BMW Engine Parts

BMW Ignition Coil with Spark Plug Connector (ELDOR)

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T#:641259

Part#: 12138657273

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$ 34.99 USD

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Used in a wide variety of BMW engines to ensure proper spark plug operation.

Eldor Ignition Coil - 12138616153

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T#:29234309

Part#: 12138616153

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$ 43.99 USD

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$ 43.99 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.

This is the current replacement for some BMW 6 and 8-cylinder engines built in the late 2000s and after. BMW has made numerous changes to ignition coil part numbers in recent years but has approved this part number to work in the vehicles listed below. It's listed as a replacement coil for N20, N55, and S55 engines. In March 2015 BMW approved it for N51/N52 engines. This part number replaces the previous BMW part number 12137594937 for the cars listed below.

Sold per coil. Includes boot and connector.

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Ignition Coil - Priced Each B46 & B48 2.0L B58 3.0L

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T#:590050

Part#: 12138643360

In Stock

$ 39.99

This product was last offered at the strikethrough price on
06-15-2026

$ 36.76 USD

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$ 36.76 USD

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Revitalize your BMW's performance with Eldor ignition coils. Sluggish acceleration, misfires, and rusty terminals may indicate a worn coil. Located on the engine's top, these coils require inspection and replacement every 60,000 miles or as needed. Ensure your ignition system is in optimal condition for peak performance.

Revitalize sluggish acceleration
Address misfires and rusty terminals
Inspection and replacement every 60,000 miles
Harmonize ignition system components
Unlock hidden horsepower
Improve fuel economy

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OEM Eldor Ignition Coil - BMW F9X G30 G14/15/16 G05 G06 G07 N63 S63 S...

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T#:30927351

Part#: 12138692611

Ships in 1 day

$ 61.08 USD

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$ 61.08 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. When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand and many other high-quality OEM brands with pride and has the parts you need to complete your next project with confidence. Sold per coil. Includes boot and connector.

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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 - Left - E31

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T#:373953

Part#: 12121733006

Ships in 1 Business Day

$ 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

Ignition Wire Set

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T#:593968

Part#: 12121705716

Ships in 1 Business Day

$ 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 - Right - E31

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T#:373952

Part#: 12121733020

Ships in 1 Business Day

$ 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

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

Hitachi Voltage Regulator - BMW E31 E32 E34 E36

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T#:48850064

Part#: 12311747920

Ships in 6 Business Days

$ 37.99 USD

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$ 37.99 USD

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This voltage regulator is a crucial component that controls the alternator's output, preventing overcharging by adjusting the current to maintain a safe range of vehicle voltage, thereby protecting the battery and electrical system. Symptoms of failure include dim lights, battery warnings, or a dead battery, often requiring replacement, which can be internal or external to the alternator.

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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

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 Fuel Pump Camshaft Follower - BMW N20 N55 S55 N63 S63 B48/46 ...

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T#:589968

Part#: 11327601233

Back Ordered

$ 55.00 USD

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$ 55.00 USD

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A faulty camshaft follower can damage the engine and cause incorrect valve timing.

OEM Eldor Ignition Coil - BMW B48TU2 2.0L B58TU2 3.0L

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T#:54852008

Part#: 12139453463

In Stock

$ 77.99 USD

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$ 77.99 USD

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Sluggish acceleration, misfires, rough idling, poor fuel economy, and check engine lights are symptoms of a worn coil. Located on the top of your engine, these coils should be inspected and replaced as needed or every 60,000 miles to keep your ignition system in perfect order

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Hitachi Camshaft Position Sensor - Intake - BMW M52TU M54

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T#:48850072

Part#: 12147539165

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$ 41.99 USD

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$ 41.99 USD

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A bad cam sensor can cause a variety of problems from hard starting to stalling at low speeds. Cam sensor replacement has been known to cure many drivabilty issues. Uses O-ring # 12 141 748 398 (not included)

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Hitachi Voltage Regulator - 12317550469 - E88 128i

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T#:48815477

Part#: 12317550469

Ships in 6 Business Days

$ 79.99 USD

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$ 79.99 USD

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Supplies power to your car's electronics and recharges the battery.

Hitachi Ignition Coil - 12131712219 - E46, E39, E60, E63 E64 6 Series...

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T#:48815451

Part#: 12131712219

Ships in 6 Business Days

$ 57.99 USD

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$ 57.99 USD

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Get your spark back with new ignition coils.

Hitachi Engine Camshaft Position Sensor - 13628697982 - F90, G30 5 Se...

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T#:48850059

Part#: 13628697982

Ships in 6 Business Days

$ 48.99 USD

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$ 48.99 USD

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The camshaft position sensor communicates the position of the camshaft to the computer. This helps the computer to calculate proper spark and fuel control. If you're struggling with CELs, hard starts or no starts, stalling, and/or a rough idle, you may need to replace the cam position sensor.

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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.

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T#:48850081

Part#: 13627806782

Ships in 6 Business Days

$ 81.99 USD

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$ 81.99 USD

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Tells the computer whether the timing is correct in the engine.

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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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#: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.

Hitachi N20 N55 Fuel Supply Module - 16117243975 - E9x, F3x, E8x, F22...

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T#:48850079

Part#: 16117243975

Ships in 6 Business Days

$ 344.99 USD

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$ 344.99 USD

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Delivers fuel from the tank to the engine.

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#: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#: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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Hitachi Crankshaft Position Sensor - BMW N20 N26 2.0L

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T#:48815475

Part#: 13627595860

Back Ordered

$ 68.99 USD

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$ 68.99 USD

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This is the crankshaft position sensor. It provides information for the ECU. A faulty sensor can cause issues with timing adjustment and limit performance and vehicle operation. Replace your sensor with a high-quality Hitachi sensor to restore peak performance.

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Hitachi Crankshaft Position Sensor - BMW M52 S52 M54

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T#:48815470

Part#: 12141709616

Back Ordered

$ 32.99 USD

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$ 32.99 USD

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NOTE: Does not include o-ring seal - see BMW # 12141748398 This is the crankshaft position sensor. It provides information for the ECU. A faulty sensor can cause issues with timing adjustment and limit performance and vehicle operation. Replace your sensor with a high-quality Hitachi sensor to restore peak performance.

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Hitachi Fuel Pump - BMW E36

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T#:48850068

Part#: 16146758736

Back Ordered

$ 173.99 USD

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$ 173.99 USD

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Replacement in-tank fuel pump for your E36 BMW 3-Series

Hitachi Voltage Regulator - BMW E36 Z3 E34

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T#:48850070

Part#: 12321739435

Back Ordered

$ 60.99 USD

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$ 60.99 USD

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Alternator voltage regulators are a crucial component that controls the alternator's output, preventing overcharging by adjusting the current to keep vehicle voltage within a safe range, protecting the battery and electrical system. Symptoms of failure include dim lights, battery warnings, or a dead battery, often requiring replacement, which can be internal or external to the alternator

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