BMW Electrical Sensors, Switches, & Relays for BMW 3 Series F31 (2014+)

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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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OEM Bosch Mass Air Flow Sensor (MAF) -- N20 N26 S55 S63 B38 B46 Z4 ...
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Bosch - Corporate Logo
T#:389744
Part#: 13627602038
In Stock
$ 240.99

This product was last offered at the strikethrough price on
05-28-2026

$ 161.99 USD
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$ 161.99 USD
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The mass air flow sensor measures the amount of air flow to tell the computer how much fuel to add to the mixture. If the MAF sensor malfunctions, there could be too much or too little fuel added to the mixture.
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Camshaft Position Sensor - N20 N52 N54 N55 - E9X F30 E60 F10 + ...
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Genuine BMW - Corporate Logo
T#:12665
Part#: 13627525014
In Stock
9% off MSRP $ 166.83

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 151.53 USD
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9% off MSRP
$ 166.83

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 151.53 USD
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This is the a replacement camshaft sensor for BMW's with N20 N26 N51 N52 N54 N55 N63 S55 S63 engines. This can be used for either the exhaust or intake camshaft.
Genuine BMW Engine Oil Level Sensor with O-Ring
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Genuine BMW - Corporate Logo
T#:177100
Part#: 12618608780
Ships Today
10% off MSRP $ 298.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 269.99 USD
Free Shipping
10% off MSRP
$ 298.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 269.99 USD
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Genuine BMW Oil Levelling Sensor -
This item fits the following BMW Chassis:
F06,F10,F12,F13,F15,F16,F25 X3,F26 X4,F30,F31,F32,F33,F34,F36,F80 M3,F82 M4,F83

Fits BMW Engines including:
N55,N63N,S55

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Genuine BMW Wiring Harness For Eps - 61119307555 - F30,F32,F33,F34 ...
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Genuine BMW - Corporate Logo
T#:177725
Part#: 61119307555
Ships in 3 Business Days
5% off MSRP $ 371.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 351.99 USD
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5% off MSRP
$ 371.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 351.99 USD
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Genuine BMW Wiring Harness For Eps -
This item fits the following BMW Chassis:
F30,F32,F33,F34


OMP Battery Cut Off Switch / Kill Switch
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OMP - Corporate Logo
T#:1614
Part#: EA-462
Back Ordered
$ 65.00 USD
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$ 65.00 USD
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OMP Battery Cut Off Switch / Kill Switch, for use in racecars as an emergency "kill switch", to depower the electrical system in the event of a crash or other emergency. This cut off switch is FIA approved, has 6 poles and alternator protection, as well as a removable key.
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Genuine BMW Exhaust Temperature Sensor - E90 335d E70 X5 xDrive35d ...
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Genuine BMW - Corporate Logo
T#:42677
Part#: 13627805607
In Stock
10% off MSRP $ 122.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 110.99 USD
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10% off MSRP
$ 122.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 110.99 USD
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Genuine BMW Temperature Sensor, Exhaust -
This item fits the following BMW Chassis:
E70 X5,E90,F25 X3,F30,F31

Fits BMW Engines including:
M57,N57N

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Genuine BMW Crankshaft Position Sensor - BMW N20 N26 2.0L
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Genuine BMW - Corporate Logo
T#:22444
Part#: 13627595860
In Stock
10% off MSRP $ 131.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 118.99 USD
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10% off MSRP
$ 131.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 118.99 USD
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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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Genuine BMW Integrated Supply Module - 12638645514 - F15,F16,F25,F26 ...
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Genuine BMW - Corporate Logo
T#:205365
Part#: 12638645514
Ships in 1-2 days
3% off MSRP $ 437.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 423.99 USD
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3% off MSRP
$ 437.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 423.99 USD
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Genuine BMW Integrated Supply Module -
This item fits the following BMW Chassis:
F15,F16,F25 X3,F26 X4

Fits BMW Engines including:
N20,N55


Bosch Alternator - 210 amp - Remanufactured - $125 refundable core ch...
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Bosch - Corporate Logo
T#:580223
Part#: AL9449X
In Stock at Vendor
$ 545.99

