Home
Engine Parts
Electrical System

BMW Electrical Sensors, Switches, & Relays for BMW 3 Series E46 (1999-2005)

Clear BMW chassis

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.

Sub-Categories

Sort By:

Meyle Crankshaft Position Sensor - E36, E39, E46, E53, E60, E83, Z3, ...

5X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
We Price Match - Give Us A Call or Chat!

T#:369703

Part#: 12141709616

In Stock

$ 46.99 USD

Add to Wish List

Qty

$ 46.99 USD

Add to Wish List

Does not include O-ring

Exhaust Camshaft Sensor - E46 E39 E38 E60 E63 E65 X3 X5 Z3 Z4 ...

10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

T#:338260

Part#: 12147518628HK

In Stock

Starting at $ 79.98 USD

Add to Wish List

Starting at $ 79.98 USD

Add to Wish List

This is the exhaust cam position sensor for cars with M52, M54, N62 engines. Choose either Genuine BMW or Hella brand. Hella manufactures the highest quality parts and is an OEM supplier to BMW. Includes BMW part numbers 12147518628 and 12141748398. Replaces BMW part number 12141438082.

This item fits the following BMWs:
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi
1999-2003 E39 BMW 525i 528i 530i
2004-2005 E60 BMW 525i 530i 545i
2004-2005 E63 BMW 645ci
2002-2005 E65 BMW 745i 745li
2004-2006 E83 BMW X3 2.5i X3 3.0i
2000-2006 E53 BMW X5 3.0i
2004-2006 E53 BMW X5 4.4i 4.8i
1999-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i
2003-2006 E85 BMW Z4 2.5i Z4 3.0i

Show More Show Less

OMP Battery Cut Off Switch / Kill Switch

T#:1614

Part#: EA-462

Back Ordered

$ 65.00 USD

Add to Wish List

Qty

$ 65.00 USD

Add to Wish List

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.

Show More Show Less

Precision Raceworks Ethanol Sensor Breakout Harness

T#:35559424

Part#: 201-0411

In Stock

$ 34.99 USD

Add to Wish List

Qty

$ 34.99 USD

Add to Wish List

n Ethanol Sensor Breakout Harness provides a clean wiring solution by splitting the signal from your ethanol content sensor between two analyzers, such as an ECU/controller and a gauge or Bluetooth display, without modifying your existing harness.his setup enables real-time ethanol level monitoring and facilitates comprehensive DME/ECU adjustments for enhanced automotive performance.citeturn0search0

Show More Show Less

Meyle Exhaust Camshaft Position Sensor - BMW S54 S62

5X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!

T#:55497462

Part#: 3148000038

In Stock

$ 27.99

This product was last offered at the strikethrough price on
09-14-2026

$ 25.99 USD

Add to Wish List

Qty

$ 25.99 USD

Add to Wish List

Don't let a failing camshaft position sensor rob your vehicle of power or cut your track day short. This Meyle replacement camshaft sensor is built to deliver fast, highly accurate data to the ECU, preventing the performance drops, sluggish throttle response, and rough idling caused by worn-out factory electronics. Engineered to withstand high underhood heat and intense vibrations, it keeps your ignition timing and fuel delivery tightly synced, whether you are daily driving or pushing through high-RPM pulls.

Show More Show Less

Knock Sensor

5X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
We Price Match - Give Us A Call or Chat!

T#:35964551

Part#: 13627568422

Back Ordered

$ 75.99 USD

Add to Wish List

Qty

$ 75.99 USD

Add to Wish List

This sensor detects engine knocking or pinging and adjusts the timing to ensure optimal engine performance and efficiency.

Meyle M52 M54 Camshaft Position Sensor - 12147539165 - E46, E39, E60,...

5X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
We Price Match - Give Us A Call or Chat!

T#:20155632

Part#: 12147539165

Ships on Dec 1, 2026

$ 52.99 USD

Add to Wish List

Qty

$ 52.99 USD

Add to Wish List

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.

Battery Tender Plus Advanced Battery Charging System

T#:49892371

Part#: BTT0210128

In Stock at Vendor

9% off MSRP $ 64.99

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

$ 58.99 USD

Add to Wish List

Qty

9% off MSRP

$ 64.99

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

$ 58.99 USD

Add to Wish List

Wire With Terminals For 90 Degree 6 Pin Bulkhead (Red)

T#:38161695

Part#: 201-0360-RED

Ships in 9 Business Days

$ 5.99 USD

Add to Wish List

Qty

$ 5.99 USD

Add to Wish List

Upgrade any wiring system with this optimal solution, ensuring reliability and durability in any demanding automotive application. Red in color and 12 Gauge.

