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BMW E46 Engine Sensors

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Turner Plug-And-Play Alpha-N IAT Sensor Relocation Kit

ES#4142048 - 014579TMSKT - Turner Plug-And-Play Alpha-N IAT Sensor Relocation Kit - Painless plug-and-play IAT solution for elimination of MAF sensor in favor of Alpha-N tuning. - Turner Motorsport - BMW

Painless plug-and-play IAT solution for elimination of MAF sensor in favor of Alpha-N tuning. 10X Entries For Our 25th Anniversary Sweepstakes!
Drilling Required!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4142048
Mfg#:
014579TMSKT
In Stock
ON SALE! SAVE 25%
$136.36

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

$102.27 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor O-Ring

ES#31851 - 12611744292 - Oil Level Sensor O-Ring - Used to seal sensor to the oil pan - Genuine BMW - BMW

Used to seal sensor to the oil pan

Brand:
Genuine BMW - Corporate Logo
ES#:
31851
Mfg#:
12611744292
In Stock
$9.99

This product was last offered at the strikethrough price on
03-04-2026

$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#252546 - 11781433940 - Oxygen Sensor - Priced Each - 2 Required in each application - Bosch - BMW
ECS Tuning recommends this product.

2 Required in each application 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
252546
Mfg#:
11781433940
In Stock
$147.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Camshaft Position Sensor - Priced Each

ES#34448 - 13627796054 - Exhaust Camshaft Position Sensor - Priced Each - Located on rear of the cylinder head, sensing the exhaust cam - Genuine BMW - BMW

Located on rear of the cylinder head, sensing the exhaust cam Sensor for the exhaust camshaft

Brand:
Genuine BMW - Corporate Logo
ES#:
34448
Mfg#:
13627796054
Ships in 4 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.

$290.99

This product was last offered at the strikethrough price on
07-20-2026

$273.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fluid Level Sensor

ES#38492 - 17137553919 - Fluid Level Sensor - This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level - Genuine BMW - BMW MINI

This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level

Brand:
Genuine BMW - Corporate Logo
ES#:
38492
Mfg#:
17137553919
In Stock
17% off MSRP

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

$49.59

This product was last offered at the strikethrough price on
07-20-2026

$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Manifold Oxygen Sensor - Rear Position/Post-Cat

ES#11025 - 15138 - Front Manifold Oxygen Sensor - Rear Position/Post-Cat - Also BMW # 11781406621. Located in the rear position of the exhaust manifold for cylinders 1-3 on the S54 engine - Bosch - BMW

Also BMW # 11781406621. Located in the rear position of the exhaust manifold for cylinders 1-3 on the S54 engine 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
11025
Mfg#:
15138
In Stock
$145.27 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor

ES#28835 - 12147539171 - Camshaft Position Sensor - Located on rear of the cylinder head, sensing the intake cam - Genuine BMW - BMW

Located on rear of the cylinder head, sensing the intake cam Sensor for the intake camshaft

Brand:
Genuine BMW - Corporate Logo
ES#:
28835
Mfg#:
12147539171
Ships in 4 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.

$247.99

This product was last offered at the strikethrough price on
07-20-2026

$233.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Rear Manifold

ES#261735 - 11787514927 - Oxygen Sensor - Rear Manifold - Located in the rear position of the exhaust manifold - Bosch - BMW

Located in the rear position of the exhaust manifold 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with production date from 03/2003

Brand:
Bosch - Corporate Logo
ES#:
261735
Mfg#:
11787514927
In Stock at Vendor
$139.73 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor

ES#205328 - 12617508003 - Oil Level Sensor - Includes sealing o-ring - Hella - BMW

Includes sealing o-ring

Brand:
Hella - Corporate Logo
ES#:
205328
Mfg#:
12617508003
Back Ordered
$84.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor - Intake

ES#205329 - 12147539165 - Camshaft Position Sensor - Intake - Intake side - Febi - BMW

Intake side 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Includes o-ring.

Brand:
Febi - Corporate Logo
ES#:
205329
Mfg#:
12147539165
Ships in 7 Business Days
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor (MAF)

ES#34325 - 13621432356 - Mass Air Flow Sensor (MAF) - Complete with housing - Genuine BMW - BMW

Complete with housing For vehicles with a production date from 09/1998 up to 03/2003

Brand:
Genuine BMW - Corporate Logo
ES#:
34325
Mfg#:
13621432356
Ships in 4 Business Days
4% off MSRP

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

$670.99

This product was last offered at the strikethrough price on
07-20-2026

$640.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fluid Level Sensor

ES#2874178 - 17137553919 - Fluid Level Sensor - This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level - Febi - BMW MINI

This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2874178
Mfg#:
17137553919
In Stock
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Position Sensor - Priced Each

ES#4871128 - 13637840383 - Throttle Position Sensor - Priced Each - This is the sensor used on individual throttle bodies engines - URO - BMW

This is the sensor used on individual throttle bodies engines 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
2 required per vehicle, One on throttle actuator and one on end of throttle body assembly

Brand:
URO - Corporate Logo
ES#:
4871128
Mfg#:
13637840383
Back Ordered
Auto Notify
$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor

ES#4818555 - 12147539171 - Camshaft Position Sensor - Senses the position of the intake camshaft. New o-ring included to ensure a reliable, leak-free repair. - Bremmen Parts - BMW

Senses the position of the intake camshaft. New o-ring included to ensure a reliable, leak-free repair. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818555
Mfg#:
12147539171
Ships in 1 Business Day
ON SALE! SAVE 20%
$89.99

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

$71.80 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor (MAF)

ES#4941267 - 13627830359 - Mass Air Flow Sensor (MAF) - Restore fuel economy and performance - Holstein - BMW

Restore fuel economy and performance

Brand:
Holstein - Corporate Logo
ES#:
4941267
Mfg#:
13627830359
In Stock
$57.99 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.

Let us help you find the parts that fit your BMW

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