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BMW E30 325i M20 2.5L

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BMW E30 325i M20 2.5L Engine Electrical Parts

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Coolant Temperature Sensor

ES#2873943 - 12621710512 - Coolant Temperature Sensor - Located in the thermostat housing - Febi - BMW

Located in the thermostat housing 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873943
Mfg#:
12621710512
Ships in 2 Business Days
$20.99

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

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTEK PRO25SE

ES#4492945 - 40-327 - CTEK PRO25SE - The PRO25SE is an innovative, versatile, and highly efficient 25A battery charger and power supply. - CTEK - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The PRO25SE is an innovative, versatile, and highly efficient 25A battery charger and power supply.

Brand:
CTEK - Corporate Logo
ES#:
4492945
Mfg#:
40-327
In Stock at Vendor
$604.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

GENIUS PRO 6V / 12V / 24V 25 Amp Battery Charger - NOCO

ES#4346391 - GENIUSPRO25 - GENIUS PRO 6V / 12V / 24V 25 Amp Battery Charger - NOCO - Similar to the G15000, just more powerful. With the greatest performance and functionality yet, it's a world-class battery charger to let professionals push the limits at incredible charging speeds. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Similar to the G15000, just more powerful. With the greatest performance and functionality yet, it's a world-class battery charger to let professionals push the limits at incredible charging speeds.

Brand:
NOCO - Corporate Logo
ES#:
4346391
Mfg#:
GENIUSPRO25
Ships in 8 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.

$749.99

This product was last offered at the strikethrough price on
08-20-2026

$599.99 USD
Free Shipping
on orders $49 and up

E30 Ignition Wire Set

ES#27956 - 12121720529 - E30 Ignition Wire Set - Includes ignition coil wire and conduit - Genuine BMW - BMW

Includes ignition coil wire and conduit For vehicles with production date from 09/1987

Brand:
Genuine BMW - Corporate Logo
ES#:
27956
Mfg#:
12121720529
Ships in 7 Business Days
1% off MSRP

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

$601.99

This product was last offered at the strikethrough price on
08-20-2026

$597.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Battery Cable - Negative

ES#30186 - 12421719664 - Battery Cable - Negative - Connected to the negative battery terminal and grounds on the chassis - Genuine BMW - BMW

Connected to the negative battery terminal and grounds on the chassis

Brand:
Genuine BMW - Corporate Logo
ES#:
30186
Mfg#:
12421719664
Ships in 1 day
3% off MSRP

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

$64.99

This product was last offered at the strikethrough price on
08-20-2026

$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Kingsborne High-Performance Ignition Wire Set

ES#3024402 - 12-7757P-8 - Kingsborne High-Performance Ignition Wire Set - 8mm ignition wires constructed from premium materials. - Kingsborne - BMW

8mm ignition wires constructed from premium materials.

Brand:
Kingsborne - Corporate Logo
ES#:
3024402
Mfg#:
12-7757P-8
Ships on Sep 8, 2026
$176.99 USD
Free Shipping
on orders $49 and up

Braille Batteries G30

ES#3617620 - G30 - Braille Batteries G30 - Less voltage drop during cranking - Braille - BMW

Less voltage drop during cranking

Brand:
Braille - Corporate Logo
ES#:
3617620
Mfg#:
G30
Ships on Sep 8, 2026
$522.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Boost X UltraSafe Lithium 2500 Amp Jump Starter - NOCO

ES#4389658 - GBX75 - Boost X UltraSafe Lithium 2500 Amp Jump Starter - NOCO - X for Extreme - Boost X is the next generation in jump packs with an all-new design and more powerful jump starts. This 12V battery jumper will jump gas vehicles up to 8.5L and diesel engines up to 6.5L. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

X for Extreme - Boost X is the next generation in jump packs with an all-new design and more powerful jump starts. This 12V battery jumper will jump gas vehicles up to 8.5L and diesel engines up to 6.5L.

Brand:
NOCO - Corporate Logo
ES#:
4389658
Mfg#:
GBX75
Ships in 8 Business Days
22% off MSRP

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

$319.99

This product was last offered at the strikethrough price on
08-20-2026

$249.99 USD
Free Shipping
on orders $49 and up

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
Ships in 5 Business Days
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#2561418 - 12621710512 - Coolant Temperature Sensor - Located in the thermostat housing - FAE - BMW

Located in the thermostat housing

Brand:
FAE - Corporate Logo
ES#:
2561418
Mfg#:
12621710512
In Stock
$28.65

This product was last offered at the strikethrough price on
06-19-2026

$15.76 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Air Duct - Lower

ES#2534823 - 12311735915 - Alternator Air Duct - Lower - Routes air to cool alternator - URO - BMW

Routes air to cool alternator 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534823
Mfg#:
12311735915
Back Ordered
Auto Notify
$30.99

This product was last offered at the strikethrough price on
06-22-2026

$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

THINKEASY Battery Tester

ES#4745611 - 3.03.04.0001 - THINKEASY Battery Tester - Car Battery Tester with Bluetooth 5.0 + APP Automotive Alternator Tester - THINKCAR - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Car Battery Tester with Bluetooth 5.0 + APP Automotive Alternator Tester

Brand:
THINKCAR - Corporate Logo
ES#:
4745611
Mfg#:
3.03.04.0001
Ships in 1 Business Day
$59.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTEK SMARTPASS 120S

ES#4492943 - 40-289 - CTEK SMARTPASS 120S - SMARTPASS 120S charges and supplies the service battery and equipment with 120A - CTEK - Audi BMW Volkswagen Mercedes Benz MINI Porsche

SMARTPASS 120S charges and supplies the service battery and equipment with 120A

Brand:
CTEK - Corporate Logo
ES#:
4492943
Mfg#:
40-289
Back Ordered
$477.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTEK PRO25S

Advanced technology will ensure that a safe, fast charge is delivered to exactly meet the needs of the individual battery.

Brand:
CTEK - Corporate Logo
ES#:
4492944
Mfg#:
40-328
In Stock at Vendor
$468.99 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 For Our 25th Anniversary 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

Alternator Positive Cable

ES#31194 - 12521312124 - Alternator Positive Cable - Grounds the alternator to the chassis - Genuine BMW - BMW

Grounds the alternator to the chassis

Brand:
Genuine BMW - Corporate Logo
ES#:
31194
Mfg#:
12521312124
Ships in 1 day
2% off MSRP

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

$50.99

This product was last offered at the strikethrough price on
08-20-2026

$49.99 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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