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BMW E46 323Ci M52 2.5L

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BMW E46 323Ci M52 2.5L Engine Sensors

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Camshaft Position Sensor

ES#4316483 - 12147539165 - Camshaft Position Sensor - Located on the intake side of the engine - Bavarian Autosport - BMW

Located on the intake side of the engine 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4316483
Mfg#:
12147539165
Ships on Sep 28, 2026
Auto Notify
ON SALE! SAVE 20%
$27.99

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

$22.39 USD
Free Shipping
on orders $49 and up

Oil Pressure Switch - M12x1.5

ES#2534481 - 12611710509 - Oil Pressure Switch - M12x1.5 - Leaking or malfunctioning oil pressure switches can be disastrous - URO - BMW

Leaking or malfunctioning oil pressure switches can be disastrous 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534481
Mfg#:
12611710509
In Stock
$8.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - M8x30mm

ES#14309 - 07119902901 - Hex Bolt - M8x30mm - Replace damaged hardware - Genuine BMW - BMW

Replace damaged hardware Used to secure the engine knock sensor

Brand:
Genuine BMW - Corporate Logo
ES#:
14309
Mfg#:
07119902901
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Innovate LC-2 Wideband O2 Controller Kit

ES#4809696 - 38770 - Innovate LC-2 Wideband O2 Controller Kit - Includes Lambda cable & 8-foot sensor cable. - Innovate Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Includes Lambda cable & 8-foot sensor cable.

Brand:
Innovate Motorsports - Corporate Logo
ES#:
4809696
Mfg#:
38770
In Stock at Vendor
$212.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Precision Raceworks Ethanol Sensor Breakout Harness

ES#4858864 - 201-0411 - Precision Raceworks Ethanol Sensor Breakout Harness - This breakout harness isolates the signal wire from your flex fuel sensor, allowing an external gauge to access the signal without modifying your existing flex fuel harness. - Precision Raceworks - Audi BMW Volkswagen

This breakout harness isolates the signal wire from your flex fuel sensor, allowing an external gauge to access the signal without modifying your existing flex fuel harness.

Brand:
Precision Raceworks - Corporate Logo
ES#:
4858864
Mfg#:
201-0411
In Stock
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Temperature Sensor

ES#2896230 - 13621433076 - Temperature Sensor - Monitors coolant / oil temperature - Vemo - BMW

Monitors coolant / oil temperature

Brand:
Vemo - Corporate Logo
ES#:
2896230
Mfg#:
13621433076
In Stock at Vendor
$22.99

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

$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#2813630 - 12141709616 - Crankshaft Position Sensor - Does not include O-ring - Hamburg Tech - BMW

Does not include O-ring We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813630
Mfg#:
12141709616
Ships in 2 Business Days
ON SALE!
$49.99

This product was last offered at the strikethrough price on
06-25-2026

$47.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Plug Housing

ES#31215 - 12521427615 - Plug Housing - 2 POL - Genuine BMW - BMW MINI

2 POL

Brand:
Genuine BMW - Corporate Logo
ES#:
31215
Mfg#:
12521427615
In Stock
$5.99

This product was last offered at the strikethrough price on
06-08-2026

$5.20 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#3520890 - 12141744492 - Crankshaft Position Sensor - Does not include O-ring - Holstein - BMW

Does not include O-ring

Brand:
Holstein - Corporate Logo
ES#:
3520890
Mfg#:
12141744492
In Stock
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3 Pin Connector

ES#4772586 - 12521732596 - 3 Pin Connector - Includes connector housing with terminals and seals. Commonly used for the camshaft position sensor. - ECS - BMW

Includes connector housing with terminals and seals. Commonly used for the camshaft position sensor. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4772586
Mfg#:
12521732596
In Stock
ON SALE! SAVE 25%
$10.99

This product was last offered at the strikethrough price on
06-13-2026

$8.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Temperature Sensor

ES#4877316 - 13621433076 - Temperature Sensor - Monitors coolant / oil temperature - URO - BMW

Monitors coolant / oil temperature 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4877316
Mfg#:
13621433076
In Stock
$10.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor

Exhaust side sensor - Monitors camshaft position

Brand:
Hitachi - Corporate Logo
ES#:
5396610
Mfg#:
12147518628
Ships in 3 Business Days
$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3 Pin Connector

ES#4772587 - 12521433917 - 3 Pin Connector - Includes connector housing with terminals and seals. Commonly used for the camshaft position sensor. - ECS - BMW

Includes connector housing with terminals and seals. Commonly used for the camshaft position sensor. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4772587
Mfg#:
12521433917
In Stock
ON SALE! SAVE 25%
$10.99

This product was last offered at the strikethrough price on
06-13-2026

$8.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hose Clamp

ES#16326 - 07129952137 - Hose Clamp - Attaches the Intake tube and MAF sensor - Genuine BMW - BMW

Attaches the Intake tube and MAF sensor

Brand:
Genuine BMW - Corporate Logo
ES#:
16326
Mfg#:
07129952137
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor (MAF)

ES#2867842 - 13621432356 - Mass Air Flow Sensor (MAF) - Complete with housing. - Febi - BMW

Complete with housing. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2867842
Mfg#:
13621432356
Ships on Oct 26, 2026
$205.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Sensors

Random check engine light got you down? It's probably a bad sensor! We have all the electrical sensors your engine needs to send information to your ECU so everything stays happy. Find it, fix it, and replace it with our OEM sensors or save some money with quality aftermarket sensors.

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