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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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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

Ambient Temp. Sensor

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T#:31589381

Part#: 65816905133

In Stock

$ 20.99 USD

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$ 20.99 USD

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FAE Exhaust Camshaft Position Sensor

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T#:1196088

Part#: 13627796054

Ships on Nov 20, 2026

$ 74.99

This product was last offered at the strikethrough price on
09-16-2026

$ 54.99 USD

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$ 54.99 USD

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Located on rear of the cylinder head, sensing the exhaust cam

FAE Reference Sensor - E23, E24, E28, E30

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T#:583144

Part#: 12141708619

Ships on Nov 23, 2026

$ 63.99 USD

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$ 63.99 USD

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Referred to as the speed sensor & crankshaft position sensor

FAE Crankshaft Position Sensor - E34, E36

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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

Crank Position Sensor

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T#:31125631

Part#: 13627561753

In Stock

$ 50.99 USD

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$ 50.99 USD

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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

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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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AUTOTECKNIC Dry Carbon Fiber Battery Terminal Cover - G87 M2 ...

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T#:21012623

Part#: ATK-BM-0420-G87

Ships in 8 Business Days

$ 495.00 USD

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$ 495.00 USD

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The boldly styled G87 already touts carbon features but carbon fiber is not very often displayed in the engine bay. If you are looking to give your engine bay some carbon spark, AUTOTECKNIC introduces you to their dry carbon battery terminal cover to beautify your engine bay and bring a smile to your face every time you open the hood of your S58 monster! Made from high-quality carbon, this product is sure to stand the test of time!

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Vargas Plug & Play Pre And Post Throttle MAP Sensor Kit - 6B 4W - BMW...

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T#:52129729

Part#: VTT56BSENSKIT64

Ships on Nov 16, 2026

$ 209.99 USD

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$ 209.99 USD

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The VTT 6-Bar MAP sensor kit provides the necessary overhead to monitor boost levels with a linear voltage scale that makes software calibration straightforward.

Vargas MAP Sensor Extension Harness - BMW B58, N54, N55, S55, S58, S6...

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T#:51672717

Part#: VTT-MAP-HARNESS

Ships on Nov 16, 2026

$ 59.99 USD

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$ 59.99 USD

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As part of the VTT-FAB fabrication line, this extension harness is designed for builders and tuners who need flexibility.

Vargas Coolant Level Extension Harness - BMW B48/B58/S58

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T#:51813310

Part#: VTT-FAB-HC

Ships on Nov 16, 2026

$ 49.99 USD

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$ 49.99 USD

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Simplify your next fabrication project with the VTT-FAB series Coolant Extension Harness.

Vargas Turbo Technologies USB To Serial For HPFP Controller - N54-USB...

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T#:51778112

Part#: N54-USB-SERIAL-H

Ships on Nov 16, 2026

$ 37.99 USD

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$ 37.99 USD

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Take full control of your N54’s fueling system with the Vargas Turbo Technologies USB to Serial adapter.

High Performance AGM Battery Optima REDTOP - 35

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T#:26238452

Part#: OPT-35

Special Order: No Guaranteed ETA

$ 332.99 USD

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$ 332.99 USD

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Elevate your Mini's performance with the REDTOP High-Performance AGM Battery, the ultimate starting battery designed to ensure a reliable ignition every time. Engineered for strong starting bursts, this battery offers high-power delivery and extreme resistance to common causes of battery failure. Enjoy key benefits including up to 3X longer life, 15 times more vibration resistance, virtually spill-proof design, and mountability in any position. With maintenance-free operation and faster recharging, this battery provides optimal starting power for your Mini.

Strongest starting burst for reliable ignition
Up to 3X longer life for extended durability
15 times more vibration resistance for enhanced reliability
Virtually spill-proof design for peace of mind
Mountable in virtually any position for convenience
Maintenance-free operation for hassle-free use
Faster recharging for minimal downtime
Optimal starting power for your Mini

Specs:

Weight: 31.7 lbs
Reserve Capacity: 44 Ah
Post Type: SAE Post
CCA: 720 Amp
Width: 6.75 in
Length: 9.38 in
Height: 7.69 in

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

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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 24, 2026

$ 7.13 USD

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$ 7.13 USD

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OIL PRESSURE SWITCH

FAE Oil Pressure Switch - M12x1.5

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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

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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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