This product was last offered at the strikethrough price on
05-07-2026

$ 530.99 USD
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$ 530.99 USD
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Genuine BMW Battery Cable - Positive - Battery Terminal to Under-Floo...
Not for cars with Additional Energy Supply S146A.
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Genuine BMW - Corporate Logo
T#:538746
Part#: 61126834543
Ships in 1-2 days
4% off MSRP $ 280.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 269.99 USD
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4% off MSRP
$ 280.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 269.99 USD
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Genuine BMW Power Distribution Box, Fron - 61149224866
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Genuine BMW - Corporate Logo
T#:141277
Part#: 61149224866
Ships in 3 Business Days
6% off MSRP $ 123.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 115.99 USD
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6% off MSRP
$ 123.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 115.99 USD
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Genuine BMW Power Distribution Box, Front -
This item fits the following BMW Chassis:
F15,F16,F22,F30,F31,F32,F33,F34,F36,F80 M3,F82 M4,F83

Genuine BMW Engine Oil Level Sensor with O-Ring - F30 F32 F31 F10 F22...
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Genuine BMW - Corporate Logo
T#:527169
Part#: 12617638341
Ships in 1-2 days
10% off MSRP $ 298.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 269.99 USD
Free Shipping
10% off MSRP
$ 298.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 269.99 USD
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Genuine BMW Front Right Repair Wiring Set - 61129315900
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Genuine BMW - Corporate Logo
T#:179171
Part#: 61129315900
Ships in 3 Business Days
3% off MSRP $ 809.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 787.99 USD
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3% off MSRP
$ 809.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 787.99 USD
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Genuine BMW Front Right Repair Wiring Set - Front right wiring repair harness located behind the front bumper
INTEGRATED SUPPLY MODULE
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Genuine BMW - Corporate Logo
T#:527170
Part#: 12638638551
Ships in 1-2 days
4% off MSRP $ 166.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 160.99 USD
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4% off MSRP
$ 166.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 160.99 USD
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Genuine BMW Horn - High Pitch
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Genuine BMW - Corporate Logo
T#:143861
Part#: 61337245423
Ships in 3 Business Days
8% off MSRP $ 77.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 71.99 USD
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8% off MSRP
$ 77.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 71.99 USD
Free Shipping


Genuine BMW Horn, High Pitch -
This item fits the following BMW Chassis:
F22,F30,F31,F32,F33,F34,F36,F80 M3,F82 M4,F83


Genuine BMW Oil Levelling Sensor - 12618638755
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Genuine BMW - Corporate Logo
T#:214060
Part#: 12618638755
Ships in 1-2 days
10% off MSRP $ 298.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 269.99 USD
Free Shipping
10% off MSRP
$ 298.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 269.99 USD
Free Shipping


Genuine BMW Oil Levelling Sensor


Genuine BMW Crankshaft Sensor
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Genuine BMW - Corporate Logo
T#:199559
Part#: 13627806782
Ships in 1-2 days
10% off MSRP $ 101.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 91.99 USD
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10% off MSRP
$ 101.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 91.99 USD
Free Shipping
The crankshaft position sensor tells the computer whether the timing is correct in the engine. Symptoms such as no start or extended cranking times can be a tell tale sign that you need to replace your crankshaft positioning sensor that is either faulty or damaged.
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Bosch New Starter Motor - E84, F30, F31, F32, F34
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Bosch - Corporate Logo
T#:639189
Part#: 12417638195
Ships in 3 Business Days
$ 324.99

This product was last offered at the strikethrough price on
05-07-2026

$ 314.99 USD
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$ 314.99 USD
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Vargas Coolant Level Extension Harness - BMW B48/B58/S58
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Vargas Turbo Technologies - Corporate Logo
T#:51813310
Part#: VTT-FAB-HC
Ships in 10 Business Days
New Item
$ 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.
Remanufactured Starter Motor
For vehicles without an Automatic or Sport Automatic Transmission
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Genuine BMW - Corporate Logo
T#:373879
Part#: 12417638195KT
Ships in 1-2 days
$ 521.99 USD
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$ 521.99 USD
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Genuine BMW Remanufactured Alternator - F3X BMW
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Genuine BMW - Corporate Logo
T#:637557
Part#: 12317605061KT
Ships in 3 Business Days
$ 1,408.99 USD
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$ 1,408.99 USD
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Price includes a $240.00 Core Charge Genuine BMW Generator - 210A This item fits the following BMW Chassis: E89 Z4,F22,F30,F31,F32,F33,F34,F36

