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BMW Electrical Sensors, Switches, & Relays

Electrical gremlins can be very frustrating. Luckily your BMW's electrical system is better than most, even if it's 25 years old. Here you will find electrical relays, sensors, switches, and modules for the engine, camshaft, and crankshaft. Our parts are OEM, Genuine BMW, or approved aftermarket brands that we have an excellent track record with. There is no middle ground with electrical parts - it either works perfectly or not. And there's nothing more frustrating than a new part that fails right out of the box. So it's important to choose quality replacement parts over a cheap but faulty piece.

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Genuine BMW - Corporate Logo
T#:185064
Part#: 12141726065
In Stock
3% off MSRP $ 249.99

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

$ 242.99 USD
Free Shipping
3% off MSRP
$ 249.99

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

$ 242.99 USD
Free Shipping

The Crankshaft Position Sensor measures the speed and position of the crankshaft to determine the proper fuel and timing requirement for the best performance.

When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

Genuine BMW Pulse Generator
This item fits the following BMW Chassis:
E36 M3,E36

Fits BMW Engines including:
M50,S50

 

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Genuine BMW - Corporate Logo
T#:10642
Part#: 61361729004
In Stock
2% off MSRP $ 25.01

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

$ 24.59 USD
Free Shipping on orders $49 and up
2% off MSRP
$ 25.01

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

$ 24.59 USD
Free Shipping on orders $49 and up
This is a Genuine BMW main relay for a variety of BMW models. The main relay powers vital systems in the car when the key is turned to the Start position. Things like the ECU and fuel pump require power from the main relay before they can work. The main relay is constantly powered so checking for power is easy with a test light. It should also make a 'click' sound when the ignition switch is turned. Note: relays look similar but can perform different functions, and electrical parts are non-returnable, so make sure you confirm this is the relay you need.
When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.
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Genuine BMW - Corporate Logo
T#:5390
Part#: 12631742690
In Stock
9% off MSRP $ 24.65

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

$ 22.37 USD
Free Shipping on orders $49 and up
9% off MSRP
$ 24.65

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

$ 22.37 USD
Free Shipping on orders $49 and up
This relay is used for the SMG system on the E46 M3 and various applications including secondary air systems on other BMW's. If you find that your SMG-equipped E46 M3 is not starting, this is one of the first places to check as it controls power to the hydraulic unit (the car will not start without hydraulics). Buy one to fix the issue and buy a second so you're not stranded in the future!
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Motiv Motorsports - Corporate Logo
T#:17970629
Part#: RFXF02UI6
In Stock
$ 859.00 USD
Free Shipping on orders $49 and up
The MOTIV ReFlex+ is an Advanced I/O Integration module allowing a level of precise control of auxiliary components. In addition, the ReFlex can incorporate external data into the factory DME/ECU in parallel through optional CANbus integration. Utilizing the CANbus option, multiple digital and analog signals can be used by the DME/ECU for safety, data logging, or adaptive tuning features. It is unique in its ability to function as a separate standalone, as well as a parallel module in conjunction with the DME/ECU. The ReFlex provides the most accurate and precise supplementary sequential fuel injection with the ability to control other advanced features all in one place. It brings a new level of control, function, and versatility to tuning any modern-day vehicle. Preset crank and cam trigger for most modern-day BMW engines, as well as fully configurable triggers to be synched on any vehicle application. Configurable to operate on 4, 5, 6, and 8-cylinder engines. 3 Point MAP sensor calibration table makes it configurable for almost any MAP or TMAP sensor. Sequential Port Injection with the ability to sense individual injector failures on 4 to 8-cylinder engines. Built-in Ethanol Content Analyzer. The Re|Flex firmware and XDFs include ethanol compensation tables to scale properly for varying ethanol % based on real-time input from the sensor. 2x Additional Outputs. These outputs have 12x12 resolution tables for control in TunerPro R/T. These can be configured to run as on/off, digital, frequency (25hz), or PID. Boost Control WGDC Methanol Solenoid Control PWM (for use with valves such as the Aquamist FAV and the ProMeth Pulse Valve) Nitrous Solenoid Control PWM Auxiliary fuel pump relay trigger 2x Inputs Ethanol Content Sensor Fuel Pressure Sensor (0-10bar) Oil Pressure (0-10bar) Coolant Pressure (0-10bar) EGBP/EMAP (0-10bar) CANbus (not required) enabled communication for the transmission and receiving of digital signals for fully DME/ECU integrated control of external modifications. The CANbus communications also allow for data and errors to be transmitted to and from the vehicle's engine control computer in order to add safeguards and implement engine trips and fail safes. Logging via OBDII is still fully functional and is not affected at all by the communication with the Re|Flex. Some of the developments underway include: Error reporting to and from factory ECU for unparalleled safety Output WGDC by converting an EWG signal to a more conventional DC output for controlling standard 3port and 4port boost solenoids for use with external WG’s The ability to datalog non-factory parameters such as ethanol content, additional pressure sensor, PI IDC, and more! These features make the Re|Flex the most powerful and safest supplementary and auxiliary controller on the market. However, this is only the beginning. As flash platforms find the need for more accessories to control, the Re|Flex was designed to be updated easily by the end user in order to add functionality as it is developed.
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Motiv Motorsports - Corporate Logo
T#:28537533
Part#: 101-0216
In Stock
$ 105.00 USD
Free Shipping on orders $49 and up

