BMW Electrical Sensors, Switches, & Relays

OMP Battery Cut Off Switch / Kill Switch

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T#:1614

Part#: EA-462

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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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Hitachi Voltage Regulator - BMW E31 E32 E34 E36

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T#:48850064

Part#: 12311747920

Ships in 6 Business Days

$ 37.99 USD

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$ 37.99 USD

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This voltage regulator is a crucial component that controls the alternator's output, preventing overcharging by adjusting the current to maintain a safe range of vehicle voltage, thereby protecting the battery and electrical system. Symptoms of failure include dim lights, battery warnings, or a dead battery, often requiring replacement, which can be internal or external to the alternator.

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Alternator Pulley - E82 E90 E92 E60

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T#:19332

Part#: 12317570152

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$ 66.99 USD

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This OEM alternator pulley has a ratcheting mechanism inside that can wear out, causing a rattling sound. This mechanism allows the alternator to freewheel to a degree. This is only for the Valeo brand alternator/

This item fits the following BMWs:
2008+ E82 BMW 128i with N51 engine
2006-2007 E90 BMW 325i 325xi 330i 330xi - Sedan
2006-2007 E90 BMW 328i 328xi - Sedan with N51 engine
2006-2007 E91 BMW 325xi - Wagon
2007-2007 E92 BMW 328i 328xi 328i xDrive - Coupe with N51 engine
2006-2007 E60 BMW 525i 525xi 530i 530xi

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Elring Eccentric Shaft Sensor Seal Plug - N52 3.0L

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2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:348099

Part#: 11127528242

In Stock

$ 9.17

This product was last offered at the strikethrough price on
04-09-2026

$ 8.99 USD

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$ 8.99 USD

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Rubber seals are often hardened and damaged by excessive heat and constant temperature changes causing them to become brittle and crack or split. If your seal has split, replace it with a new Elring seal for long reliability and to prevent further problems.

Elring is one of the biggest OEM names in the manufacturing of high quality gaskets that are available for very affordable prices. Elring has supplied many automotive names for years with the gaskets that seal your car's components from day 1 so you can rest assured that these components will last for a long time to come!

Fits the following BMW engines:
N52 3.0L

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Battery Tender Plus Advanced Battery Charging System

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T#:49892371

Part#: BTT0210128

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$ 69.99 USD

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$ 69.99 USD

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AUTOTECKNIC Dry Carbon Fiber Battery Terminal Cover - G87 M2 ...

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T#:21012623

Part#: ATK-BM-0420-G87

Ships in 7 Business Days

$ 495.00 USD

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$ 495.00 USD

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The boldly styled G87 already touts carbon features but carbon fiber is not very often displayed in the engine bay. If you are looking to give your engine bay some carbon spark, AUTOTECKNIC introduces you to their dry carbon battery terminal cover to beautify your engine bay and bring a smile to your face every time you open the hood of your S58 monster! Made from high-quality carbon, this product is sure to stand the test of time!

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Hitachi Camshaft Position Sensor - Intake - BMW M52TU M54

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T#:48850072

Part#: 12147539165

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$ 41.99 USD

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A bad cam sensor can cause a variety of problems from hard starting to stalling at low speeds. Cam sensor replacement has been known to cure many drivabilty issues. Uses O-ring # 12 141 748 398 (not included)

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Hitachi Camshaft Position Sensor - BMW E9X F3X F8X N20 N52 N55 S55 ...

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T#:48815454

Part#: 13627525014

Ships in 6 Business Days

$ 40.00 USD

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$ 40.00 USD

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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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Hitachi Engine Crankshaft Position Sensor - BMW F2X F3X

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T#:48850074

Part#: 13627582842

Ships in 6 Business Days

$ 184.99 USD

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$ 184.99 USD

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Engine cranks but doesn't start? This sensor is often the issue.

Hitachi Engine Crankshaft Position Sensor - BMW N52 N54 S85 S65 S63 ...

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T#:48815471

Part#: 13627525015

Ships in 6 Business Days

$ 66.99 USD

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The crankshaft position sensor transmits the crankshaft's position 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 crank position sensor.

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Hitachi Engine Camshaft Position Sensor - BMW S63M N63B/N63M/N63R S68...

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T#:48850059

Part#: 13628697982

Ships in 6 Business Days

$ 48.99 USD

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$ 48.99 USD

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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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Hitachi Crankshaft Sensor - BMW B46 B48 B58

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T#:48850081

Part#: 13627806782

Ships in 6 Business Days

$ 81.99 USD

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$ 81.99 USD

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Tells the computer whether the timing is correct in the engine.

Hitachi Camshaft Position Sensor - E39, E46, E53, E60, E63, E64, E65,...

