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BMW M3 Engine Electrical Parts

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New Alternator - 80 Amp

ES#2724220 - 12311744564 - New Alternator - 80 Amp - Brand new unit with no core charge - Valeo - BMW

Brand new unit with no core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Valeo - Corporate Logo
ES#:
2724220
Mfg#:
12311744564
In Stock at Vendor
$549.99

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

$533.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Pressure Sensor

ES#3198239 - 12618647488 - Engine Oil Pressure Sensor - Genuine BMW - BMW MINI

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

Brand:
Genuine BMW - Corporate Logo
ES#:
3198239
Mfg#:
12618647488
In Stock
10% off MSRP

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

$66.99

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

$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Battery Cable - Positive - Battery Terminal to Under-Floor Cable

ES#3193564 - 61126834543 - Battery Cable - Positive - Battery Terminal to Under-Floor Cable - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
3193564
Mfg#:
61126834543
Ships in 1 day
4% off MSRP

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

$280.99

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

$269.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Throttle body actuator strut - priced each

ES#34226 - 13547838300 - Throttle body actuator strut - priced each - Connects the throttle body actuator to the fuel rail - Genuine BMW - BMW

Connects the throttle body actuator to the fuel rail affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
34226
Mfg#:
13547838300
In Stock
1% off MSRP

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

$24.00

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

$23.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Braille Batteries G30

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

Less voltage drop during cranking affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Braille - Corporate Logo
ES#:
3617620
Mfg#:
G30
Ships in 7 Business Days
$522.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel-It! 650HP S65 E9X BMW M3 LPFP Upgrade - w/ 4PSI Hobbs Switch

ES#4690529 - FIS65M3LPFP - Fuel-It! 650HP S65 E9X BMW M3 LPFP Upgrade - w/ 4PSI Hobbs Switch - Upgrade your fueling system to support your High Horsepower build! - Fuel-It! - BMW

Upgrade your fueling system to support your High Horsepower build! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Fuel-It! - Corporate Logo
ES#:
4690529
Mfg#:
FIS65M3LPFP
Back Ordered
$514.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Alternator - AL9454X

Includes refundable $75.00 core charge. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4325154
Mfg#:
12317837981BKT
In Stock at Vendor
$526.99

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

$513.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor (MAF)

ES#4941252 - 13621703275 - Mass Air Flow Sensor (MAF) - Clear codes, restore performance - Holstein - BMW

Clear codes, restore performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Holstein - Corporate Logo
ES#:
4941252
Mfg#:
13621703275
Ships in 1 Business Day
$126.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring for Camshaft Position Sensor (17 X 2.8 mm)

ES#34449 - 13627796699 - O-Ring for Camshaft Position Sensor (17 X 2.8 mm) - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
34449
Mfg#:
13627796699
In Stock
$7.99 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NOCO - Corporate Logo
ES#:
4389658
Mfg#:
GBX75
In Stock
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
06-04-2026

$249.99 USD
Free Shipping
on orders $49 and up

GENIUS 2 Bank 6V / 12V 4 Amp Battery Charger - NOCO

ES#4364628 - GENIUS2X2 - GENIUS 2 Bank 6V / 12V 4 Amp Battery Charger - NOCO - A two-bank battery charger, battery maintainer, trickle charger, and battery desulfator - the perfect all-in-one solution for battery maintenance. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

A two-bank battery charger, battery maintainer, trickle charger, and battery desulfator - the perfect all-in-one solution for battery maintenance. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NOCO - Corporate Logo
ES#:
4364628
Mfg#:
GENIUS2X2
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.

$124.99

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

$99.99 USD
Free Shipping
on orders $49 and up

Alternator Air Duct - Lower

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

Routes air to cool alternator 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#:
2534823
Mfg#:
12311735915
Back Ordered
$28.99

This product was last offered at the strikethrough price on
05-12-2026

$16.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

Battery Cable - Positive

ES#4920503 - 61126938504 - Battery Cable - Positive - Restores proper engine grounding; eliminates voltage drops and electrical issues. - URO - BMW

Restores proper engine grounding; eliminates voltage drops and electrical issues. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
URO - Corporate Logo
ES#:
4920503
Mfg#:
61126938504
Ships in 1-2 days
$47.99 USD
Free Shipping
on orders $49 and up
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4772590
Mfg#:
12521427615
Ships on Jul 27, 2026
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ON SALE! SAVE 37%
$7.99

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

$5.01 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.

Let us help you find the parts that fit your BMW

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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