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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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Ignition Wire Set

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T#:593964

Part#: 12121705718

Ships in 1 Business Day

$ 108.48

This product was last offered at the strikethrough price on
10-27-2026

$ 94.10 USD

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$ 94.10 USD

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Replacement Ignition Wire Set from STI-Karlyn

Karlyn Ignition Wire Set - Right - E31

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T#:373952

Part#: 12121733020

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$ 329.65

This product was last offered at the strikethrough price on
10-27-2026

$ 287.23 USD

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$ 287.23 USD

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For cylinders 1-6

Ignition Wire Set

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T#:593968

Part#: 12121705716

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$ 127.57

This product was last offered at the strikethrough price on
10-27-2026

$ 110.66 USD

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$ 110.66 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 - Left - E31

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T#:373953

Part#: 12121733006

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$ 330.33

This product was last offered at the strikethrough price on
10-27-2026

$ 287.83 USD

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$ 287.83 USD

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For cylinders 7-12

Spark Plug Wire Set With Long Coil Wire

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T#:593961

Part#: 12121360603

Ships in 1 Business Day

$ 51.62

This product was last offered at the strikethrough price on
10-27-2026

$ 44.77 USD

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$ 44.77 USD

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

Spark Plug Wire Set

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T#:593963

Part#: 12120407854

Ships in 1 Business Day

$ 101.63

This product was last offered at the strikethrough price on
10-27-2026

$ 98.52 USD

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$ 98.52 USD

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Replacement Spark Plug Wire Set from STI-Karyln

Karlyn Ignition Wire Set - E36, Z3

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T#:369621

Part#: 12121247523

Ships in 1 day

$ 181.99 USD

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$ 181.99 USD

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Replace worn out wires and restore performance.

Karlyn Ignition Wire Set - E30 M3

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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

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

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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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Hitachi Ignition Coil - BMW N20 N26 N55 (up to 05/2013)

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T#:48815460

Part#: 12137594596

Ships in 6 Business Days

$ 56.99 USD

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$ 56.99 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. 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.

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Hitachi Ignition Coil - BMW B58 B48/46 B38

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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 - 12131712219 - E46, E39, E60, E63 E64 6 Series...

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T#:48815451

Part#: 12131712219

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$ 57.99 USD

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$ 57.99 USD

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Get your spark back with new ignition coils.

Ignition Wire Set

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T#:593965

Part#: 12121722253

Ships in 1 Business Day

$ 557.24

This product was last offered at the strikethrough price on
10-19-2026

$ 483.34 USD

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$ 483.34 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

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T#:593956

Part#: 12121279550

Ships in 1 Business Day

$ 102.55

This product was last offered at the strikethrough price on
10-27-2026

$ 71.16 USD

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$ 71.16 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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Hitachi M57 N57 Diesel Glow Plug Preheating Control Unit - 1221859172...

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T#:48815450

Part#: 12218591724

Ships in 6 Business Days

$ 124.99 USD

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$ 124.99 USD

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Distributes power to glow plugs to preheat them for ignition.

Ignition Wire Set

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T#:593966

Part#: 12121742887

Ships in 1 Business Day

$ 251.08

This product was last offered at the strikethrough price on
10-27-2026

$ 218.78 USD

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$ 218.78 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

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T#:593967

Part#: 12121742888

Ships in 1 Business Day

$ 252.91

This product was last offered at the strikethrough price on
10-27-2026

$ 220.36 USD

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$ 220.36 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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Ignition
- Ignition Coils (5)
- Spark Plug Wires (11)

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