BMW B46 B48 B58 Motiv ReFlex 0-10 Bar Pressure Sensor is designed for accurate measurement of fluid and air pressure in high-performance applications. Ideal for monitoring a variety of pressures including fuel, boost, coolant, and oil, this sensor provides crucial data for optimizing vehicle performance.

Featuring a 2-Pin DTM connector, this sensor offers a direct plug-and-play connection to the ReFlex+ harness, ensuring a seamless integration with flash platforms via CANbus. Each ReFlex+ unit can support up to two of these sensors, allowing for comprehensive monitoring.

  • Versatile Measurement: Capable of measuring fuel pressure, boost, coolant, oil, and other fluids.
  • Easy Integration: 2-Pin DTM connector provides a direct plug-and-play connection.
  • Comprehensive Monitoring: Supports integration of up to two sensors per ReFlex+ unit.
  • High-Performance Design: Designed to handle high pressures and deliver accurate readings.

For optimal installation, consider using the 3/8 Female to 3/8 Male SAE Quick Disconnect Adapter with a 1/8" NPT port on an ethanol sensor or the 5/16 Female to 5/16 Male SAE Quick Disconnect Adapter with a 1/8" NPT port on a factory fuel line. Please note that the ethanol sensor is not included.

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Genuine BMW - Corporate Logo
T#:367843
Part#: 13621433076
In Stock
16% off MSRP $ 66.05

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

$ 55.45 USD
Free Shipping on orders $49 and up
16% off MSRP
$ 66.05

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

$ 55.45 USD
Free Shipping on orders $49 and up

Genuine BMW - Corporate Logo
T#:11798
Part#: 61368373700
In Stock
4% off MSRP $ 24.65

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

$ 23.59 USD
Free Shipping on orders $49 and up
4% off MSRP
$ 24.65

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

$ 23.59 USD
Free Shipping on orders $49 and up
This relay is often the fuel pump relay for many BMW models. To ensure the relay is correct for your car please check the pin locations.
Motiv Motorsports - Corporate Logo
T#:22723690
Part#: 101-0212
In Stock
$ 49.00 USD
Free Shipping on orders $49 and up
$ 49.00 USD
Free Shipping on orders $49 and up

BMW B46 B48 Motiv ReFlex Plug-n-Play Ethanol Sensor Harness simplifies the integration of an ethanol content sensor into your BMW's Re|Flex system. This harness is designed to enhance your vehicle's performance by scaling the sequential port injection based on real-time ethanol content, eliminating the need for manual adjustments. Key benefits include:

  • Effortless Installation: Plug-n-play design makes it easy to connect an ethanol content sensor without extensive modifications.
  • Real-Time Adjustments: Allows for automatic scaling of port injection based on real-time ethanol content, optimizing engine performance.
  • Seamless Integration: For CANbus integrated vehicles, it facilitates integration with the factory DME/ECU (pending feature release by tuning platforms).
  • No Manual Flashes Required: Removes the need for ground disconnection or map switching on your port injection controller.

Please note that the ethanol sensor is not included with this harness.

