the N55 → B58 Coil Upgrade Adapter Kit, engineered for a seamless, plug-and-play conversion. This kit lets you run modern B58-style pencil coils on your N55 without modifying the factory harness or compromising valve cover integrity. Why Upgrade: While the N55 is a reliable platform, factory coils can struggle under high boost, heat, and load. B58 coils deliver stronger, more consistent spark, and this adapter kit ensures a clean, OEM-quality integration. Features & Benefits: Direct-fit adapter harness & mounts for straightforward B58 coil installation Plug-and-play design — no cutting, splicing, or permanent modifications Secure coil seating & alignment for consistent performance and reliability Improved ignition stability under high-load or tuned conditions, helping reduce misfires Applications: Stage 1–3 N55 builds, turbo upgrades, ethanol blends, track use, and aggressive daily driving Drivers looking to eliminate heat- and boost-related ignition issues Anyone seeking an OEM+ quality coil upgrade without a messy DIY install Result: A clean, professional installation that modernizes your ignition system and delivers reliable spark performance under all conditions. If you provide the kit’s brand/part number and whether your valve cover is stock or aftermarket, I can refine this description for precise fitment and application.

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Hitachi Ignition Coil - BMW B58 B48/46 B38

T#:48850056

Part#: 12137619385

Ships in 6 Business Days

$ 64.99 USD

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$ 64.99 USD

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Get your engine's spark back with new ignition coils.

Hitachi Ignition Coil With Spark Plug Connector - BMW N54 N55 N62 N63...

T#:48850063

Part#: 12138657273

Ships in 6 Business Days

$ 53.99 USD

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$ 53.99 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. ometimes, 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.

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M50/M52/M54 Beru Racing Spark Plug

T#:338884

Part#: FGR-6DDU

Back Ordered

Sale - Save 17% $ 23.99

This product was last offered at the strikethrough price on
05-14-2026

Starting at $ 20.00 USD

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Sale - Save 17%

$ 23.99

This product was last offered at the strikethrough price on
05-14-2026

Starting at $ 20.00 USD

Add to Wish List

RACING SPARK PLUG FOR M50/M52/M54 ENGINES
These spark plugs are recommended by BMW Motorsport for use in their DTC racing engines. We find a slight horsepower increase and greatly increased durability over the OEM road car spark plugs in competition use. We attribute the improvements to the fact that these spark plugs are designed for the high temperatures and cylinder pressures encountered in a racing engine. These spark plugs are a direct replacement and come pre-gapped just like the factory road car plugs.
Please note: these plugs are not for the S54 engine in the E46 M3, MZ3, or Z4 M

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Ignition

Sub-Categories

7mm Ignition Wire Set - 1602/1800/2002/2002tii 1968-76, E21 320i 1977...

8mm High-Performance Ignition Wire Set - E36 318i/ti 1992-95 ...

7mm Ignition Wire Set - E28 528e (with Impulse Cable), E30 325i/iX, E...

Blue B58 BMW Coil Upgrade Adapter Kit - N54

Blue B58 BMW Coil Upgrade Adapter Kit - N55

Hitachi Ignition Coil - BMW B58 B48/46 B38

Hitachi Ignition Coil With Spark Plug Connector - BMW N54 N55 N62 N63...

M50/M52/M54 Beru Racing Spark Plug

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