Sensors for BMW 3 Series E46 (1999-2005)

Clear BMW chassis

Please ensure your correct model is selected

When it comes to BMW and Mini, there is no shortage of sensors on your vehicle! Below you can find many of the crucial sensors that lead to error messages and check engine lights being displayed when a fault has occurred. Get your BMW/MINI back on the road with these Genuine BMW or high-quality OEM parts.

Sub-Categories

Sort By:
Genuine BMW Knock Sensor - S54 3.2L
Genuine BMW Knock Sensor - S54 3.2L
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:38666
Part#: 12147839167
In Stock at Vendor
13% 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.

$ 76.99 USD
Free Shipping
Add to Wish List
13% 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.

$ 76.99 USD
Free Shipping
Add to Wish List


Genuine BMW Ping Sensor
This item fits the following BMW Chassis:
E46 M3,E85 Z4M,E46,E85 Z4,E86 Z4

Fits BMW Engines including:
S54

Crankshaft Sensor O-Ring (18 X 1.2 Mm)
Crankshaft Sensor O-Ring (18 X 1.2 Mm)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Victor Reinz - Corporate Logo
T#:13233505
Part#: 12141402705
In Stock at Vendor
$ 1.49 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 1.49 USD
Free Shipping on orders $49 and up
Add to Wish List
This O-Ring can sometimes leak at the bottom of your engine and need to be replaced. Fits around the head of the lower crankshaft sensor and provides a connection point.
Hitachi Camshaft Position Sensor - E39, E46, E53, E60, E63, E64, E65, E66, E83, Z3, Z4
Hitachi Camshaft Position Sensor - E39, E46, E53, E60, E63, E64, E65,...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Hitachi - Corporate Logo
T#:48850055
Part#: 12147518628
Ships in 2 Business Days
New Item
$ 71.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 71.99 USD
Free Shipping on orders $49 and up
Add to Wish List
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.
Show More Show Less
Hitachi Camshaft Position Sensor - Intake - BMW M52TU M54
Hitachi Camshaft Position Sensor - Intake - BMW M52TU M54
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Hitachi - Corporate Logo
T#:48850072
Part#: 12147539165
In Stock at Vendor
New Item
$ 41.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 41.99 USD
Free Shipping on orders $49 and up
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. Uses O-ring # 12 141 748 398 (not included)
Show More Show Less
Genuine BMW Crankshaft Sensor O-Ring (18 X 1.2 mm) - E46 Z3 Z4
Genuine BMW Crankshaft Sensor O-Ring (18 X 1.2 mm) - E46 Z3 Z4 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:38297
Part#: 12141402705
Ships in 2 Business Days
$ 15.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 15.99 USD
Free Shipping on orders $49 and up
Add to Wish List


Genuine BMW O-Ring - 18X1,2
This item fits the following BMW Chassis:
E46 M3,E85 Z4M,E46,E85 Z4,E86 Z4

Fits BMW Engines including:
S54

Vehicle Alarm System Control Unit - E39, E46
Vehicle Alarm System Control Unit - E39, E46
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:154859
Part#: 65756938049
Ships in 8 Business Days
2% off MSRP $ 223.99

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

$ 219.99 USD
Free Shipping
Add to Wish List
2% off MSRP
$ 223.99

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

$ 219.99 USD
Free Shipping
Add to Wish List


Genuine BMW Ultra Sonic-Module -
This item fits the following BMW Chassis:
E39,E46

FAE Air Temperature Sensor - E36, E38, E39, E46, E53, E83
FAE Air Temperature Sensor - E36, E38, E39, E46, E53, E83
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
FAE - Corporate Logo
T#:596540
Part#: 13621739510
Ships on Aug 4, 2026
$ 12.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 12.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Monitors intake air temperature
2 Pin Connector
2 Pin Connector
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ECS - Corporate Logo
T#:33412928
Part#: 12521427615
Ships in 10 Business Days
Sale - Save 25% $ 7.99

