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BMW E46 325Ci M54 2.5L

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BMW E46 325Ci M54 2.5L Engine Sensors

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Race German Coolant Temperature Sender Adapter - 1/8NPT

ES#4493067 - RGCTSA1/8NPT - Race German Coolant Temperature Sender Adapter - 1/8NPT - Splice into your cooling system to add an aftermarket coolant temperature sensor and gauge! - Race German - BMW

Splice into your cooling system to add an aftermarket coolant temperature sensor and gauge!

Brand:
Race German - Corporate Logo
ES#:
4493067
Mfg#:
RGCTSA1/8NPT
In Stock
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor

ES#4316514 - 12147518628 - Camshaft Position Sensor - Exhaust side, includes a new o-ring seal - Bremmen Parts - BMW

Exhaust side, includes a new o-ring seal 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4316514
Mfg#:
12147518628
Ships in 6 Business Days
ON SALE! SAVE 16%
$31.99

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

$26.87 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pressure Switch - M12x1.5

ES#2873941 - 12617568480 - Oil Pressure Switch - M12x1.5 - Leaking or malfunctioning oil pressure switches can be disastrous - Febi - BMW
ECS Tuning recommends this product.

Leaking or malfunctioning oil pressure switches can be disastrous We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873941
Mfg#:
12617568480
In Stock
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

2 Pin Connector

ES#4772590 - 12521427615 - 2 Pin Connector - Includes connector housing with terminals and seals. Commonly used for the engine oil pressure switch. - ECS - BMW MINI

Includes connector housing with terminals and seals. Commonly used for the engine oil pressure switch. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4772590
Mfg#:
12521427615
In Stock
ON SALE! SAVE 25%
$7.99

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

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Front Manifold

ES#27247 - 11787523434 - Oxygen Sensor - Front Manifold - Located in the front position of the exhaust manifold - Genuine BMW - BMW

Located in the front position of the exhaust manifold For vehicles with production date from 03/2003

Brand:
Genuine BMW - Corporate Logo
ES#:
27247
Mfg#:
11787523434
Ships in 2 Business Days
6% off MSRP

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

$524.99

This product was last offered at the strikethrough price on
09-06-2026

$493.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Rear Manifold

ES#27248 - 11787523435 - Oxygen Sensor - Rear Manifold - Located in the front position of the exhaust manifold - Genuine BMW - BMW

Located in the front position of the exhaust manifold For vehicles with production date from 03/2003

Brand:
Genuine BMW - Corporate Logo
ES#:
27248
Mfg#:
11787523435
Ships in 2 Business Days
6% off MSRP

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

$524.99

This product was last offered at the strikethrough price on
09-06-2026

$493.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring for Camshaft Position Sensor (17 X 3 mm)

ES#2828422 - 12141748398 - O-Ring for Camshaft Position Sensor (17 X 3 mm) - Always replace the o-ring when replacing sensor - URO - BMW

Always replace the o-ring when replacing sensor 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2828422
Mfg#:
12141748398
In Stock
$1.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Knock Sensor

ES#34436 - 13627568422 - Knock Sensor - Detects engine ping and changes timing accordingly - Genuine BMW - BMW

Detects engine ping and changes timing accordingly

Brand:
Genuine BMW - Corporate Logo
ES#:
34436
Mfg#:
13627568422
Ships in 2 Business Days
9% off MSRP

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

$173.99

This product was last offered at the strikethrough price on
09-06-2026

$158.99 USD
Free Shipping
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

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 Into Our F80 M3 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

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

Oxygen Sensor - Front Manifold

ES#261729 - 11787514926 - Oxygen Sensor - Front Manifold - Located in the rear position of the exhaust manifold - Bosch - BMW

Located in the rear position of the exhaust manifold We Price Match - Give Us A Call or Chat!
For vehicles with production date from 03/2003

Brand:
Bosch - Corporate Logo
ES#:
261729
Mfg#:
11787514926
Ships in 1-2 days
$157.99

This product was last offered at the strikethrough price on
04-09-2026

$103.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Intake Temperature Sensor

ES#3023844 - 13621739510 - Intake Temperature Sensor - Monitors intake air temperature - Hella - BMW
ECS Tuning recommends this product.

Monitors intake air temperature

Brand:
Hella - Corporate Logo
ES#:
3023844
Mfg#:
13621739510
Back Ordered
Auto Notify
$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Front Manifold

ES#27239 - 11787514926 - Oxygen Sensor - Front Manifold - Located in the rear position of the exhaust manifold - Genuine BMW - BMW

Located in the rear position of the exhaust manifold For vehicles with production date from 03/2003

Brand:
Genuine BMW - Corporate Logo
ES#:
27239
Mfg#:
11787514926
In Stock
ON SALE!
$369.99

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

$340.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Rear Manifold

ES#27240 - 11787514927 - Oxygen Sensor - Rear Manifold - Located in the rear position of the exhaust manifold - Genuine BMW - BMW

Located in the rear position of the exhaust manifold For vehicles with production date from 03/2003

Brand:
Genuine BMW - Corporate Logo
ES#:
27240
Mfg#:
11787514927
In Stock
ON SALE!
$369.99

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

$340.99 USD
Free Shipping
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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