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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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Bav Auto Spark Plug Socket 12" x 5/8"

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T#:580385

Part#: B8800072

In Stock

Sale - Save 23% $ 37.99

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

$ 29.24 USD

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Sale - Save 23%

$ 37.99

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

$ 29.24 USD

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Magnetic insert holds the spark plug securely in place for easy installation. Works great on many twin can engines where the spark plugs are recessed deep in the cylinder head.

3/8" Dr. 5/8" Extended Spark Plug Socket

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T#:2242226

Part#: W80533

Ships in 2 Business Days

$ 20.25 USD

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$ 20.25 USD

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Extended socket length reaches confined areas.

Ignition Wire Set

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T#:593964

Part#: 12121705718

Ships in 2 Business Days

$ 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

NRW Designs S85 Billet Spark Plug Tubes

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T#:42436704

Part#: S85SPTK

Ships in 4 Business Days

$ 249.99 USD

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$ 249.99 USD

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BMW owners can ensure better sealing, eliminate the risk of oil leaks into the spark plug wells, and maintain peak ignition performance.

Karlyn Ignition Wire Set - Right - E31

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T#:373952

Part#: 12121733020

Ships in 2 Business Days

$ 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

Ships in 2 Business Days

$ 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

Ships in 2 Business Days

$ 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 2 Business Days

$ 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 2 Business Days

$ 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 1-2 days

$ 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 7 Business Days

$ 249.99 USD

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$ 249.99 USD

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Complete set of plug wires

NRW Designs S65 Billet Spark Plug Tube Replacement Viton O-Ring Kit ...

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T#:42403035

Part#: S65SPTOK

In Stock

$ 53.99 USD

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$ 53.99 USD

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For BMW M3 owners demanding reliability and performance, the NRW Designs S65 Billet Spark Plug Tube Replacement Viton O-Ring Kit from Turner Motorsport offers a durable, leak-free solution that stands up to the demands of spirited driving and track use.

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Spark Plug Gap Gauge

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T#:1855998

Part#: W80535

Ships in 2 Business Days

$ 1.99

This product was last offered at the strikethrough price on
08-26-2026

$ 1.54 USD

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$ 1.54 USD

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Easy to read markings to set gaps quickly and easily.

Ignition Wire Set

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T#:593965

Part#: 12121722253

Ships in 2 Business Days

$ 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 2 Business Days

$ 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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Ignition Wire Set

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T#:593966

Part#: 12121742887

Ships in 2 Business Days

$ 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

Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:593967

Part#: 12121742888

Ships in 2 Business Days

$ 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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