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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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URO Parts Engine Crankshaft Position Center - 12141709616 - E36, E46, E39, E60, E83, E53
URO Parts Engine Crankshaft Position Center - 12141709616 - E36, E46,...
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:52621857
Part#: 12141709616
In Stock
New Item
$ 25.99 USD
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$ 25.99 USD
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The URO Parts 020655 Crankshaft Position Sensor offers a cost-effective alternative to expensive OE components without sacrificing quality or longevity.
SEG Automotive Alternator - SEG Automotive 0121.715.118 - 12317560985 - E70 X5
SEG Automotive Alternator - SEG Automotive 0121.715.118 - 12317560985...
SEG Automotive - Corporate Logo
T#:54851991
Part#: 12317560985
Ships in 1 Business Day
New Item
$ 1,049.99

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

$ 961.99 USD
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$ 961.99 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
New Item
$ 564.99

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

$ 563.99 USD
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$ 563.99 USD
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URO Manifold Air Pressure Sensor - R50, R52, R53
URO Manifold Air Pressure Sensor - R50, R52, R53
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:54388350
Part#: 12140872648
Ships in 1 Business Day
New Item
$ 35.99 USD
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$ 35.99 USD
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This unit serves as an ideal baseline or a crucial component replacement
URO Camshaft Position Sensor - E90, E70 - M57
URO Camshaft Position Sensor - E90, E70 - M57
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:55821688
Part#: 13627792256
Ships in 1 Business Day
New Item
$ 17.99

This product was last offered at the strikethrough price on
10-17-2026

$ 14.99 USD
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$ 14.99 USD
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This URO sensor is built to withstand the intense heat cycles of the BMW engine bay, offering a dependable, budget-friendly solution to restore peak engine efficiency. Designed as a direct swap for the factory unit
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URO Parts Xenon Headlight Driver Module - Adaptive Headlights - 63117363090 - F22, F23, F87
URO Parts Xenon Headlight Driver Module - Adaptive Headlights - 63117...
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:59624171
Part#: 63117363090
Ships in 1 Business Day
New Item
$ 562.99 USD
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$ 562.99 USD
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URO Parts Xenon Headlight Driver Module - Non-Adaptive Headlights - 63117363091 - F22, F23, F87
URO Parts Xenon Headlight Driver Module - Non-Adaptive Headlights - 6...
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:59624170
Part#: 63117363091
Ships in 1 Business Day
New Item
$ 562.99 USD
Add to Wish List
$ 562.99 USD
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SEG Automotive Alternator - SEG Automotive 0124.525.588 - 12317541694 - E46 325i 325Ci 330Ci, E60 525i 530i, E83 X3
SEG Automotive Alternator - SEG Automotive 0124.525.588 - 12317541694...
SEG Automotive - Corporate Logo
T#:54851984
Part#: 12317541694
Ships in 1 Business Day
New Item
$ 521.99

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

$ 474.99 USD
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$ 474.99 USD
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SEG Automotive Starter - SEG Automotive 0001.108.460 - 12417610344 - E60, E63 E64 6 Series, E65 E66 7 Series, E53, E70
SEG Automotive Starter - SEG Automotive 0001.108.460 - 12417610344 - ...
SEG Automotive - Corporate Logo
T#:55857741
Part#: 12417610344
Ships in 1 Business Day
New Item
$ 368.99

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

$ 340.99 USD
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$ 340.99 USD
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MINI Starter - SEG Automotive 0001.106.026
MINI Starter - SEG Automotive 0001.106.026
SEG Automotive - Corporate Logo
T#:54851997
Part#: 12411489995
Ships in 1 Business Day
New Item
$ 432.99

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

$ 406.99 USD
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$ 406.99 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
Ships in 1 Business Day
New Item
$ 473.99

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

$ 436.99 USD
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$ 436.99 USD
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SEG Automotive Alternator - SEG Automotive 0124.515.223 - 12317519618 - E46
SEG Automotive Alternator - SEG Automotive 0124.515.223 - 12317519618...
SEG Automotive - Corporate Logo
T#:54851980
Part#: 12317519618
Ships in 1 Business Day
New Item
$ 503.99

