BMW Electrical Sensors, Switches, & Relays for BMW 4 Series F36 (2015+)

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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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Knock Sensor
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Bosch - Corporate Logo
T#:54388475
Part#: 13627636937
In Stock
New Item
$ 29.99 USD
Free Shipping on orders $49 and up
Keep your ignition timing razor-sharp and your engine safe from destructive detonation. This replacement Knock Sensor acts as your engine's first line of defense, constantly listening for pre-ignition "pinging" or knocking.
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Hitachi Camshaft Position Sensor - BMW E9X F3X F8X N20 N52 N55 S55 ...
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Hitachi - Corporate Logo
T#:48815454
Part#: 13627525014
Ships in 6 Business Days
New Item
$ 40.00 USD
Free Shipping on orders $49 and up
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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Battery Cable - With Pole
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Bapmic - Corporate Logo
T#:54388517
Part#: 61129259425
In Stock at Vendor
New Item
$ 126.99 USD
Free Shipping on orders $49 and up
On the track or on the street, your BMW’s electrical architecture demands absolute consistency. A degraded positive battery cable introduces unwanted resistance, leading to weak starts, alternator strain, and erratic module behavior. When it’s time to replace a compromised factory cable, you don’t need over-hyped marketing—you need a part that fits precisely and restores factory grid integrity.
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Hitachi Crankshaft Sensor - BMW B46 B48 B58
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Hitachi - Corporate Logo
T#:48850081
Part#: 13627806782
Ships in 6 Business Days
New Item
$ 81.99 USD
Free Shipping on orders $49 and up
Tells the computer whether the timing is correct in the engine.

Knock Sensor
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Meyle - Corporate Logo
T#:55353615
Part#: 12141716055
Special Order: No Guaranteed ETA
New Item
$ 28.99 USD
$ 28.99 USD
This Meyle replacement knock sensor is the perfect solution for keeping your high-performance engine safe and running at its absolute peak.
Wire Pinning Kit - MLK 1.2 Female Jack
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Genuine BMW - Corporate Logo
T#:55281746
Part#: 125275WRKT
Ships in 8 Business Days
New Item
$ 37.40 USD
Free Shipping on orders $49 and up
This Genuine BMW wiring repair kit is the ideal solution to refresh worn-out terminal connections in your Ultimate Driving Machine.

Crankshaft Position Sensor
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Meyle - Corporate Logo
T#:55030834
Part#: 3148100013
Ships on Oct 30, 2026
New Item
$ 36.99 USD
Free Shipping on orders $49 and up
This Meyle Crankshaft Position Sensor is the perfect solution for restoring the critical engine speed data your ECU relies on.
Meyle Crankshaft Pulse Sensor - BMW EXX, FXX
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Meyle - Corporate Logo
T#:52762518
Part#: 314810014
Special Order: No Guaranteed ETA
New Item
$ 19.99 USD
Free Shipping on orders $49 and up
Revitalize your vehicle’s performance and reliability with the MEYLE Crankshaft Pulse Sensor.

MEYLE Crank Position Sensor - BMW E46, E90
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Meyle - Corporate Logo
T#:52621846
Part#: MPS0126
Special Order: No Guaranteed ETA
New Item
$ 29.99 USD
Free Shipping on orders $49 and up
The Meyle MPS0126 Crankshaft Position Sensor is a robust replacement for aging or failing factory sensors that often trigger P0335 or P0339 trouble codes.

Vemo Crankshaft Position Sensor - BMW N20 N26 2.0L
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Vemo - Corporate Logo
T#:48815478
Part#: 13627595860
Special Order: No Guaranteed ETA
New Item
$ 24.99 USD
Free Shipping on orders $49 and up
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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Mass Air Flow Sensor (MAF) 0280218266
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URO - Corporate Logo
T#:48125822
Part#: 13627602038
Back Ordered
New Item
$ 90.99 USD
Free Shipping on orders $49 and up
Hitachi Crankshaft Position Sensor - BMW N20 N26 2.0L
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Hitachi - Corporate Logo
T#:48815475
Part#: 13627595860
Back Ordered
New Item
$ 68.99 USD
Free Shipping on orders $49 and up
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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