BMW Electrical Sensors, Switches, & Relays for BMW 6 Series F12 (2012+)

Clear BMW chassis

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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OEM Bosch Mass Air Flow Sensor (MAF) -- N20 N26 S55 S63 B38 B46 Z4 ...

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:389744

Part#: 13627602038

In Stock

$ 246.99

This product was last offered at the strikethrough price on
07-16-2026

$ 244.99 USD

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$ 244.99 USD

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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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FAE Crankshaft Position Sensor

T#:583140

Part#: 13627525015

In Stock

$ 45.99 USD

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$ 45.99 USD

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Having a crank but no starting issue? This sensor is often the culprit

Ambient Temp. Sensor

T#:31589381

Part#: 65816905133

In Stock

$ 20.99 USD

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$ 20.99 USD

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Bosch Remanufactured Starter Motor - BMW N55 S55 3.0L

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:40004862

Part#: SR9521XKT

In Stock at Vendor

$ 465.99

This product was last offered at the strikethrough price on
05-07-2026

$ 454.99 USD

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$ 454.99 USD

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The advertised price includes a refundable $78 core charge 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. 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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OEM Bosch Remanufactured Alternator - AL9446X - F22/23 F30 F07/10 F06...

For vehicles with production date up to 03/2012

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:639677

Part#: 12317591530BKT

Back Ordered

$ 660.99

This product was last offered at the strikethrough price on
05-07-2026

$ 429.99 USD

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$ 429.99 USD

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*Price includes a refundable $85 Core Charge* The alternator in your vehicle keeps the battery at full charge when your engine is running. Because all of your electronic systems run off of this small piece, it's important that it is operational. If your lights are dim while driving or your battery dies within minutes of starting your car, it's time for a new alternator. 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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Stop Light Switch

T#:31092548

Part#: 61316967601

In Stock

$ 13.99 USD

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$ 13.99 USD

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15A Fuse - Priced Each

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:375327

Part#: 61131372626

In Stock at Vendor

$ 2.03 USD

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$ 2.03 USD

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Hitachi Camshaft Position Sensor - BMW E9X F3X F8X N20 N52 N55 S55 ...

T#:48815454

Part#: 13627525014

Ships in 7 Business Days

$ 40.00 USD

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$ 40.00 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 Engine Crankshaft Position Sensor - BMW N52 N54 S85 S65 S63 ...

T#:48815471

Part#: 13627525015

Ships in 7 Business Days

$ 66.99 USD

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$ 66.99 USD

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The crankshaft position sensor transmits the crankshaft's position 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 crank position sensor.

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Hitachi Engine Crankshaft Position Sensor - BMW F2X F3X

T#:48850074

Part#: 13627582842

Ships in 7 Business Days

$ 184.99 USD

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$ 184.99 USD

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Engine cranks but doesn't start? This sensor is often the issue.

OEM Bosch Remanufactured Alternator (215 amp) - AL9450X - F22 F3X F07...

For vehicles with production date from 03/2012

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:639763

Part#: 12317616121BKT

Ships on Aug 17, 2026

$ 689.99

This product was last offered at the strikethrough price on
04-12-2026

$ 558.99 USD

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$ 558.99 USD

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*Price includes a refundable $100 Core Charge* The alternator in your vehicle keeps the battery at full charge when your engine is running. Because all of your electronic systems run off of this small piece, it's important that it is operational. If your lights are dim while driving or your battery dies within minutes of starting your car, it's time for a new alternator. 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! Bosch Part Numbers: AL9450X, 0986UR6231 Replaces the following BMW part numbers: 12317616119, 12317616121

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OEM Bosch Remanufactured Starter - SR9523X

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:639737

Part#: 12417618620BKT

Ships on Aug 17, 2026

$ 386.99

This product was last offered at the strikethrough price on
05-08-2026

$ 378.00 USD

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$ 378.00 USD

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*Price includes a refundable $75 Core Charge* 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. 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! Bosch Part Numbers: SR9523X, 0986UR1770 Replaces the following BMW part numbers: 12417612815, 12417618620

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OEM Bosch Remanufactured Starter - SR3295X - F07/10 F12/13 F01/02 E70...

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:639655

Part#: 12417577257KT

Ships on Aug 17, 2026

$ 461.99

This product was last offered at the strikethrough price on
05-08-2026

$ 453.99 USD

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Qty

$ 453.99 USD

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*Price includes a refundable $120 Core Charge* 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. 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

OEM Bosch Remanufactured Alternator - AL9445X - E70/71 F01/02 F07/10 ...

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:639671

Part#: 12317603782BKT

In Stock at Vendor

$ 674.99

This product was last offered at the strikethrough price on
05-08-2026

$ 657.99 USD

Add to Wish List

Qty

$ 657.99 USD

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*Price includes a refundable $75 Core Charge* The alternator in your vehicle keeps the battery at full charge when your engine is running. Because all of your electronic systems run off of this small piece, it's important that it is operational. If your lights are dim while driving or your battery dies within minutes of starting your car, it's time for a new alternator. 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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BMW Electrical Sensors, Switches, & Relays for BMW 6 Series F12 (2012+)

Sub-Categories

OEM Bosch Mass Air Flow Sensor (MAF) -- N20 N26 S55 S63 B38 B46 Z4 ...

FAE Crankshaft Position Sensor

Ambient Temp. Sensor

Bosch Remanufactured Starter Motor - BMW N55 S55 3.0L

OEM Bosch Remanufactured Alternator - AL9446X - F22/23 F30 F07/10 F06...

Stop Light Switch

15A Fuse - Priced Each

Hitachi Camshaft Position Sensor - BMW E9X F3X F8X N20 N52 N55 S55 ...

Hitachi Engine Crankshaft Position Sensor - BMW N52 N54 S85 S65 S63 ...

Hitachi Engine Crankshaft Position Sensor - BMW F2X F3X

OEM Bosch Remanufactured Alternator (215 amp) - AL9450X - F22 F3X F07...

OEM Bosch Remanufactured Starter - SR9523X

OEM Bosch Remanufactured Starter - SR3295X - F07/10 F12/13 F01/02 E70...

OEM Bosch Remanufactured Alternator - AL9445X - E70/71 F01/02 F07/10 ...

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