This product was last offered at the strikethrough price on
06-14-2026

$ 5.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Sale - Save 25%
$ 7.99

This product was last offered at the strikethrough price on
06-14-2026

$ 5.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Includes connector housing with terminals and seals. Commonly used for the engine oil pressure switch. ECS Tuning replacement harness connectors include all necessary pins and wire seals for a complete harness repair. Whether you have a broken harness connector or need a complete wiring repair, we have the components you need. Each connector includes an additional terminal in case one becomes lost or damaged during installation. *OEM cross reference PN# 12521427615 - Commonly used for the engine oil pressure switch. Please reference the original part number from the existing connector to confirm fitment, before ordering. Suggested tools: Suggested crimping pliers: T#387193 Wire De-pin tools: 12pc De-Pin Tool Set - T#386379 23pc De-Pin Tool Set - T#641943
Show More Show Less
Febi Camshaft Position Sensor
Febi Camshaft Position Sensor
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Febi - Corporate Logo
T#:368897
Part#: 12147518628
Special Order: No Guaranteed ETA
$ 48.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 48.99 USD
Free Shipping on orders $49 and up
Add to Wish List
A faulty cam sensor can lead to issues like difficulty starting and stalling at low speeds. Replacing the cam sensor often resolves many drivability problems. Requires O-ring #12141748398 (not included).
Show More Show Less
Meyle Exhaust Camshaft Position Sensor - BMW S54 S62
Meyle Exhaust Camshaft Position Sensor - BMW S54 S62
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Meyle - Corporate Logo
T#:55497462
Part#: 3148000038
Ships on Nov 12, 2026
New Item
$ 26.99 USD
Add to Wish List
$ 26.99 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
Oil Temperature Sensor And Gauge Kit - Green & White - Multiple BMWs
Oil Temperature Sensor And Gauge Kit - Green & White - Multiple BMWs ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Packaged by Turner - Corporate Logo
T#:401690
Part#: OILTEMPGAUGEKT1
Ships on Nov 18, 2026
Sale - Save 2% $ 196.99

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

$ 193.26 USD
Free Shipping
Add to Wish List
Sale - Save 2%
$ 196.99

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

$ 193.26 USD
Free Shipping
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
Oil Temperature Sensor And Gauge Kit - Blue & Red - Multiple BMWs
Oil Temperature Sensor And Gauge Kit - Blue & Red - Multiple BMWs ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Packaged by Turner - Corporate Logo
T#:401689
Part#: OILTEMPGAUGEBRKK
Ships on Nov 18, 2026
Sale - Save 2% $ 196.99

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

$ 193.26 USD
Free Shipping
Add to Wish List
Sale - Save 2%
$ 196.99

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

$ 193.26 USD
Free Shipping
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
Hitachi Crankshaft Position Sensor - BMW M52 S52 M54
Hitachi Crankshaft Position Sensor - BMW M52 S52 M54
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Hitachi - Corporate Logo
T#:48815470
Part#: 12141709616
Back Ordered
New Item
$ 32.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 32.99 USD
Free Shipping on orders $49 and up
Add to Wish List
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.
Show More Show Less
URO - Camshaft Position Sensor - E46 323Ci, E46 325i, E39 528i, Z3 2.5i
URO - Camshaft Position Sensor - E46 323Ci, E46 325i, E39 528i, Z3 2....
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
URO - Corporate Logo
T#:33679726
Part#: 12147539165
Back Ordered
$ 18.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 18.99 USD
Free Shipping on orders $49 and up
Add to Wish List

URO Camshaft Position Sensor is a premium replacement component specifically designed for BMW vehicles, ensuring optimal engine performance and reliability. Manufactured by Turner Motorsport, this camshaft position sensor plays a crucial role in maintaining accurate timing and enhancing overall engine efficiency. By upgrading to the URO Camshaft Position Sensor, BMW owners can expect improved engine responsiveness and a significant reduction in potential diagnostic trouble codes.

  • Enhanced Engine Performance: Ensures precise timing and efficient engine operation, contributing to superior overall performance.
  • Durable Construction: Crafted from high-quality materials that withstand extreme conditions for long-lasting durability.
  • Easy Installation: Designed for a direct fit, facilitating straightforward installation for both professionals and DIY enthusiasts.
  • Reliable OEM Replacement: Matches OEM specifications, providing peace of mind and preserving the integrity of the vehicle.
Show More Show Less
URO Crankshaft Position Sensor - BMW E46
URO Crankshaft Position Sensor - BMW E46
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
URO - Corporate Logo
T#:37858384
Part#: 13627548994
Back Ordered
$ 19.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 19.99 USD
Free Shipping on orders $49 and up
Add to Wish List

URO Crankshaft Position Sensor - BMW E46

URO Crankshaft Position Sensor - BMW E46 is a premium replacement designed to restore precise engine timing and eliminate performance issues caused by a faulty sensor. This direct-fit OE replacement ensures accurate crankshaft position readings for smooth engine operation and reliable performance.

  • Direct-fit OE replacement restores proper engine timing and functionality
  • Eliminates check engine lights and trouble codes caused by a failed sensor
  • High-quality polymer and metal construction withstands extreme engine temperatures
  • Alloy conductors minimize electrical resistance for precise signal transmission at any RPM
  • Ensures optimal fuel efficiency and engine performance
  • Backed by a 24-month unlimited mileage warranty

Compatible with BMW E46 models, this URO Crankshaft Position Sensor delivers long-lasting reliability and smooth engine operation.

Show More Show Less
Meyle Outdoor Temperature Sensor / Probe
Meyle Outdoor Temperature Sensor / Probe
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Meyle - Corporate Logo
T#:579266
Part#: 3009190001
Special Order: No Guaranteed ETA
$ 44.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 44.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Common fix for incorrect OBC temperature readings

Select Vehicle

BMW Mini
Clear Vehicle

Purpose

Category

Brand

Price

$
$

Special Offers

Shipping