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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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URO Ignition Coil - E31, E36, E38, E39, E46, E52, E53, Z3

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T#:361999

Part#: 12137599219

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$ 36.99 USD

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$ 36.99 USD

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Ignition coil for a quality OE replacement

URO Ignition Coil - E30, E32, E34, E36, E38

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T#:592983

Part#: 12139066468

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$ 37.99 USD

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Eliminate misfires and restore smooth engine operation with a brand new igniton coil from URO

Beru Glow Plug Preheating Module - E70, E90, F10

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T#:584875

Part#: 12218591724

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$ 126.99 USD

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Sends power to the glow plugs to preheat them for ignition.

Billet Spark Plug Gapper Tool - 14mm - BMS

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T#:583132

Part#: BMSBSPGT14MM

Ships in 6 Business Days

$ 35.00 USD

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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.

Precisely gaps spark plugs for enhanced engine performance and efficiency
Speeds up the gapping process while ensuring accuracy and uniformity
Available in two sizes (14mm and 12mm) for a wider range of compatibility
Optional specialty feeler gauge included with 4 blades in thicknesses of .018, .020, .022, and .024
Made in the USA for premium quality and durability

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Ignition Coil Pack - R50 / R52 / R53

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T#:23383348

Part#: 12137510738

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$ 75.02 USD

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Is your Mini experiencing sluggish acceleration or misfires? It might be time to check the coil pack. The coil pack plays a crucial role in the ignition system and can affect engine performance. Replace it as necessary or ideally every 100,000 miles to keep your Mini's ignition system operating smoothly.

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Spark Plug Wires Set

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T#:591858

Part#: 12121720529

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$ 129.99 USD

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Includes ignition coil wire and conduit

Spark Plugs - Set Of Six

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T#:14982199

Part#: 121200405516KT

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$ 95.99 USD

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Spark Plug Tube

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T#:591554

Part#: 11127835170

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$ 14.99 USD

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Plastic spark plug tube

Blue B58 BMW Coil Upgrade Adapter Kit - N54

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T#:49857414

Part#: BMSN54CUAK

Ships on Jul 24, 2026

$ 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

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T#:49857415

Part#: BMSN55CUAK

Ships on Jul 24, 2026

$ 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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Ignition Coil

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T#:24179139

Part#: 12138611236

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$ 35.99 USD

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A failing ignition coil is a common cause of misfires and/or a rough idle condition. Ignition coils are a wear component, so it is best to replace them if you do not have records of previous replacement.

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MINI Ignition Lead Retrofit Kit B - 82110404488

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T#:168056

Part#: 82110404488

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$ 79.48 USD

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Revitalize your Mini's performance with Beru MINI Cooper Spark Plug Wires, designed to restore power and ensure optimal engine function. Recommended for replacement at 60,000-mile intervals, these wires play a crucial role in maintaining ignition efficiency. If you're experiencing low spark or misfires and have ruled out issues with the coil or spark plugs, faulty spark plug wires could be the culprit. Keep your Mini running smoothly by replacing worn-out wires that may have developed rust on the connections. With this wire set, enjoy happy motoring and consistent spark across all cylinders. Beru MINI Cooper Spark Plug Wires provide the reliability and quality your Mini deserves.

Restores power and performance
Recommended replacement at 60,000-mile intervals
Addresses issues like low spark or misfires
Prevents rust buildup for consistent ignition
Includes plug wires for cylinders 1 - 4
Ensures happy motoring and great spark

MINI IGNITION LEAD RETROFIT KIT B

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M50/M52/M54 Beru Racing Spark Plug

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T#:338884

Part#: FGR-6DDU

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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

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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

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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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Spark Plug - Priced Each

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T#:637736

Part#: 12120040551

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$ 15.99 USD

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$ 15.99 USD

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Spark Plug Boot - Priced Each

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T#:596875

Part#: 12131730412

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Sometimes a bad coil may just be a broken or damaged connector boot. This is especially true on cars with a leaking valve cover gasket where the oil has contamintated the rubber boot and the electrical parts inside. This boot can be replaced on its own without having to buy a whole new coil. This part is also useful if you purchased a coil that did not come with a new boot.

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