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Bosch - Corporate Logo
T#:558831
Part#: 12317561939
In Stock
$ 61.91 USD
Free Shipping on orders $49 and up

Ensure the correct voltage is being sent to/from the alternator, keep you electrical system safe from excessive voltage peaks that could cause damage to sensitive electronics and blow out fuses. Bosch's high quality unit will give you peace of mind knowing the electrical system will be safe and the voltage will remain steady. OEM replacement for BMW part # 12317561939

Bosch is one of the largest OEM producers of Genuine BMW and aftermarket parts in the world, providing parts for almost every major automotive manufacturer. Bosch has likely supplied many of the original electrical (and mechanical) parts for your BMW. Thanks to their quality, high durability, and reliability, you should expect a long service life from Bosch products.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

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Genuine BMW - Corporate Logo
T#:7124
Part#: 12311274833
In Stock
$ 44.99 USD
Free Shipping on orders $49 and up
Replace the alternator adjuster on BMW's with the M20 engine with this Genuine BMW part. Over time this part can become corroded or the teeth can become stripped.

When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.​

This item fits the following BMWs:
1984-1991 E30 BMW 325e 325es 325i 325ic 325is 325ix
1982-1988 E28 BMW 528e
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Genuine BMW - Corporate Logo
T#:10454
Part#: 61131368802
In Stock
7% off MSRP $ 87.87

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

$ 81.98 USD
Free Shipping on orders $49 and up
7% off MSRP
$ 87.87

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

$ 81.98 USD
Free Shipping on orders $49 and up
This is the Genuine BMW clear plastic fuse box cover for E30 3 series, E24 6 series and E23 7 series. The cover in embossed with fuse and relay locations for ease of use.
When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

This item fits the following BMWs:
1984-1991 E30 BMW 318i 318is 318ic 325e 325es 325i 325ic 325is 325ix M3
1983-1989 E24 BMW 633csi 635csi M6
1983-1987 E23 BMW 733i 735i
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Bosch - Corporate Logo
T#:394329
Part#: SR0492N
In Stock
$ 249.17

This product was last offered at the strikethrough price on
08-14-2026

$ 237.99 USD
Free Shipping
$ 237.99 USD
Free Shipping

If your car won't turn over, there is a good chance your starter is shot. Bosch's OEM starter is a high quality replacement that will give you peace of mind thanks to its long life-span. OEM replacement for the original BMW part # 12411312104 and 12411312130. This is a NEW, not used, component with no included core charge!

Bosch is one of the largest OEM producers of Genuine BMW and aftermarket parts in the world, providing parts for almost every major automotive manufacturer. Bosch has likely supplied many of the original electrical (and mechanical) parts for your BMW. Thanks to their quality, high durability, and reliability, you should expect a long service life from Bosch products.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

We recommend replacing hardware when doing your starter, since the bolts are aluminum and threads become stretched: Genuine BMW aluminum starter hardware set 12410392577 

 

Used on a wide variety of models with the BMW N52, N54, and N55 engines, including: E9X, F01/02, F07/10, E8X, E70, E60/61, F25, F30, and Z4.

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Genuine BMW - Corporate Logo
T#:183226
Part#: 12618611273
In Stock
19% off MSRP $ 34.59

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

$ 27.87 USD
Free Shipping on orders $49 and up
19% off MSRP
$ 34.59

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

$ 27.87 USD
Free Shipping on orders $49 and up


Genuine BMW Oil Pressure Switch - M12X1,5
This item fits the following BMW Chassis:
E39 M5,E46 M3,E82 1M Coupe,E85 Z4M,E53 48IS,E36,E38,E39,E46,E53 X5,E63,E65,E70 X5,E71 X6,E82,E83 X3,E85 Z4,E86 Z4,E89 Z4,E90,E92,E93,F01,F02,F06,F10,F12,F13,F15,F16,F25 X3,F30,F31,i3

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Genuine BMW - Corporate Logo
T#:39433
Part#: 12427549393
In Stock
1% off MSRP $ 60.40

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

$ 59.99 USD
Free Shipping on orders $49 and up
1% off MSRP
$ 60.40

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

$ 59.99 USD
Free Shipping on orders $49 and up


Genuine BMW Ground Cable
This item fits the following BMW Chassis:
E82 1M Coupe,E82,E90,E92,E93

Fits BMW Engines including:
M57,N51,N51,N52,N52N,N54,N54T,N55

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Bosch - Corporate Logo
T#:389744
Part#: 13627602038
Ships in 2 Business Days
$ 247.99

