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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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Bosch Starter Motor With Hardware
Bosch Starter Motor With Hardware
Packaged by Turner - Corporate Logo
T#:56110332
Part#: SR0492NKT4
In Stock
New Item
$ 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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Knock Sensor
Knock Sensor
Bosch - Corporate Logo
T#:54388475
Part#: 13627636937
In Stock
New Item
$ 29.99 USD
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$ 29.99 USD
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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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Battery Cable - With Pole
Battery Cable - With Pole
Bapmic - Corporate Logo
T#:54388517
Part#: 61129259425
Ships in 2 Business Days
New Item
$ 126.99 USD
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$ 126.99 USD
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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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Knock Sensor
Knock Sensor
Meyle - Corporate Logo
T#:55353615
Part#: 12141716055
Special Order: No Guaranteed ETA
New Item
$ 28.99 USD
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$ 28.99 USD
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This Meyle replacement knock sensor is the perfect solution for keeping your high-performance engine safe and running at its absolute peak.
Crankshaft Pulse Sensor
Crankshaft Pulse Sensor
Meyle - Corporate Logo
T#:55030835
Part#: 3148100018
Ships on Oct 30, 2026
New Item
$ 15.99 USD
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$ 15.99 USD
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Keep your ultimate driving machine running the way it was engineered to with this reliable replacement.
Crankshaft Position Sensor
Crankshaft Position Sensor
Meyle - Corporate Logo
T#:55030834
Part#: 3148100013
Ships on Oct 30, 2026
New Item
$ 36.99 USD
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$ 36.99 USD
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This Meyle Crankshaft Position Sensor is the perfect solution for restoring the critical engine speed data your ECU relies on.
Meyle Exhaust Camshaft Position Sensor - BMW S54 S62
Meyle Exhaust Camshaft Position Sensor - BMW S54 S62
Meyle - Corporate Logo
T#:55497462
Part#: 3148000038
Ships on Nov 12, 2026
New Item
$ 26.99 USD
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$ 26.99 USD
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Don't let a failing camshaft position sensor rob your vehicle of power or cut your track day short. This Meyle replacement camshaft sensor is built to deliver fast, highly accurate data to the ECU, preventing the performance drops, sluggish throttle response, and rough idling caused by worn-out factory electronics. Engineered to withstand high underhood heat and intense vibrations, it keeps your ignition timing and fuel delivery tightly synced, whether you are daily driving or pushing through high-RPM pulls.
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Meyle Crankshaft Pulse Sensor - BMW EXX, FXX
Meyle Crankshaft Pulse Sensor - BMW EXX, FXX
Meyle - Corporate Logo
T#:52762518
Part#: 314810014
Special Order: No Guaranteed ETA
New Item
$ 19.99 USD
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$ 19.99 USD
Free Shipping on orders $49 and up
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Revitalize your vehicle’s performance and reliability with the MEYLE Crankshaft Pulse Sensor.
Meyle Camshaft Position Sensor - BMW i3
Meyle Camshaft Position Sensor - BMW i3
Meyle - Corporate Logo
T#:52762526
Part#: 3148100005
Special Order: No Guaranteed ETA
New Item
$ 30.99 USD
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$ 30.99 USD
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The MEYLE Camshaft Position Sensor restores the "timing" of your engine, ensuring your fuel is injected at the perfect millisecond.
MEYLE Crank Position Sensor - BMW E46, E90
MEYLE Crank Position Sensor - BMW E46, E90
Meyle - Corporate Logo
T#:52621846
Part#: MPS0126
Special Order: No Guaranteed ETA
New Item
$ 29.99 USD
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$ 29.99 USD
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The Meyle MPS0126 Crankshaft Position Sensor is a robust replacement for aging or failing factory sensors that often trigger P0335 or P0339 trouble codes.
Meyle Crank Position Sensor - E36, E34
Meyle Crank Position Sensor - E36, E34
Meyle - Corporate Logo
T#:55497425
Part#: 3148998003
Special Order: No Guaranteed ETA
New Item
$ 25.99 USD
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$ 25.99 USD
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Don't let a basic sensor keep your E36 or E34 off the tarmac—swap in this high-quality Meyle unit and drive with confidence.

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