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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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Oil Level Sensor - E46 E39 E60 E38 X3 X5 Z3 Z4 Z8

T#:395203

Part#: 12617508003

In Stock

Sale - Save 7% $ 62.99

This product was last offered at the strikethrough price on
05-02-2026

$ 58.49 USD

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$ 62.99

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05-02-2026

$ 58.49 USD

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This is the oil level sensor / sender for BMW E46 E39 E60 E38 X3 X5 Z3 Z4 Z8.When this part fails it will illuminate a check light on the dash which indicates it needs to be replaced. Includes o-ring. This item fits the following BMWs: 1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330xi M3 2008+ E90 BMW 335d 1999-2003 E39 BMW 528i 525i 530i M5 1998-2003 E39 BMW 540i 2004-2005 E60 BMW 525i 530i 1998-2001 E38 BMW 740i 740il 750il 2004-2006 E85 BMW X3 2.5i X3 3.0i 2000-2006 E53 BMW X5 3.0i 2000-2003 E53 BMW X5 4.4i X5 4.6is 1999-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i 2001-2002 Z3 BMW Z3 M Roadster Z3 M Coupe 2003-2006 Z4 BMW Z4 2.5i Z4 3.0i 2000-2003 E52 BMW Z8

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Camshaft Position Sensor - Priced Each

T#:27105154

Part#: 13627525014

In Stock

Sale - Save 17% $ 41.99

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

$ 34.84 USD

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$ 41.99

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

$ 34.84 USD

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Bremmen Crankshaft Position Sensor - E36 E46 E39 E60 X3 X5 Z3 Z4 ...

T#:640146

Part#: 12141709616

In Stock

Sale - Save 10% $ 39.99

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

$ 35.99 USD

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05-03-2026

$ 35.99 USD

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This is the crank shaft 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 Bremmen sensor to restore peak performance.

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N52 Valvetronic Camshaft Adjuster Replacement Kit

T#:5416764

Part#: 11377548388TMSKT

In Stock

Sale - Save 19% $ 220.99

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

$ 179.20 USD

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$ 220.99

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

$ 179.20 USD

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Includes new Valvetronic motor, gasket, and hardware. The Valv-tronic adjuster unit changes the the timing shaft to adjust the valve timing.

BMW E6X / E8X / E9X - N52 Replacement Starter Kit

T#:15777314

Part#: SR0492NKT2-KT

In Stock

Sale - Save 8% $ 296.99

This product was last offered at the strikethrough price on
03-17-2026

$ 273.79 USD

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$ 296.99

This product was last offered at the strikethrough price on
03-17-2026

$ 273.79 USD

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Is your car having trouble starting? Does your starter click when you turn the key? Sounds like it's time for a new starter motor! Includes new starter with no core charge, intake gaskets, throttle body gasket and hardware.

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Camshaft Position Sensor - E46 M3, Z4M, Z3M S54

T#:36913379

Part#: 12147539171

In Stock

Sale - Save 20% $ 89.99

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

$ 71.80 USD

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$ 89.99

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

$ 71.80 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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Engine Oil Temperature Sensor

T#:36777927

Part#: 13627580635

In Stock

Sale - Save 21% $ 26.99

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

$ 21.21 USD

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$ 26.99

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

$ 21.21 USD

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Eccentric Shaft Sensor

T#:34114242

Part#: 11377524879

In Stock

Sale - Save 20% $ 165.99

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

$ 132.18 USD

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$ 165.99

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

$ 132.18 USD

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Crankshaft Position Sensor

T#:36913357

Part#: 12141720856

In Stock

Sale - Save 20% $ 42.99

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

$ 34.26 USD

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Sale - Save 20%

$ 42.99

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

$ 34.26 USD

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Bremmen Camshaft Position Sensor - E46 E39 E60 E83 Z3 Z4

T#:640145

Part#: 12147518628

In Stock

Sale - Save 16% $ 31.99

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

$ 26.87 USD

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$ 31.99

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

$ 26.87 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 drivability issues

MSD80 Replacement Mosfets - Pack of 10

T#:28537553

Part#: MSD80FIX

In Stock

Sale - Save 11% $ 37.99

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

$ 33.84 USD

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$ 37.99

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05-03-2026

$ 33.84 USD

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Are you tired of worrying about your MSD80 DME's Mosfets failing? Why replace your MSD80 with a costly MSD81 and worry about paying for a new tuning license, when you can simply repair your MSD80 DME at home to last for many years to come! Included in this kit: -10 MSD80 Replacement Mosfets Applicable Only to Vehicles Equipped With the MSD80 DME (not MSD81). Bremmen Parts offers an OE-like replacement to remedy the following DME-related codes: 30BA - DME Digital Motor Electronics, Internal Failure 30BB - DME Digital Motor Electronics, Internal Failure 29D9 - Misfire with Low Fuel Level 29CC - Misfire Multiple Cylinders 29CD - Cylinder 1 Misfire 29CE - Cylinder 2 Misfire 29CF - Cylinder 3 Misfire 29D0 - Cylinder 4 Misfire 29D1 - Cylinder 5 Misfire 29D2 - Cylinder 6 Misfire

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N62 Eccentric Shaft Sensor - 11377527017

T#:36981071

Part#: 11377527017

In Stock

Sale - Save 20% $ 172.99

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

$ 137.90 USD

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$ 172.99

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

$ 137.90 USD

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Ensure smooth engine operation in your BMW N62 N73 Engines with this Bremmen Parts Eccentric Shaft Sensor. Designed to detect valve position and lift adjusted by the Valvetronic motor, this sensor prevents poor cold-start issues and rough idle caused by valve lift failure. Avoid potential limp mode situations with this reliable replacement sensor, which also requires a valve cover gasket replacement for proper installation.