This product was last offered at the strikethrough price on
08-03-2026

$ 209.99 USD
Free Shipping
$ 209.99 USD
Free Shipping
The mass air flow sensor measures the amount of air flow to tell the computer how much fuel to add to the mixture. If the MAF sensor malfunctions, there could be too much or too little fuel added to the mixture.
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Motiv Motorsports - Corporate Logo
T#:29201081
Part#: 900.1008
In Stock
$ 200.00 USD
Free Shipping on orders $49 and up

BMW B58 3.0L ReFlex+ Main Injector Harness - Inline-6 offers a seamless integration solution for your turbocharged BMW inline-6 engine. Designed to work with the Motive ReFlex Control Unit, this plug-n-play harness ensures a hassle-free installation process for your 6 EV6/USCAR injectors.

  • Direct Plug-N-Play Installation: Connects directly to the ReFlex+ Control Unit and your EV6/USCAR injectors.
  • Versatile Connector Options: Includes DTM 3-Pin and 2-Pin connectors for integration with ethanol content sensors and external sensors.
  • Multiple Sensor Connectors: Features connections for a 0-10 Bar Pressure Sensor and a 0-5v sensor.
  • Auxiliary Output Wires: Provides 3x unterminated wires for additional low-side triggers from the ReFlex+ Control Unit.
  • Easy Connection: DTM 8-Pin connector allows for straightforward setup with ReFlex+ Install Harnesses.

Turner Motorsport's harness ensures efficient and reliable performance, streamlining the process of integrating your ReFlex+ Control Unit with your BMW B58 engine.

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Genuine BMW - Corporate Logo
T#:14837
Part#: 12410392577
In Stock
2% off MSRP $ 24.30

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

$ 23.89 USD
Free Shipping on orders $49 and up
2% off MSRP
$ 24.30

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

$ 23.89 USD
Free Shipping on orders $49 and up

Turner recommends replacing these bolts when replacing your starter as these bolts are aluminum and torque to yield - making them one time use bolts.

We recommend the Bosch replacement starter to get your vehicle back on the road.

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Genuine BMW - Corporate Logo
T#:10501
Part#: 61146971370
In Stock
5% off MSRP $ 127.59

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

$ 120.99 USD
Free Shipping
5% off MSRP
$ 127.59

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

$ 120.99 USD
Free Shipping
This is found on the top of the battery

Motiv Motorsports - Corporate Logo
T#:29101684
Part#: 900.1001
In Stock
$ 729.00 USD
Free Shipping on orders $49 and up
The motive ReFlex+ Control Unit is an advanced I/O integration module that allows precise control of aftermarket components and sends data to the factory DME (ECU) via CANbus communication, expanding performance tuning capabilities. This control unit allows for precise control of fuel pumps, methanol injection kits, nitrous kits, boost controllers, relay triggers, port injection systems, flex fuel systems, and more. Supporting sequential port injection for up to eight injectors and real-time monitoring of injectors, this unit is a great choice for precise control of fuel delivery to your engine.
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Bosch - Corporate Logo
T#:373840
Part#: 12317559183
In Stock
$ 37.36 USD
Free Shipping on orders $49 and up

Ensure the correct voltage is being sent to/from the alternator, keep you electrical system safe from excessive voltage peaks that could cause damage to sensitive electronics and blow out fuses. Bosch's high quality unit will give you peace of mind knowing the electrical system will be safe and the voltage will remain steady. OEM replacement for BMW part # 12317559183 and 12317501752.

Cars that have oval or D shaped connector use BMW part # 12317515319

Bosch is one of the largest OEM producers of Genuine BMW and aftermarket parts in the world, providing parts for almost every major automotive manufacturer. Bosch has likely supplied many of the original electrical (and mechanical) parts for your BMW. Thanks to their quality, high durability, and reliability, you should expect a long service life from Bosch products.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

Show More Show Less

Genuine BMW - Corporate Logo
T#:201976
Part#: 12427614083
In Stock
2% off MSRP $ 60.99

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

$ 59.99 USD
Free Shipping on orders $49 and up
2% off MSRP
$ 60.99

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

$ 59.99 USD
Free Shipping on orders $49 and up

In search of Genuine BMW Ground Cable? Look no further! This ground cable is an authentic BMW part, designed to ensure optimal electrical connectivity in your BMW vehicle. Crafted with precision engineering and high-quality materials, it provides reliable performance and durability. Upgrade your BMW's electrical system with this genuine ground cable and enjoy enhanced safety and functionality on the road.

