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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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BMW E6X / E8X / E9X - N52 Replacement Starter Kit

10X Entries Into Our F80 M3 Sweepstakes 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#:15777314

Part#: SR0492NKT2-KT

In Stock

Sale - Save 5% $ 284.99

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

$ 269.62 USD

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Sale - Save 5%

$ 284.99

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

$ 269.62 USD

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Is your car having trouble starting? Does your starter click when you turn the key? Sounds like it's time for a new starter motor! Includes new starter with no core charge, intake gaskets, throttle body gasket and hardware.

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FAE Crankshaft Position Sensor

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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

Voltage Regulator

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T#:594108

Part#: 12317603775

Ships in 2 Business Days

$ 71.56

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

$ 64.00 USD

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$ 64.00 USD

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Have you noticed inconsistent electrical power in your interior lately? Your voltage regulator is responsible for maintaining a constant voltage out from the alternator.

FAE Reference Sensor - E23, E24, E28, E30

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T#:583144

Part#: 12141708619

Ships on Nov 20, 2026

$ 63.99 USD

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$ 63.99 USD

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Referred to as the speed sensor & crankshaft position sensor

Bosch Starter Motor With Hardware

10X Entries Into Our F80 M3 Sweepstakes 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#:56110332

Part#: SR0492NKT4

In Stock

$ 273.99

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

$ 261.99 USD

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$ 261.99 USD

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At the core is a brand-new Bosch Starter Motor, engineered to withstand extreme operating conditions while delivering immediate cranking speed. This kit includes also the required Genuine BMW Aluminum Mounting Screw Set.

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Valvetronic Camshaft Adjuster replacement kit

10X Entries Into Our F80 M3 Sweepstakes 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#:15677492

Part#: 11127556161-KT

In Stock

Sale - Save 19% $ 220.99

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

$ 179.28 USD

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Qty

Sale - Save 19%

$ 220.99

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

$ 179.28 USD

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Valv-tronic adjuster unit, Changes the the timing shaft to adjust the valve timing.

Valeo Voltage Regulator - Valeo - E53, E60, E63, E64, E70

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T#:1196078

Part#: 12318510090

Ships in 2 Business Days

$ 92.82

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

$ 83.01 USD

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$ 83.01 USD

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OEM replacement for you BMW alternator fixing charging issues

Eccentric Shaft Sensor Kit

10X Entries Into Our F80 M3 Sweepstakes 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#:15677508

Part#: 11127581215-KT

In Stock

Sale - Save 18% $ 270.16

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

$ 221.57 USD

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Qty

Sale - Save 18%

$ 270.16

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

$ 221.57 USD

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The eccentric shaft sensor is known to fail and can be a costly repair at the dealer. Often caused by oil getting into the connection for the wiring harness and damaging the sensor and causing a check engine light. With this kit you get the the sensor along with new valve cover and eccentric shaft adjuster gaskets to ensure a complete leak free job.

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Alternator

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T#:594101

Part#: 12318570672

Ships in 2 Business Days

$ 1,094.99

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

$ 1,062.99 USD

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$ 1,062.99 USD

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Replacement Alternator from Valeo

FAE Crankshaft Position Sensor - E34, E36

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#:375961

Part#: 12141726066

Ships in 1-2 days

$ 56.99

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

$ 55.00 USD

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$ 55.00 USD

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

Stop Light Switch

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T#:31092548

Part#: 61316967601

In Stock

$ 15.99 USD

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$ 15.99 USD

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Water / Oil Temperature Sensor - E46, E90 E92 E39 and more

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#:7256

Part#: 13621433076

In Stock

$ 16.99

This product was last offered at the strikethrough price on
09-26-2026

$ 14.99 USD

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$ 14.99 USD

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This coolant / oil temperature sensor is mounted in the cylinder head and/or the oil filter housing and/or water pump/ thermostat housing. Also used as an oil temperature sensor on cars with SMG transmissions.

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Remanufactured Alternator - 170A

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T#:594098

Part#: 12317802929

Ships in 1-2 days

$ 541.55

This product was last offered at the strikethrough price on
09-22-2026

$ 515.75 USD

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$ 515.75 USD

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Replacement Alternator from Valeo

FAE Air Temperature Sensor - E36, E38, E39, E46, E53, E83

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#:596540

Part#: 13621739510

In Stock

$ 12.99 USD

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$ 12.99 USD

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Monitors intake air temperature

FAE Oil Pressure Switch - E10, E12, E21, E23, E24, E28, E30

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T#:16202

Part#: 61311354274

Ships on Nov 23, 2026

$ 7.13 USD

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$ 7.13 USD

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OIL PRESSURE SWITCH

MINI N14 N18 Alternator - 120 Amp 439617

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T#:28803228

Part#: 12317619254

Ships on Nov 23, 2026

$ 374.99 USD

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$ 374.99 USD

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MINI N14 N18 Alternator is an essential component for powering the electrical system of your Mini. Engineered to provide reliable performance, this alternator ensures your Mini stays running smoothly. Upgrade your Mini with this genuine alternator for dependable power generation.

Powers the electrical system
Reliable performance
Ensures smooth operation
Genuine Mini part

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FAE Oil Pressure Switch - M12x1.5

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#:377029

Part#: 12612367061

Back Ordered

$ 5.99 USD

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$ 5.99 USD

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Leaking or malfunctioning oil pressure switches can be disastrous

FAE Oil Pressure Switch - M12x1.5

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#:374049

Part#: 12617568480

Back Ordered

$ 7.99 USD

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$ 7.99 USD

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Leaking or malfunctioning oil pressure switches can be disastrous

Flywheel Pickup - Mounts In Bell Housing - 2 Per Car - Sold Individua...

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T#:578903

Part#: 12141710668A

Back Ordered

$ 43.99 USD

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$ 43.99 USD

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Alternator

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
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T#:594102

Part#: 12311247288

Back Ordered

$ 547.99

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

$ 389.23 USD

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$ 389.23 USD

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Replacement Alternator from Valeo

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