Ignition

B58 Ignition Coil Upgrade Adapter Kit - N55/S55

Not forsale in the state of California!

T#:6811828

Part#: ICU-NS55-N5-PL

Ships on Sep 4, 2026

$ 299.99 USD

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$ 299.99 USD

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Does not include ignition coils. To mount the B58 coils onto the N55 & S55 engine the folks at Nexsys developed billet aluminum brackets that are Made in the USA.

BMW B58 Ignition Coil Upgrade Adapter Kit - Raw - N54

T#:6811830

Part#: N54-STVTT-RA-ST-

Ships in 3 Business Days

$ 349.99 USD

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$ 349.99 USD

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Does not include ignition coils - B58 coils are capable of producing 2.3x the energy output while providing a longer spark duration

B58 Ignition Coil Upgrade Adapter Kit - N55

Not for sale in the state of California!

T#:6811852

Part#: B58COILPNPN55

Ships on Sep 4, 2026

Sale - Save 7% $ 515.99

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

Starting at $ 479.93 USD

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Sale - Save 7%

$ 515.99

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

Starting at $ 479.93 USD

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B58 coils are capable of producing 2.3x the energy output while providing a longer spark duration than the Precision Raceworks N55 coils.

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 - E21 320i 1980-83, E30 318i 1...

T#:4023

Part#: TMS4023

In Stock

$ 88.99 USD

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$ 88.99 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:
1980-1983 E21 BMW 320i
1984-1985 E30 BMW 318i

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Karlyn Ignition Wire Set - E30 M3

T#:381414

Part#: 12121311735

Ships in 6 Business Days

$ 249.99 USD

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$ 249.99 USD

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Complete set of plug wires

8mm High-Performance Ignition Wire Set - E28 528e (with Impulse Cable...

T#:4037

Part#: 12-7757P-8

Ships on Sep 1, 2026

$ 176.99 USD

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$ 176.99 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:
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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8mm High-Performance Ignition Wire Set - E23 735i/L7, E24 635CSi 1984...

T#:4042

Part#: TMS4042

In Stock

$ 165.99 USD

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$ 165.99 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:
1985-1988 E28 BMW 535i 535is
1984-6/1987 E24 BMW 635csi
1984-1987 E23 BMW 733i 735i

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8mm High-Performance Ignition Wire Set - E28 528e 1983-12/86, E30 325...

T#:4035

Part#: 12-7719-8

Ships in 7 Business Days

$ 129.99 USD

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$ 129.99 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:
1984-1987 E30 BMW 325e 325es
1983-12/1986 E28 BMW 528e

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Billet Spark Plug Gapper Tool - 14mm - BMS

T#:583132

Part#: BMSBSPGT14MM

Ships in 7 Business Days

$ 35.00 USD

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

T#:4025

Part#: 12-7923-8

In Stock

Sale - Save 36% $ 226.99

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

$ 145.99 USD

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Qty

Sale - Save 36%

$ 226.99

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

$ 145.99 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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B58 Ignition Coil Upgrade Adapter Kit - Black Anodized - N54 Stock Va...

T#:6811848

Part#: N54-STVTT-BL-ST-

Ships in 4 Business Days

$ 359.99 USD

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$ 359.99 USD

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Does not include ignition coils - B58 coils are capable of producing 2.3x the energy output while providing a longer spark duration

7mm Ignition Wire Set - E32 735i, E34 535i

T#:3395

Part#: 12-7759P

In Stock

$ 162.99 USD

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$ 162.99 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:
1989-1992 E34 BMW 535i
1988-1992 E32 BMW 735i 735il

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Extended Spark Plug Socket

T#:391150

Part#: SUU884506

In Stock

9% off MSRP $ 31.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 28.99 USD

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9% off MSRP

$ 31.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 28.99 USD

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3/8" drive socket with 5/8" opening for most spark plugs

B58 Ignition Coil Upgrade Adapter Kit - N54

T#:6827867

Part#: B58COILPNPN54

Ships in 3 Business Days

Sale - Save 5% $ 688.99

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

Starting at $ 655.92 USD

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Sale - Save 5%

$ 688.99

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

Starting at $ 655.92 USD

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Includes ignition coils - B58 coils are capable of producing 2.3x the energy output while providing a longer spark duration

Red B58 BMW Coil Upgrade Adapter Kit - N55

T#:57086690

Part#: BMSN55CUAK-R

Ships on Sep 1, 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.

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Ignition Wire Set

T#:593964

Part#: 12121705718

Ships in 2 Business Days

$ 106.60 USD

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$ 106.60 USD

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Replacement Ignition Wire Set from STI-Karlyn

Blue B58 BMW Coil Upgrade Adapter Kit - N55

T#:49857415

Part#: BMSN55CUAK

Back Ordered

$ 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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Ignition Wire Set

T#:593968

Part#: 12121705716

Ships in 2 Business Days

$ 124.36 USD

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$ 124.36 USD

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If your vehicle has developed a misfire or is having ignition problems it could be the ignition cables. Replace yours today to bring back the functionality of your ignition system.