  • Genuine BMW part
  • Ensures optimal electrical connectivity
  • Precision engineering for reliable performance
  • High-quality materials ensure durability
  • Enhances safety and functionality


Genuine BMW Ground Cable -
This item fits the following BMW Chassis:
F22,F30,F31,F32,F33,F34,F36

Fits BMW Engines including:
N20,N26,N55

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Genuine BMW - Corporate Logo
T#:39357
Part#: 12421737755
Ships in 1-2 days
2% off MSRP $ 42.99

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

$ 41.99 USD
Free Shipping on orders $49 and up
2% off MSRP
$ 42.99

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

$ 41.99 USD
Free Shipping on orders $49 and up


Genuine BMW Ground Cable - L=380Mm
This item fits the following BMW Chassis:
E36 M3,E46 M3,E85 Z4M,E30,E34,E36,E38,E39,E46,E85 Z4,E86 Z4

Genuine BMW - Corporate Logo
T#:13104
Part#: 12617607910
In Stock
14% off MSRP $ 298.81

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

$ 257.99 USD
Free Shipping
14% off MSRP
$ 298.81

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

$ 257.99 USD
Free Shipping
This is the oil level sensor / sender for BMW E9X E53 E65 E70 E71 E82 E83 When this part fails it will illuminate a check light on the dash which indicates it needs to be replaced. Includes o-ring.
Genuine BMW - Corporate Logo
T#:12480
Part#: 12147539165
In Stock
9% off MSRP $ 228.86

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

$ 208.24 USD
Free Shipping
9% off MSRP
$ 228.86

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

$ 208.24 USD
Free Shipping

Located on the intake side of the cylinder head, this sensor relays the position of the camshaft to the computer in order to determine proper ignition timing. When this sensor fails the engine will generally log a fault code and may place the vehicle into "limp" mode. When this happens it is advised to stop driving the vehicle and address the issue immediately as premature wear or long term damage to the engine is possible.

When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

OE BMW reference number: 12147539165
 

We also carry a this sensor with the required o ring Here

This part fits the following BMWs:
1998 - 2004 E39 Touring 525i 528i 
1996 - 2004 E39 Sedan 525i 528i 530i  
1999 - 2006 E46  323i 323ci 325i 325ci 325xi 328i 328ci 328xi 330i 330ci 330xi 

 

 

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Genuine BMW - Corporate Logo
T#:39392
Part#: 12423420477
Ships in 1-2 days
1% off MSRP $ 66.99

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

$ 65.99 USD
Free Shipping on orders $49 and up
1% off MSRP
$ 66.99

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

$ 65.99 USD
Free Shipping on orders $49 and up


Genuine BMW Ground Cable -
This item fits the following BMW Chassis:
E83 X3

Fits BMW Engines including:
M54,N52N

Genuine BMW - Corporate Logo
T#:20697
Part#: 13627834713
Ships in 1-2 days
$ 463.50

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

$ 375.89 USD
Free Shipping
$ 375.89 USD
Free Shipping


Genuine BMW Control Unit For Ionic Current
This item fits the following BMW Chassis:
E60 M5,E63 M6,E63

Fits BMW Engines including:
S85

Genuine BMW - Corporate Logo
T#:14043
Part#: 61366901469
In Stock
3% off MSRP $ 24.65

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

$ 23.81 USD
Free Shipping on orders $49 and up
3% off MSRP
$ 24.65

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

$ 23.81 USD
Free Shipping on orders $49 and up


Genuine BMW Relay, Make Contact, Black
This item fits the following BMW Chassis:
E60 M5,E63 M6,E70 X5M,E71 X6M,E82 1M Coupe,E53 48IS,E39,E46,E53 X5,E63,E70 X5,E71 X6,E82,E89 Z4,E90,E92,E93,F01,F02,F06,F10,F12,F13,F25 X3,F26 X4,i3i12

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Genuine BMW - Corporate Logo
T#:39442
Part#: 12427557027
Ships in 1-2 days
3% off MSRP $ 60.99

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

$ 58.99 USD
Free Shipping on orders $49 and up
3% off MSRP
$ 60.99

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

$ 58.99 USD
Free Shipping on orders $49 and up


Genuine BMW Ground Cable - Motorraum
This item fits the following BMW Chassis:
E70 X5M,E71 X6M,E70 X5 X5,E71 X6,F15