Key Benefits:

Detects valve position and lift for optimal engine performance Prevents poor cold-start issues and rough idle Avoids potential limp mode situations Compatible with N62 N73 Engines

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Eccentric Shaft Sensor Kit

T#:15677508

Part#: 11127581215-KT

In Stock

Sale - Save 18% $ 270.16

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

$ 221.57 USD

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$ 270.16

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

$ 221.57 USD

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The eccentric shaft sensor is known to fail and can be a costly repair at the dealer. Often caused by oil getting into the connection for the wiring harness and damaging the sensor and causing a check engine light. With this kit you get the the sensor along with new valve cover and eccentric shaft adjuster gaskets to ensure a complete leak free job.

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Eccentric Shaft Sensor Kit

T#:5416787

Part#: 11377524879TMSKT

In Stock

Sale - Save 18% $ 270.99

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

$ 221.57 USD

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$ 270.99

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

$ 221.57 USD

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Includes a new sensor as well as valve cover and eccentric gaskets for a complete service. The eccentric shaft sensor is known to fail and can be a costly repair at the dealer. Often caused by oil getting into the connection for the wiring harness and damaging the sensor and causing a check engine light. With this kit you get the the sensor along with new valve cover and eccentric shaft adjuster gaskets to ensure a complete leak free job.

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Bosch Starter Motor With Hardware

T#:56110332

Part#: SR0492NKT4

In Stock

$ 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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Valvetronic Camshaft Adjuster replacement kit

T#:15677492

Part#: 11127556161-KT

In Stock

Sale - Save 19% $ 220.99

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

$ 179.20 USD

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Sale - Save 19%

$ 220.99

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

$ 179.20 USD

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Valv-tronic adjuster unit, Changes the the timing shaft to adjust the valve timing.

Bremmen Parts Outdoor Temperature Sensor / Probe - 65816936953 ...

T#:30728992

Part#: 65816936953

In Stock

Sale - Save 24% $ 13.99

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

$ 10.67 USD

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$ 13.99

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

$ 10.67 USD

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Crankshaft Position Sensor With Seal

T#:599549

Part#: 12141485844

In Stock

Sale - Save 8% $ 14.99

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

$ 13.84 USD

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$ 14.99

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

$ 13.84 USD

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Camshaft Sensor - 13627588095

T#:36913377

Part#: 13627588095

In Stock

Sale - Save 20% $ 27.99

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

$ 22.39 USD

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$ 27.99

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

$ 22.39 USD

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Ensure precise timing in your BMW engine with this Camshaft Gear Sensor, also known as the "pulse generator". Designed to mount on the side of the cylinder head, this sensor accurately detects camshaft timing. When an engine fault code related to timing emerges, replacement of this sensor becomes essential for optimal engine performance.

Benefits:

Ensures precise timing detection Vital for engine fault code related to timing Mounts to the side of the cylinder head Essential for BMW engine performance

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BMW Alternator - SEG Automotive 0121.715.118

T#:54851991

Part#: 12317560985

Ships in 2 Business Days

$ 1,049.99

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

$ 949.99 USD

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$ 949.99 USD

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MINI Alternator - SEG Automotive 0125.711.078

T#:54851993

Part#: 12317613445

Ships in 2 Business Days

$ 564.99

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

$ 509.99 USD

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$ 509.99 USD

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MINI Alternator - SEG Automotive 0124.325.157

T#:54851988

Part#: 12317550319

Ships in 2 Business Days

$ 473.99

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

$ 430.99 USD

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$ 430.99 USD

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BMW Starter - SEG Automotive 0001.108.460

T#:55857741

Part#: 12417610344

Ships in 2 Business Days

$ 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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BMW Alternator - SEG Automotive 0124.525.588

T#:54851984

Part#: 12317541694

Ships in 2 Business Days

$ 521.99

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

$ 468.99 USD

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$ 468.99 USD

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BMW Alternator - SEG Automotive 0124.515.223

T#:54851980

Part#: 12317519618

Ships in 2 Business Days

$ 503.99

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

$ 453.99 USD

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$ 453.99 USD

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Camshaft Speed Sensor

T#:52832891

Part#: 12141743072

In Stock

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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$ 39.99

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

$ 31.99 USD

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Starter Motor

T#:55030826

Part#: 12412354693

Ships on Sep 9, 2026

$ 129.99 USD

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$ 129.99 USD

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Relay - Black

T#:5484757

Part#: 61366901469

Ships on Sep 11, 2026

Sale - Save 24% $ 13.99

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

$ 10.60 USD

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$ 13.99

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

$ 10.60 USD

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Oil Temperature Sensor And Gauge Kit - Blue & Red - Multiple BMWs ...

T#:401689

Part#: OILTEMPGAUGEBRKK

Ships on Dec 24, 2026

Sale - Save 2% $ 196.99

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

$ 193.26 USD

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Sale - Save 2%

$ 196.99

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

$ 193.26 USD

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The EVO series from ProSport Gauges is an award winning, industry leading option for those looking to push their car's limits. They allowing you to monitor crucial engine functions in one quick glance with advanced precision. Featuring a dual color readout, you can customize your readout to your liking. Offering a user friendly readout with a digital reading in the center with a bar-graph style sweep around the gauge as well.

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