Wire With Terminals For 90 Degree 6 Pin Bulkhead - Blue

T#:38161703

Part#: 201-0360-BLU

Ships in 9 Business Days

$ 4.99 USD

Add to Wish List

Qty

$ 4.99 USD

Add to Wish List

Upgrade any wiring system with this optimal solution, ensuring reliability and durability in any demanding automotive application. Blue in color and 12 Gauge.

Wire With Terminals For 90 Degree 6 Pin Bulkhead - Black - Dual 18 Ga...

T#:38161710

Part#: 201-0362

Ships in 9 Business Days

$ 4.99 USD

Add to Wish List

Qty

$ 4.99 USD

Add to Wish List

Upgrade any wiring system with this optimal solution, ensuring reliability and durability in any demanding automotive application. Black in color and 18 Gauge dual wire.

Wire With Terminals For 90 Degree 6 Pin Bulkhead (Black) 12 Gauge ...

T#:38161711

Part#: 201-0360-BLK

Ships in 9 Business Days

$ 4.99 USD

Add to Wish List

Qty

$ 4.99 USD

Add to Wish List

Upgrade any wiring system with this optimal solution, ensuring reliability and durability in any demanding automotive application. Black in color and 12 Gauge.

Wire With Terminals For 90 Degree 6 Pin Bulkhead - Orange

T#:38161698

Part#: 201-0360-ORG

Ships in 9 Business Days

$ 4.99 USD

Add to Wish List

Qty

$ 4.99 USD

Add to Wish List

Upgrade any wiring system with this optimal solution, ensuring reliability and durability in any demanding automotive application. Orange in color and 12 Gauge.

Wire With Terminals For 90 Degree 6 Pin Bulkhead (Green)

T#:38161687

Part#: 201-0361-GRN

Ships in 9 Business Days

$ 3.99 USD

Add to Wish List

Qty

$ 3.99 USD

Add to Wish List

Upgrade any wiring system with this optimal solution, ensuring reliability and durability in any demanding automotive application. Green in color and 18 Gauge.

Wire With Terminals For 90 Degree 6 Pin Bulkhead (White)

T#:38161693

Part#: 201-0360-WHT

Ships in 9 Business Days

$ 4.99 USD

Add to Wish List

Qty

$ 4.99 USD

Add to Wish List

Upgrade any wiring system with this optimal solution, ensuring reliability and durability in any demanding automotive application. White in color and 12 Gauge.

Wire With Terminals For 90 Degree 6 Pin Bulkhead - Yellow

T#:38161692

Part#: 201-0360-YEL

Ships in 9 Business Days

$ 4.99 USD

Add to Wish List

Qty

$ 4.99 USD

Add to Wish List

Upgrade any wiring system with this optimal solution, ensuring reliability and durability in any demanding automotive application. Yellow in color and 12 Gauge.

Oil Pressure Switch

5X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
We Price Match - Give Us A Call or Chat!

T#:5944185

Part#: 12618611273

Ships on Dec 4, 2026

$ 6.99 USD

Add to Wish List

Qty

$ 6.99 USD

Add to Wish List

This Meyle Oil Pressure Switch is the ideal service replacement to keep your BMW or European powerhouse performing reliably on the street or track.

Meyle Air Temperature Sensor - 13621739510 - E36, E46, E39, E38, E83,...

5X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!

T#:55281743

Part#: 13621739510

Ships on Dec 4, 2026

$ 21.99 USD

Add to Wish List

Qty

$ 21.99 USD

Add to Wish List

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

10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

T#:401689

Part#: OILTEMPGAUGEBRKK

Back Ordered

Sale - Save 3% $ 199.99

This product was last offered at the strikethrough price on
11-07-2026

$ 193.26 USD

Add to Wish List

Qty

Sale - Save 3%

$ 199.99

This product was last offered at the strikethrough price on
11-07-2026

$ 193.26 USD

Add to Wish List

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.

Show More Show Less

Meyle Camshaft Position Sensor - 12147518628 - 3, 5, 6, 7 Series, X3,...

5X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!

T#:59991931

Part#: 12147518628

Ships on Dec 4, 2026

$ 33.99 USD

Add to Wish List

Qty

$ 33.99 USD

Add to Wish List

Meyle S54 M3 Crankshaft Speed Sensor - 13627548994 - E46 M3

5X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!

T#:59991872

Part#: 13627548994

Ships on Dec 4, 2026

$ 41.99 USD

Add to Wish List

Qty

$ 41.99 USD

Add to Wish List

Meyle Outdoor Temperature Sensor / Probe

5X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
We Price Match - Give Us A Call or Chat!

T#:579266

Part#: 3009190001

Back Ordered

$ 44.99 USD

Add to Wish List

Qty

$ 44.99 USD

Add to Wish List

Common fix for incorrect OBC temperature readings

Select Vehicle

Purpose

Category

Electrical System

Brand

View All Brands

Price

Special Offers

Shipping