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BMW E34 525i M20 2.5L

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BMW E34 525i M20 2.5L Engine Electrical Parts

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Crankshaft Position Sensor

ES#3141732 - 12141720852 - Crankshaft Position Sensor - Having a crank but no starting issue? This sensor is often the culprit - Facet - BMW

Having a crank but no starting issue? This sensor is often the culprit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Facet - Corporate Logo
ES#:
3141732
Mfg#:
12141720852
Ships in 4 Business Days
$48.99 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4858864
Mfg#:
201-0411
In Stock
$35.99

This product was last offered at the strikethrough price on
01-22-2026

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor

ES#4879323 - 12141740383 - Camshaft Position Sensor - Replace failed original camshaft position sensor to restore proper engine operation - URO - BMW

Replace failed original camshaft position sensor to restore proper engine operation 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#:
4879323
Mfg#:
12141740383
In Stock
$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#3219046 - 12141720856 - Crankshaft Position Sensor - Having a crank but no starting issue? This sensor is often the culprit - Facet - BMW

Having a crank but no starting issue? This sensor is often the culprit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Facet - Corporate Logo
ES#:
3219046
Mfg#:
12141720856
Ships in 2 Business Days
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Position Sensor

ES#34508 - 13631710559 - Throttle Position Sensor - Restore driveability - Genuine BMW - BMW

Restore driveability affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
34508
Mfg#:
13631710559
Ships in 3 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.

$381.99

This product was last offered at the strikethrough price on
06-04-2026

$357.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Titan 96-Piece ATO Blade Fuse Assortment

ES#2950498 - TTN45227 - Titan 96-Piece ATO Blade Fuse Assortment - Convenient re-sealable plastic case - Titan - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Convenient re-sealable plastic case affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Titan - Corporate Logo
ES#:
2950498
Mfg#:
TTN45227
In Stock
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Boost PRO UltraSafe Lithium 3000 Amp Jump Starter - NOCO

ES#4336376 - GB150 - Boost PRO UltraSafe Lithium 3000 Amp Jump Starter - NOCO - This compact, 12V spark-proof jump starter is great for jumping gas vehicles with a 9.0L engine or less and diesel vehicles up to 7.0L, up to 80 times on a single charge. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

This compact, 12V spark-proof jump starter is great for jumping gas vehicles with a 9.0L engine or less and diesel vehicles up to 7.0L, up to 80 times on a single charge. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NOCO - Corporate Logo
ES#:
4336376
Mfg#:
GB150
Ships in 9 Business Days
20% off MSRP

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

$374.99

This product was last offered at the strikethrough price on
06-04-2026

$299.99 USD
Free Shipping
on orders $49 and up

GENIUS 6V / 12V 1 Amp Battery Charger - NOCO

ES#4336355 - GENIUS1 - GENIUS 6V / 12V 1 Amp Battery Charger - NOCO - The GENIUS1 is similar to the G750, just better. It's 35% smaller and delivers 35% more power. And it's simpler and easier to use than ever before. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The GENIUS1 is similar to the G750, just better. It's 35% smaller and delivers 35% more power. And it's simpler and easier to use than ever before. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NOCO - Corporate Logo
ES#:
4336355
Mfg#:
GENIUS1
In Stock
25% off MSRP

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

$39.95

This product was last offered at the strikethrough price on
06-04-2026

$29.94 USD
Free Shipping
on orders $49 and up

Battery Clamp Grease - 50 grams

ES#3514231 - 20244 - Battery Clamp Grease - 50 grams - Excellent corrosion protection for your battery and other connections - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Excellent corrosion protection for your battery and other connections affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3514231
Mfg#:
20244
In Stock
4% off MSRP

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

$6.95

This product was last offered at the strikethrough price on
02-24-2026

$6.69 USD
Free Shipping
on orders $49 and up

MSPNP And DIYPNP IAT Sensor Kit – Aluminum Bung

ES#4390909 - PNP_IAT-A - MSPNP And DIYPNP IAT Sensor Kit Aluminum Bung - This is a simple kit to make it easier for you when removing your AFM/MAF when using a MegaSquirt ECU - MegaSquirt - BMW

This is a simple kit to make it easier for you when removing your AFM/MAF when using a MegaSquirt ECU affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MegaSquirt - Corporate Logo
ES#:
4390909
Mfg#:
PNP_IAT-A
Ships in 10 Business Days
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

120 pc Fuse Assortment

ES#4371741 - W5368 - 120 pc Fuse Assortment - A must for any toolbox. - Performance Tool - Audi BMW Volkswagen Mercedes Benz MINI Porsche

A must for any toolbox. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Performance Tool - Corporate Logo
ES#:
4371741
Mfg#:
W5368
Ships in 2 Business Days
$13.68 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Battery Cut-Off/Kill Switch

ES#3026647 - EA-462 - Battery Cut-Off/Kill Switch - Disconnect your battery in an instant! - OMP - BMW

Disconnect your battery in an instant! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
OMP - Corporate Logo
ES#:
3026647
Mfg#:
EA-462
Back Ordered
Auto Notify
$65.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor

ES#4147192 - 12141740959 - Camshaft Position Sensor - Bremi - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Bremi - Corporate Logo
ES#:
4147192
Mfg#:
12141740959
In Stock at Vendor
$66.99

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

$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EWS Transmitter

ES#169305 - 61358379502 - EWS Transmitter - A common cause of starting issues - Genuine BMW - BMW

A common cause of starting issues affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
169305
Mfg#:
61358379502
Ships in 9 Business Days
3% off MSRP

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

$267.99

This product was last offered at the strikethrough price on
06-04-2026

$258.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Yellow Relay - Priced Each

ES#169405 - 61361389105 - Yellow Relay - Priced Each - Yellow relay used for multiple applications. - Genuine BMW - BMW

Yellow relay used for multiple applications. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
169405
Mfg#:
61361389105
In Stock
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Electronic Boost Control (EBC) Solenoid Kit

ES#4390910 - EBC_Sol_kit - Electronic Boost Control (EBC) Solenoid Kit - This electronic boost control solenoid can be used with the MS3-Pro/MSPNP - MegaSquirt - BMW

This electronic boost control solenoid can be used with the MS3-Pro/MSPNP affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MegaSquirt - Corporate Logo
ES#:
4390910
Mfg#:
EBC_SOL_KIT
Ships in 9 Business Days
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Electrical Parts

With automotive electrical content growing yearly, it has never been more important to keep your charging and electrical system in top working condition. ECS Tuning stocks a huge and constantly growing inventory of electrical sensors, electric motors, and electronic actuators from original equipment and name-brand aftermarket suppliers.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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