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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
$ 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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BMW Alternator - SEG Automotive 0121.715.118
BMW Alternator - SEG Automotive 0121.715.118
SEG Automotive - Corporate Logo
T#:54851991
Part#: 12317560985
In Stock at Vendor
New Item
$ 1,049.99

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

$ 941.99 USD
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$ 941.99 USD
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MINI Alternator - SEG Automotive 0125.711.078
MINI Alternator - SEG Automotive 0125.711.078
SEG Automotive - Corporate Logo
T#:54851993
Part#: 12317613445
In Stock at Vendor
New Item
$ 564.99

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

$ 506.99 USD
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$ 506.99 USD
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BMW Alternator - SEG Automotive 0124.515.223
BMW Alternator - SEG Automotive 0124.515.223
SEG Automotive - Corporate Logo
T#:54851980
Part#: 12317519618
In Stock at Vendor
New Item
$ 503.99

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

$ 451.99 USD
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$ 451.99 USD
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BMW Alternator - SEG Automotive 0124.525.588
BMW Alternator - SEG Automotive 0124.525.588
SEG Automotive - Corporate Logo
T#:54851984
Part#: 12317541694
In Stock at Vendor
New Item
$ 521.99

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

$ 467.99 USD
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$ 467.99 USD
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BMW Starter - SEG Automotive 0001.108.460
BMW Starter - SEG Automotive 0001.108.460
SEG Automotive - Corporate Logo
T#:55857741
Part#: 12417610344
In Stock at Vendor
New Item
$ 368.99

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

$ 330.99 USD
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$ 330.99 USD
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MINI Alternator - SEG Automotive 0124.325.157
MINI Alternator - SEG Automotive 0124.325.157
SEG Automotive - Corporate Logo
T#:54851988
Part#: 12317550319
In Stock at Vendor
New Item
$ 473.99

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

$ 424.99 USD
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$ 424.99 USD
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Camshaft Speed Sensor
Camshaft Speed Sensor
Bremmen Parts - Corporate Logo
T#:52832891
Part#: 12141743072
In Stock
New Item
Sale - Save 20% $ 39.99

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

$ 31.99 USD
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Sale - Save 20%
$ 39.99

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

$ 31.99 USD
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Starter Motor
Starter Motor
Bremmen Parts - Corporate Logo
T#:55030826
Part#: 12412354693
Ships on Sep 28, 2026
New Item
$ 129.99 USD
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$ 129.99 USD
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Febi Engine Oil Level Sensor - 12617607909
Febi Engine Oil Level Sensor - 12617607909
Febi - Corporate Logo
T#:54816237
Part#: 12617607909
Special Order: No Guaranteed ETA
New Item
$ 121.99

This product was last offered at the strikethrough price on
06-10-2026

$ 95.99 USD
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$ 95.99 USD
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Reliable German replacement sensor keeps your BMW oil levels monitored.
Oil Level Sensor
Oil Level Sensor
Febi - Corporate Logo
T#:55857752
Part#: 12615A740A3
Special Order: No Guaranteed ETA
New Item
$ 87.99 USD
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$ 87.99 USD
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Invaluable for keeping tabs on your engine’s lifeblood, the Febi Bilstein oil level sensor is an essential maintenance item for demanding enthusiasts.
Crankshaft Position Sensor
Crankshaft Position Sensor
Febi - Corporate Logo
T#:56254756
Part#: 13627809334
Special Order: No Guaranteed ETA
New Item
$ 46.99 USD
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$ 46.99 USD
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Maintain the crisp throttle response and reliable performance of your BMW with this Febi Bilstein Crankshaft Position Sensor.
Crankshaft Position Sensor
Crankshaft Position Sensor
Febi - Corporate Logo
T#:56254775
Part#: 13627582842
Special Order: No Guaranteed ETA
New Item
$ 19.99 USD
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$ 19.99 USD
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This Febi Crankshaft Position Sensor ensures your ECU receives ultra-fast, precise engine speed and position data under all driving conditions.
Febi Oil Level Sensor - BMW F2X, F3X
Febi Oil Level Sensor - BMW F2X, F3X
Febi - Corporate Logo
T#:52516271
Part#: 1000541
Special Order: No Guaranteed ETA
New Item
$ 90.99 USD
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$ 90.99 USD
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Ensure your vehicle’s engine remains protected with the Febi 1000541 Oil Level Sensor.
Engine Oil Level Sensor - 12618608780
Engine Oil Level Sensor - 12618608780
Febi - Corporate Logo
T#:54816234
Part#: 1000540
Special Order: No Guaranteed ETA
New Item
$ 116.99

This product was last offered at the strikethrough price on
06-10-2026

$ 89.00 USD
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$ 89.00 USD
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When BMW threw out the mechanical dipstick, they shifted the responsibility of protecting your engine entirely to the electronic oil level sensor. On the street or the track, knowing your oil level is non-negotiable. If your dashboard sensor readout is throwing errors or lagging, your N52, N54, N55, S55, or N63 engine is operating in the dark. This Febi Bilstein engine oil level sensor is an excellent, cost-effective alternative to expensive dealership parts counter pieces. Febi is an industry-trusted German manufacturer, ensuring this sensor reads with the exact same precision and calibration as original equipment. Keep your ultimate driving machine properly monitored and safe from oil starvation. Key Features Premium German Engineering: Manufactured by Febi Bilstein to match original BMW operational tolerances. Critical Engine Protection: Restores accurate iDrive/instrument cluster oil volume and temperature readouts. Exact Factory Fit: Features the correct 3-pin oval plug orientation for a seamless plug-and-play install. Track-Day Insurance: Ensures your electronic monitoring system functions flawlessly under heavy load. Turner Tip: Oil level sensors are notorious for failing due to age and repeated heat cycles. Because this sensor installs directly into the bottom of the oil pan, make this swap part of your next oil service kit checklist.
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Oil Pressure Sensor
Oil Pressure Sensor
Febi - Corporate Logo
T#:55857763
Part#: 12615B4C892
Special Order: No Guaranteed ETA
New Item
$ 23.99 USD
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$ 23.99 USD
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Protect your ultimate driving machine from disastrous lubrication failures with the Febi Bilstein Oil Pressure Sensor.

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