Wiring Harness Engine Gearbox Module - F22, F23, F30, F31, F32, F33, ...
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Genuine BMW - Corporate Logo
T#:178212
Part#: 12537634058
Ships in 3 Business Days
5% off MSRP $ 553.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 525.99 USD
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5% off MSRP
$ 553.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 525.99 USD
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Genuine BMW Wiring Harness, Engine Trans. Module -
This item fits the following BMW Chassis:
F22,F30,F31,F32,F33,F34,F36

Fits BMW Engines including:
N20

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Genuine BMW Crank shaft sensor - F25 X3 xDrive28d F31 328d xDrive F30...
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Genuine BMW - Corporate Logo
T#:191353
Part#: 13627805188
Ships in 5 Business Days
9% off MSRP $ 87.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 79.99 USD
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9% off MSRP
$ 87.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 79.99 USD
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Genuine BMW Rpm Sensor Crankshaft -
This item fits the following BMW Chassis:
F25 X3,F30,F31

Genuine BMW Front Door wiring harness - Driver - F31
For vehicles with surround view
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Genuine BMW - Corporate Logo
T#:215175
Part#: 61129313612
Ships in 8 Business Days
5% off MSRP $ 247.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 234.99 USD
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5% off MSRP
$ 247.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 234.99 USD
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Genuine BMW Wiring Drivers Side -

This item fits the following BMW Chassis:
F31

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Genuine BMW Remanufactured 170 Amp Alternator - F10, F22, F3X ...
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Genuine BMW - Corporate Logo
T#:373867
Part#: 12317605478KT
Ships in 9 Business Days
$ 1,245.99 USD
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$ 1,245.99 USD
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This is a Genuine BMW remanufactured 210 amp alternator. BMW Alternators are built especially for extremes of heat, cold and high demand. Your BMW deserves nothing less than the best, which is why an Original Equipment Alternator is the best option. BMW alternators are built to last using the highest quality materials and the most technologically advanced processes. All alternator parts are 100% factory tested prior to and during remanufacturing to assure that they meet or exceed original equipment specifications. And every alternator is fully load tested to guarantee compliance with BMW's strict performance specifications. 

A $109.60 core charge is included in the price. Upon receipt of your rebuildable alternator core, you will be refunded the core charge.  

Fits the following BMW Chassis:
F10 BMW 528i/i xDrive
F22/23 BMW 228i/i Drive
F30/31 BMW 328i/i xDrive

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OEM Bosch Remanufactured Starter - SR0861X - BMW F2X F3X N20 2.0L ...
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Bosch - Corporate Logo
T#:639688
Part#: 12418614519BKT
Ships on Jun 30, 2026
$ 616.99

This product was last offered at the strikethrough price on
02-14-2026

$ 431.99 USD
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$ 431.99 USD
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*Price includes a refundable $75 Core Charge* If your car won't turn over, there is a good chance your starter is shot. Bosch's OEM starter is a high-quality replacement that will give you peace of mind thanks to its long life-span. Bosch is one of the largest OEM producers of Genuine BMW and aftermarket parts in the world, providing parts for almost every major automotive manufacturer. Bosch has likely supplied many of the original electrical (and mechanical) parts for your BMW. Thanks to their quality, high durability, and reliability, you should expect a long service life from Bosch products. As a leading source of high-performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts. All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!
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Remanufactured Bosch Starter - With Core Charge - F30 F31 F25 N47 ...
For vehicles with production date up to 04/2014
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Bosch - Corporate Logo
T#:639731
Part#: 12418581097KT
Ships on Jun 30, 2026
$ 482.99 USD
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$ 482.99 USD
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This remanufactured starter from Bosch will allow your car to start like it is new. Includes $75 core charge.

Remanufactured Bosch Starter - With Core Charge - F30 F31 F10 F02 ...
For vehicles with production date from 04/2014
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Bosch - Corporate Logo
T#:639754
Part#: 12418581099KT
Ships on Jun 30, 2026
$ 437.99 USD
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$ 437.99 USD
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This remanufactured starter from Bosch will allow your car to start like it is new. Includes $75 core charge.

Hella Negative Battery Cable - F22, F23, F30, F31, F32, F33, F34, F3...
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Hella - Corporate Logo
T#:583197
Part#: 61219117877
Special Order: No Guaranteed ETA
$ 150.99 USD
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$ 150.99 USD
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Cable for battery
Mass Air Flow Sensor (MAF)
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Hella - Corporate Logo
T#:599887
Part#: 13627602038
Special Order: No Guaranteed ETA
$ 151.99 USD
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$ 151.99 USD
Free Shipping