Fits BMW Engines including:
M57,N52N,N54,N63,N63N,S63,N62N

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Genuine BMW - Corporate Logo
T#:22009
Part#: 61128373946
In Stock
2% off MSRP $ 58.99

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

$ 57.99 USD
Free Shipping on orders $49 and up
2% off MSRP
$ 58.99

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

$ 57.99 USD
Free Shipping on orders $49 and up


Genuine BMW Battery Cable Negative
This item fits the following BMW Chassis:
E46 M3,E46,E85 Z4,E86 Z4

Bosch - Corporate Logo
T#:384364
Part#: 12412354693
In Stock
$ 269.99 USD
Free Shipping
$ 269.99 USD
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If your car won't turn over, there is a good chance your starter is shot. Bosch's OEM starter is a high quality replacement that will give you peace of mind thanks to its long life-span. OEM replacement for BMW part # 12412354693, 12412344242, 12412167996.

Bosch is one of the largest OEM producers of Genuine BMW and aftermarket parts in the world, providing parts for almost every major automotive manufacturer. Bosch has likely supplied many of the original electrical (and mechanical) parts for your BMW. Thanks to their quality, high durability, and reliability, you should expect a long service life from Bosch products.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

For BMW's with the M54 engine with a production date from 09/2002.

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Bosch - Corporate Logo
T#:2275
Part#: SR443X
In Stock
$ 230.99

This product was last offered at the strikethrough price on
08-19-2026

$ 216.99 USD
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$ 216.99 USD
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Bosch is one of the largest OEM producers of Genuine BMW and aftermarket parts in the world, providing parts for almost every major automotive manufacturer. Bosch has likely supplied many of the original electrical (and mechanical) parts for your BMW. Thanks to their exacting assembly process and high level of durability you can expect a long service life from all Bosch products.

This genuine Bosch Starter motor fits the following BMWs:
1987-1991 E30 3 Series 325i 325is 325ix 325ic
1989-1987-1988 E30 3 Series 325e 325es 12/1986-1988
1989-1990 E34 5 Series 525i M20 engine only
1987-1988 E28 5 Series 528e 12/1986-1988

 

Includes $45 core charge to be refunded on return of your rebuildable core.

 

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Motiv Motorsports - Corporate Logo
T#:29234298
Part#: 910.1011
In Stock
$ 479.00 USD
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The ReFlex LITE is a simple yet elegant fueling solution for direct injected vehicles that need to add more fuel by installing a port injection system to keep up with their modifications to the vehicle. Using the same precise form of sequential fuel injection as the ReFlex+, the ReFlex LITE brings a more affordable fuel controller without the additional features of the ReFlex+. Sequential port fuel injection for inline-6 engines Firmware and maps are available for multiple vehicles FREE on our website High resolution calibration tables 24x24 cell RPM vs MAP 0-48psi MAP pressure range 250RPM increments up to 8500RPM High resolution datalogging Fault detection status available to monitor in TunerPRO RT Compact in size Universal fitment Simple installation Please Note: The ReFlex LITE does NOT have the ability to analyze and transmit ethanol content to an ECU.
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Genuine BMW - Corporate Logo
T#:21289
Part#: 61218353010
In Stock
3% off MSRP $ 112.99

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

$ 109.99 USD
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3% off MSRP
$ 112.99

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

$ 109.99 USD
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Genuine BMW Battery Hold Down
This item fits the following BMW Chassis:
E36 M3,E36


Genuine BMW - Corporate Logo
T#:22419
Part#: 12511714039
Ships in 1-2 days
2% off MSRP $ 47.99

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

$ 46.99 USD
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2% off MSRP
$ 47.99

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

$ 46.99 USD
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Genuine BMW Ground Cable - 235mm

This item fits the following BMW Chassis:
E30 M3,E30

Fits BMW Engines including:
M10,M20,S14

Genuine BMW - Corporate Logo
T#:12665
Part#: 13627525014
In Stock
9% off MSRP $ 166.83

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

$ 151.53 USD
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9% off MSRP
$ 166.83

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

$ 151.53 USD
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This is the a replacement camshaft sensor for BMW's with N20 N26 N51 N52 N54 N55 N63 S55 S63 engines. This can be used for either the exhaust or intake camshaft.
Genuine BMW - Corporate Logo
T#:186551
Part#: 61217631587
In Stock
$ 25.88 USD
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$ 25.88 USD
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The hold down bracket secures the battery in the battery tray to keep it from sliding around.