Karlyn Ignition Wire Set - Right - E31

T#:373952

Part#: 12121733020

Ships in 1 Business Day

$ 324.18 USD

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$ 324.18 USD

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For cylinders 1-6

Karlyn Ignition Wire Set - Left - E31

T#:373953

Part#: 12121733006

Ships in 1 Business Day

$ 324.86 USD

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$ 324.86 USD

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For cylinders 7-12

Spark Plug Wire Set

T#:593963

Part#: 12120407854

Ships in 2 Business Days

$ 101.63 USD

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Qty

$ 101.63 USD

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Replacement Spark Plug Wire Set from STI-Karyln

Spark Plug Wire Set With Long Coil Wire

T#:593961

Part#: 12121360603

Ships in 2 Business Days

$ 50.46 USD

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Qty

$ 50.46 USD

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Replacement Spark Plug Wire Set With Long Coil Wire from STI Karlyn

Karlyn Ignition Wire Set - E36, Z3

T#:369621

Part#: 12121247523

Ships in 1-2 days

$ 181.99 USD

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$ 181.99 USD

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Replace worn out wires and restore performance.

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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Qty

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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7mm Ignition Wire Set - E23 733i, E24 633CSi, E28 533i

T#:4039

Part#: 12-7555

Ships on Sep 1, 2026

$ 145.99 USD

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Qty

$ 145.99 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.

Only for cars with Bolt-On style Distributor Rotor

This item fits the following BMWs:
1982-1984 E28 BMW 533i
1982-1984 E24 BMW 633csi
1981-1984 E23 BMW 733i

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7mm Ignition Wire Set - E28 528e 1983-12/86, E30 325e/es 1984-9/87 ...

T#:4034

Part#: 12-7719

Ships on Sep 1, 2026

$ 100.99 USD

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$ 100.99 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:
1984-1987 E30 BMW 325e 325es
1983-12/1986 E28 BMW 528e

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Kingsborne Spark Plug Wires Ignition Wire Set

T#:349910

Part#: 12-7200R

Ships on Sep 1, 2026

$ 196.95 USD

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$ 196.95 USD

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Right Bank Cylinders 1-thru-6 This set comes complete with factory Loom and Sensor

7mm High-Performance Ignition Wire Set - E30 M3

T#:27238722

Part#: 924-1316

Ships on Sep 1, 2026

$ 232.99 USD

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$ 232.99 USD

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7mm High-Performance Ignition Wire Sets are manufactured to O.E. specifications and with O.E components. All wire sets have genuine Bremi connectors and the highest grade of silicone wire available. These have 7mm ignition wires.

This item fits the following BMWs: 1988-1991 E30 BMW M3

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8mm High-Performance Ignition Wire Set - E30 318i 16V 1989-91 ...

T#:4033

Part#: 12-7912-8

Ships on Sep 1, 2026

$ 217.99 USD

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Qty

$ 217.99 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:
1990-1991 E30 BMW 318i 318is 318ic with M42 engine

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7mm Ignition Wire Set - E36 318i/ti 1992-95

T#:4024

Part#: 12-7923

Ships on Sep 1, 2026

$ 215.99 USD

Add to Wish List

Qty

$ 215.99 USD

Add to Wish List

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:
1992-1995 E36 BMW 318i 318is 318ti 318ic with M42 engine

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8mm High-Performance Ignition Wire Set - E36 318i/ti 1996-98 ...

T#:200159

Part#: 12-7923L

In Stock

$ 215.99 USD

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Qty

$ 215.99 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:
1996-1998 E36 BMW 318i 318is 318ti 318ic with M44 engine

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Blue B58 BMW Coil Upgrade Adapter Kit - N54

T#:49857414

Part#: BMSN54CUAK

Ships on Sep 1, 2026

$ 199.00 USD

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Qty

$ 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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Ignition Wire Set

T#:593965

Part#: 12121722253

Ships in 2 Business Days

$ 543.19 USD

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Qty

$ 543.19 USD

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Complete OEM style with plastic loom to keep wires nice & neat. Keep your ignition system in prime shape with this set of spark plug wires from ECS Tuning. These replacement wires from Bosch offer a perfect fit and performance match for your worn original equipment. Installs just like stock with stock lengths. An easy way to try to squeeze all the mileage you can out of each tank of gas.

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Ignition Wire Set

T#:593966

Part#: 12121742887

Ships in 2 Business Days

$ 246.92 USD

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Qty

$ 246.92 USD

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Installs just like stock with stock lengths. An easy way to try to squeeze all the mileage you can out of each tank of gas.

Ignition Wire Set

T#:593956

Part#: 12121279550

Ships in 2 Business Days

$ 100.78 USD

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Qty

$ 100.78 USD

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Keep your ignition system in prime shape with this set of spark plug wires from ECS Tuning. These replacement wires offer a perfect fit and performance match for your worn original equipment. Installs just like stock with stock lengths. An easy way to try to squeeze all the mileage you can out of each tank of gas.

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Ignition Wire Set

T#:593967

Part#: 12121742888

Ships in 2 Business Days

$ 248.71 USD

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Qty

$ 248.71 USD

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These replacement wires from STI offer a perfect fit and performance match for your worn original equipment. Installs just like stock with stock lengths. An easy way to try to squeeze all the mileage you can out of each tank of gas.

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