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BMW E34 525i M50 2.5L

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BMW E34 525i M50 2.5L Engine Sensors

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

ES#2524792 - 12141748398 - O-Ring for Camshaft Position Sensor (17 X 3 mm) - Always replace the o-ring when replacing sensor - MTC - BMW

Always replace the o-ring when replacing sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 09/92

Brand:
MTC - Corporate Logo
ES#:
2524792
Mfg#:
12141748398
Ships in 3 Business Days
$1.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sender

ES#2873944 - 12621747281 - Coolant Temperature Sender - 2 pin - Febi - BMW

2 pin affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with production date from 09/1992

Brand:
Febi - Corporate Logo
ES#:
2873944
Mfg#:
12621747281
Back Ordered
Auto Notify
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Temperature Sensor

ES#2534319 - 13621284397 - Engine Temperature Sensor - 2-pin with black connector - URO - BMW Volkswagen Porsche

2-pin with black connector affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534319
Mfg#:
13621284397
Ships in 1 Business Day
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sender

ES#2895899 - 12621747281 - Coolant Temperature Sender - 2 pin - Vemo - BMW

2 pin affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 09/1992

Brand:
Vemo - Corporate Logo
ES#:
2895899
Mfg#:
12621747281
Special Order: No Guaranteed ETA
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#4327628 - 13621709966 - Coolant Temperature Sensor - 2-pin with blue connector - Meyle - BMW Volkswagen Porsche

2-pin with blue connector affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4327628
Mfg#:
13621709966
Ships on Oct 22, 2026
$13.31

This product was last offered at the strikethrough price on
12-29-2025

$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sender

ES#2801116 - 12621747281 - Coolant Temperature Sender - 2 pin - Meistersatz - BMW

2 pin affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 09/1992

Brand:
Meistersatz - Corporate Logo
ES#:
2801116
Mfg#:
12621747281
Ships in 3 Business Days
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pressure Switch - M12x1.5

Leaking or malfunctioning oil pressure switches can be disastrous affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hella - Corporate Logo
ES#:
3691151
Mfg#:
12611710509
Special Order: No Guaranteed ETA
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

o-ring - priced each

ES#2801996 - 12611277602 - o-ring - priced each - 42x3. Found in the oil pan. - Rein - BMW
ECS Tuning recommends this product.

42x3. Found in the oil pan. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2801996
Mfg#:
12611277602
Ships in 3 Business Days
$7.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring for Camshaft Position Sensor (18 X 2 mm)

ES#2802308 - 12141727220 - O-Ring for Camshaft Position Sensor (18 X 2 mm) - Rein - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with production date up to 08/92

Brand:
Rein - Corporate Logo
ES#:
2802308
Mfg#:
12141727220
Ships in 3 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

ES#2977052 - 11781735680 - Oxygen Sensor - Fuel control and emissions control sensor - Genuine BMW - BMW

Fuel control and emissions control sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2977052
Mfg#:
11781735680
Special Order: No Guaranteed ETA
7% off MSRP

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

$445.99

This product was last offered at the strikethrough price on
06-12-2026

$415.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Mass Air Flow Sensor

Includes $300 core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 09/1992

Brand:
Genuine BMW - Corporate Logo
ES#:
2966349
Mfg#:
13627527518KT
Ships in 10 Business Days
$2264.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Temperature Sensor And Gauge Kit - Green/White

ES#3173689 - oiltempgaugeKT - Oil Temperature Sensor And Gauge Kit - Green/White - The perfect combination for your oil temperature needs, a Turner oil sensor flange with a Prosport gauge! - Assembled By ECS - BMW

The perfect combination for your oil temperature needs, a Turner oil sensor flange with a Prosport gauge! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3173689
Mfg#:
OILTEMPGAUGEKT
Ships on Oct 22, 2026
ON SALE!
$196.99

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

$193.26 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Oil Temperature Sensor And Gauge Kit - Blue/Red

ES#3173690 - oiltempgaugeBRKT - Oil Temperature Sensor And Gauge Kit - Blue/Red - The perfect combination for your oil temperature needs, a Turner oil sensor flange with a Prosport gauge! - Assembled By ECS - BMW

The perfect combination for your oil temperature needs, a Turner oil sensor flange with a Prosport gauge! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3173690
Mfg#:
OILTEMPGAUGEBRKT
Ships on Oct 22, 2026
ON SALE!
$196.99

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

$193.26 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Coolant Temperature Sensor

ES#4327479 - 12621747281 - Coolant Temperature Sensor - Located on the cylinder head - Meyle - BMW

Located on the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4327479
Mfg#:
12621747281
Special Order: No Guaranteed ETA
$12.99 USD
Free Shipping
on orders $49 and up

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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Manufacturer names and/or part numbers are used only for identification purposes.

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