Genuine BMW - Corporate Logo
T#:367850
Part#: 13627525015
Ships in 1-2 days
16% off MSRP $ 175.17

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

$ 146.99 USD
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16% off MSRP
$ 175.17

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

$ 146.99 USD
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This crankshaft position sensor (CPS) provides the engine computer with engine speed data via the harmonic balancer. It mounts off the engine block and reads the front crank pulley to tell the engine what position the engine internals are in. This sensor is crucial for starting the car as the ECU will not allow the engine to start without this signal.
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Battery
This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shi
Genuine BMW - Corporate Logo
T#:533293
Part#: 84102447710
In Stock
3% off MSRP $ 119.99

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

$ 115.99 USD
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3% off MSRP
$ 119.99

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

$ 115.99 USD
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Genuine BMW - Corporate Logo
T#:10013
Part#: 51711380391
In Stock
$ 67.19 USD
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$ 67.19 USD
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Genuine BMW Covering Wire Harnes Engine
This item fits the following BMW Chassis:
E30 M3,E30


Genuine BMW - Corporate Logo
T#:39452
Part#: 12427568573
In Stock
3% off MSRP $ 32.99

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

$ 31.99 USD
Free Shipping on orders $49 and up
3% off MSRP
$ 32.99

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

$ 31.99 USD
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A suppression cable is a ground wire that typically runs to the exhaust system. A corroded band can cause several issues if left untreated.

Genuine BMW - Corporate Logo
T#:366899
Part#: 12141730773
Ships in 1-2 days
5% off MSRP $ 240.00

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

$ 226.99 USD
Free Shipping on orders $49 and up
5% off MSRP
$ 240.00

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

$ 226.99 USD
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This flywheel position sensor provides the ECU with the engine speed signal. There are 2 of these sensors per car. Sold individually.
When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

This item fits the following BMWs:
1986-1987 E30 BMW 325e 325es
1986-12/1986 E28 BMW 528e

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Genuine BMW - Corporate Logo
T#:39499
Part#: 12427840580
In Stock
3% off MSRP $ 60.99

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

$ 58.99 USD
Free Shipping on orders $49 and up
3% off MSRP
$ 60.99

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

$ 58.99 USD
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Genuine BMW Ground Cable -
This item fits the following BMW Chassis:
E90,E92,E93

Fits BMW Engines including:
S65


Bosch - Corporate Logo
T#:370775
Part#: 12317831436
In Stock
$ 322.99

This product was last offered at the strikethrough price on
08-23-2026

$ 293.99 USD
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$ 293.99 USD
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A replacement Bosch alternator for the 2001-2006 M3. Bosch is an original equipment supplier to BMW, and is the finest and most recognized German brand of alternator available. The Original BMW alternator sells for over double! Buy only the best alternator for your BMW -- buy a Bosch alternator. This is an OEM replacement for BMW part # 12317831436.

Bosch is one of the largest OEM producers of Genuine BMW and aftermarket parts in the world, providing parts for almost every major automotive manufacturer. Bosch has likely supplied many of the original electrical (and mechanical) parts for your BMW. Thanks to their quality, high durability, and reliability, you should expect a long service life from Bosch products.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

A $80.00 refundable core charge must be applied to this alternator. Upon receipt of your rebuildable alternator core, you will be refunded the core charge. 

This item fits the following BMWs:
2001-2006 E46 BMW M3, M3 Convertible
2001-2002 Z3 BMW M Roadster M Coupe

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Genuine BMW - Corporate Logo
T#:25048
Part#: 11127559699
In Stock
17% off MSRP $ 31.69

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

$ 26.15 USD
Free Shipping on orders $49 and up
17% off MSRP
$ 31.69

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

$ 26.15 USD
Free Shipping on orders $49 and up
This seal plug is installed in the valve cover of N52 engines and is supposed to prevent oil from leaking out. But the rubber plug loosens or becomes dislodged over time and oil does seep out of the valve cover and eventually into the sensor itself (destroying a very expensive sensor). In extreme neglect oil will contaminate the engine wiring harness or even the DME itself. During any valve cover work we recommend checking for oil inside the sensor or around this plug and replace the plug during any valve cover gasket work. It's cheap insurance against an expensive contaminated eccentric shaft sensor.
When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