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T#:48850055

Part#: 12147518628

Ships in 2 Business Days

$ 71.99 USD

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The camshaft position sensor is essential for assisting the engine DME by monitoring the camshaft's position. The data from this sensor is key to optimizing ignition timing and ensuring smooth engine performance. Often referred to as the CMP sensor, this component is crucial for the overall functionality of the powertrain. A failing camshaft position sensor can cause a range of issues, including engine stumbling, hesitation during acceleration, power loss, and even starting difficulties or complete failure to start.

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Hitachi Voltage Regulator - BMW E88 N52

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T#:48815477

Part#: 12317550469

Ships in 6 Business Days

$ 79.99 USD

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Supplies power to your car's electronics and recharges the battery.

Morimoto Standalone Can-Bus Wiring Harness - H4 / 9003 - Priced Each ...

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T#:54388428

Part#: H240

Ships on Jul 27, 2026

Sale - Save 17% $ 21.99

This product was last offered at the strikethrough price on
06-23-2026

$ 18.21 USD

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Sale - Save 17%

$ 21.99

This product was last offered at the strikethrough price on
06-23-2026

$ 18.21 USD

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Hitachi Crankshaft Position Sensor - BMW M52 S52 M54

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T#:48815470

Part#: 12141709616

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$ 32.99 USD

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$ 32.99 USD

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NOTE: Does not include o-ring seal - see BMW # 12141748398 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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Hitachi Crankshaft Position Sensor - BMW N20 N26 2.0L

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T#:48815475

Part#: 13627595860

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$ 68.99 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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17 X 23 X 3 / FPM RD

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2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:15015283

Part#: 13627792257

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$ 3.99

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

$ 2.99 USD

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$ 2.99 USD

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Replacement camshaft position sensor o-ring for N57/N57/M57 Diesels

Accessory Drive Belt Kit - E34, E83

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T#:42167237

Part#: FB0198K

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$ 166.99 USD

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Ideal for scheduled maintenance or as a preventive repair, the Accessory Drive Belt Kit offers dependable performance and peace of mind for BMW owners looking to maintain factory-quality operation and longevity

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OEM INA Alternator Pulley - Overrunning Type - E82, E88, E9x, F10, F2...

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T#:42167226

Part#: EA0141

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$ 71.99 USD

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$ 71.99 USD

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Whether you're replacing a failing alternator pulley or performing preventive maintenance, this Alternator Pulley ensures your BMW continues to perform with factory precision and reliability.

Hitachi Voltage Regulator - BMW E36 Z3 E34

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T#:48850070

Part#: 12321739435

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$ 60.99 USD

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$ 60.99 USD

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Alternator voltage regulators are a crucial component that controls the alternator's output, preventing overcharging by adjusting the current to keep vehicle voltage within a safe range, protecting the battery and electrical system. Symptoms of failure include dim lights, battery warnings, or a dead battery, often requiring replacement, which can be internal or external to the alternator

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OEM INA Alternator Pulley - E60, E90

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T#:42167235

Part#: EA0202

Back Ordered

$ 46.99

This product was last offered at the strikethrough price on
06-19-2026

$ 33.99 USD

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$ 33.99 USD

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Whether you have a failing component or are performing preventive maintenance, this INA Alternator Pulley from Turner Motorsport is the perfect choice to keep your BMW’s electrical and accessory systems operating at peak performance.

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BMW Electrical Sensors, Switches, & Relays

Sub-Categories

OMP Battery Cut Off Switch / Kill Switch

Hitachi Voltage Regulator - BMW E31 E32 E34 E36

Alternator Pulley - E82 E90 E92 E60

Elring Eccentric Shaft Sensor Seal Plug - N52 3.0L

Battery Tender Plus Advanced Battery Charging System

AUTOTECKNIC Dry Carbon Fiber Battery Terminal Cover - G87 M2 ...

Hitachi Camshaft Position Sensor - Intake - BMW M52TU M54

Hitachi Camshaft Position Sensor - BMW E9X F3X F8X N20 N52 N55 S55 ...

Hitachi Engine Crankshaft Position Sensor - BMW F2X F3X

Hitachi Engine Crankshaft Position Sensor - BMW N52 N54 S85 S65 S63 ...

Hitachi Engine Camshaft Position Sensor - BMW S63M N63B/N63M/N63R S68...

Hitachi Crankshaft Sensor - BMW B46 B48 B58

Hitachi Camshaft Position Sensor - E39, E46, E53, E60, E63, E64, E65,...

Hitachi Voltage Regulator - BMW E88 N52

Morimoto Standalone Can-Bus Wiring Harness - H4 / 9003 - Priced Each ...

Hitachi Crankshaft Position Sensor - BMW M52 S52 M54

Hitachi Crankshaft Position Sensor - BMW N20 N26 2.0L

17 X 23 X 3 / FPM RD

Accessory Drive Belt Kit - E34, E83

OEM INA Alternator Pulley - Overrunning Type - E82, E88, E9x, F10, F2...

Hitachi Voltage Regulator - BMW E36 Z3 E34

OEM INA Alternator Pulley - E60, E90

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