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Bremmen Parts 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
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T#:395203
Part#: 12617508003
In Stock
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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
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T#:27105154
Part#: 13627525014
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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

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05-03-2026

$ 34.84 USD
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Bremmen Crankshaft Position Sensor - E36 E46 E39 E60 X3 X5 Z3 Z4 ...
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T#:640146
Part#: 12141709616
In Stock
Sale - Save 11% $ 39.99

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

$ 35.79 USD
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This product was last offered at the strikethrough price on
05-03-2026

$ 35.79 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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Engine Oil Temperature Sensor
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T#:36777927
Part#: 13627580635
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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

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$ 21.21 USD
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Camshaft Position Sensor - E46 M3, Z4M, Z3M S54
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T#:36913379
Part#: 12147539171
Ships on Aug 10, 2026
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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$ 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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Eccentric Shaft Sensor
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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

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$ 132.18 USD
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MSD80 Replacement Mosfets - Pack of 10
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T#:28537553
Part#: MSD80FIX
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This product was last offered at the strikethrough price on
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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Crankshaft Position Sensor
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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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$ 42.99

This product was last offered at the strikethrough price on
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$ 34.26 USD
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Bremmen Camshaft Position Sensor - E46 E39 E60 E83 Z3 Z4
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T#:640145
Part#: 12147518628
Ships on Sep 16, 2026
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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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

N62 Eccentric Shaft Sensor - 11377527017
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T#:36981071
Part#: 11377527017
Ships on Sep 8, 2026
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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$ 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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Knock Sensor (Ping Sensor) - 13627568421
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T#:36913356
Part#: 13627568421
In Stock
$ 75.99

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

$ 56.99 USD
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$ 75.99

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05-03-2026

$ 56.99 USD
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Maintain optimal engine performance with this premium replacement knock sensor, engineered to detect pinging, knocking, and pre-detonation within your engine. By precisely monitoring these vibrations, the sensor enables the engine control unit (ECU) to fine-tune ignition timing, safeguarding your engine and enhancing overall efficiency.

A malfunctioning knock sensor can result in diminished power, reduced fuel efficiency, and potential engine damage. Restore your engine's functionality and reliability with this high-quality knock sensor from Bremmen Parts, designed for long-lasting performance and peace of mind.

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

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$ 10.67 USD
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Camshaft Sensor - 13627588095
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T#:36913377
Part#: 13627588095
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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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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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Crankshaft Position Sensor With Seal
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T#:599549
Part#: 12141485844
Ships in 3 Business Days
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

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Camshaft Speed Sensor
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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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Relay - Black
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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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Starter Motor
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T#:55030826
Part#: 12412354693
Ships on Oct 23, 2026
New Item
$ 129.99 USD
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