This item fits the following BMWs:
2008+ E82 BMW 128i
2007-2011 E90 BMW 328i 328xi 328i xDrive - Sedan
2007-2012 E91 BMW 328i 328xi 328i xDrive - Wagon
2007-2013 E92 BMW 328i 328xi 328i xDrive - Coupe
2007-2013 E93 BMW 328i - Convertible
2007-2010 E60 BMW 528i 528xi 528i xDrive
2011 F10 BMW 528i 528i xDrive
2007-2010 E83 BMW X3 3.0i X3 3.0si
2007-2013 E70 BMW X5 3.0si
2007-2008 E85 BMW Z4 3.0i Z4 3.0si
2009-2010 Z4 BMW Z4 sDrive30i
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Bosch - Corporate Logo
T#:19326
Part#: 12311726022
In Stock
$ 71.99 USD
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This is the voltage regulator found on the back of the alternator. It's a normal wear item and the contacts are the first thing to check if you believe the alternator is not charging the battery (lights flickering or dim, battery light on in the dash, the engine quits without warning, or other electrical failures). The voltage regulator manages the voltage flowing through the car, especially to and from the battery. There are two carbon contacts on the regulator that control the magnetic field when the alternator is spinning and these contacts wear over time. A new set of contacts will be about 13mm in length. Anything less than 5mm and the voltage regulator should be replaced, regardless if that is the cause of your electrical problems or not. Most older mechanics will tell you to keep a spare regulator in your toolbox.

The carbon contacts can be replaced on their own but requires desoldering the old ones from the base and then soldering the new ones on. It may be easier to just replace the unit as a whole.

This is the OEM voltage regulator, made by Bosch or Hella. It's the one with the white base and fits most Bosch alternators from 1977-1995 (Valeo and other alternators look very different and have a black cover and base). This part number replaces the previous BMW part numbers - 12311271664, 12321279548, 12311722755, 12321711399 and Bosch part numbers 1197311021 and 1197311028.
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Genuine BMW - Corporate Logo
T#:24291
Part#: 61129123572
Ships in 1-2 days
$ 23.99 USD
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$ 23.99 USD
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When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.


Genuine BMW Adapter Lead Ibs
This item fits the following BMW Chassis:
E60 M5,E63 M6,E63
 

 

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Genuine BMW - Corporate Logo
T#:39998
Part#: 12517615476
Ships in 1-2 days
4% off MSRP $ 73.99

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

$ 70.99 USD
Free Shipping on orders $49 and up
4% off MSRP
$ 73.99

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

$ 70.99 USD
Free Shipping on orders $49 and up
Connects to the IBS system for information relay to the DME via the BSD Interface.
Genuine BMW - Corporate Logo
T#:632359
Part#: 84109843931
Ships in 5 Business Days
2% off MSRP $ 913.99

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

$ 896.99 USD
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2% off MSRP
$ 913.99

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

$ 896.99 USD
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Discover the Turner Motorsport Genuine BMW Telematics Control Unit, a vital component for top-notch connectivity and functionality in your BMW. Carefully designed to seamlessly integrate into your vehicle's system, this unit guarantees optimal performance and compatibility, enhancing the overall driving experience.

  • Genuine BMW Telematics Control Unit for guaranteed quality.
  • Ensures top-notch connectivity for enhanced functionality.
  • Seamlessly integrates into your BMW's system.
  • Optimizes performance and compatibility.
  • Elevates the overall driving experience.

Upgrade your BMW's connectivity with the Turner Motorsport Genuine BMW Telematics Control Unit for a superior and integrated driving experience.

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Genuine BMW - Corporate Logo
T#:7159
Part#: 12521702102
Ships in 1-2 days
5% off MSRP $ 41.99

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

$ 39.99 USD
Free Shipping on orders $49 and up
5% off MSRP
$ 41.99

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

$ 39.99 USD
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Genuine BMW Base B+
This item fits the following BMW Chassis:
E39 M5,E38,E39

Fits BMW Engines including:
M60,M62,S62

Genuine BMW - Corporate Logo
T#:11920
Part#: 61358364690
In Stock
3% off MSRP $ 115.99

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

$ 112.99 USD
Free Shipping
3% off MSRP
$ 115.99

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

$ 112.99 USD
Free Shipping
When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.
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