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

$ 462.99 USD
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$ 462.99 USD
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SEG Automotive New 150A Alternator - 0124.525.561 - E21, E30, E36, E46, E9x, E8x, E60
SEG Automotive New 150A Alternator - 0124.525.561 - E21, E30, E36, E4...
SEG Automotive - Corporate Logo
T#:58965212
Part#: 0124.525.561
Ships on Nov 24, 2026
New Item
$ 487.99 USD
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$ 487.99 USD
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SEG Automotive, the company behind Bosch's starter motor and generator business, builds this brand-new 150-amp alternator with a freewheel pulley that smooths out belt loads for a quieter, longer-lasting accessory drive.
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Starter Motor
Starter Motor
SEG Automotive - Corporate Logo
T#:59001789
Part#: 12417570487
Ships on Nov 24, 2026
New Item
$ 325.99 USD
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$ 325.99 USD
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This SEG Automotive unit is built as a direct replacement for the factory 0.9 kW starter on the R50 Hatch and R52 Convertible.
SEG Automotive New Alternator - 0124.525.523 - E46 325i 325Ci 330Ci, E60 525i 530i, E83 X3
SEG Automotive New Alternator - 0124.525.523 - E46 325i 325Ci 330Ci, ...
SEG Automotive - Corporate Logo
T#:58965213
Part#: 0124.525.523
Ships on Nov 24, 2026
New Item
$ 495.99 USD
Free Shipping on orders $49 and up
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$ 495.99 USD
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Your BMW's charging system powers everything from ignition to infotainment, so a weak alternator affects the whole car.
SEG Automotive New 120A Alternator - 0124.515.052 - E46, E39 525i 530i, E53 X5
SEG Automotive New 120A Alternator - 0124.515.052 - E46, E39 525i 530...
SEG Automotive - Corporate Logo
T#:58965210
Part#: 0124.515.052
Ships on Nov 24, 2026
New Item
$ 485.99 USD
Free Shipping on orders $49 and up
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$ 485.99 USD
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A strong charging system keeps everything from your ignition to your stereo working at its best, and a failing alternator can undermine all of it.
SEG Automotive N47 N57 Starter Motor - 0001.148.508 - F3x, F10 5 Series, F02 7 Series
SEG Automotive N47 N57 Starter Motor - 0001.148.508 - F3x, F10 5 Seri...
SEG Automotive - Corporate Logo
T#:58965209
Part#: 0001.148.508
Ships on Nov 24, 2026
New Item
$ 274.99 USD
Free Shipping on orders $49 and up
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$ 274.99 USD
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A healthy starter is what gets your BMW from parked to pulling away without a second thought.
SEG Automotive Starter - 12418589891 - G30 540d xDrive
SEG Automotive Starter - 12418589891 - G30 540d xDrive
SEG Automotive - Corporate Logo
T#:59001787
Part#: 12418589891
Ships on Nov 24, 2026
New Item
$ 276.99 USD
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$ 276.99 USD
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Modern G-chassis BMWs deliver serious performance, and none of it matters if the engine won't start.
SEG Automotive B46 B48 New Starter Motor - 0001.170.202 - F3x 330i 430i, F22 230i
SEG Automotive B46 B48 New Starter Motor - 0001.170.202 - F3x 330i 43...
SEG Automotive - Corporate Logo
T#:58965208
Part#: 0001.170.202
Ships on Nov 24, 2026
New Item
$ 216.99 USD
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$ 216.99 USD
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The smart choice for F-chassis owners who want their car starting on the first try, every time.
Starter Motor
Starter Motor
SEG Automotive - Corporate Logo
T#:59001784
Part#: 12417616698
Ships on Nov 24, 2026
New Item
$ 275.99 USD
Free Shipping on orders $49 and up
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$ 275.99 USD
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On a MINI built for quick, spirited driving, there is no reason to put up with slow or hesitant cranking.
SEG Automotive Alternator - 12311711204 - E24 635CSi
SEG Automotive Alternator - 12311711204 - E24 635CSi
SEG Automotive - Corporate Logo
T#:59001785
Part#: 12311711204
Ships on Nov 24, 2026
New Item
$ 726.99 USD
Add to Wish List
$ 726.99 USD
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The E24 M635CSi is one of BMW's great grand tourers, and keeping one healthy means a charging system you can count on.
URO Parts Mass Air Flow (MAF) Sensor - 13627520519 - E9x, E8x, E60, E61, F10 5 Series, E83, F25, E70
URO Parts Mass Air Flow (MAF) Sensor - 13627520519 - E9x, E8x, E60, E...
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:56977979
Part#: 13627520519
Back Ordered
New Item
$ 77.99 USD
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$ 77.99 USD
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Keep your BMW performing at its peak with this reliable Mass Air Flow sensor replacement from URO Parts.

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