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BMW M3 Engine Electrical Parts

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Alternator Pulley - 66mm

ES#29288 - 12311288238 - Alternator Pulley - 66mm - Includes washer - Genuine BMW - BMW

Includes washer

Brand:
Genuine BMW - Corporate Logo
ES#:
29288
Mfg#:
12311288238
Ships in 4 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.

$109.99

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

$106.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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 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

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

Brand:
Genuine BMW - Corporate Logo
ES#:
34226
Mfg#:
13547838300
In Stock
$23.95 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

Brand:
Braille - Corporate Logo
ES#:
3617620
Mfg#:
G30
Ships on Aug 6, 2026
$522.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#263912 - 12141709616 - Crankshaft Position Sensor - Does not include O-ring - Meyle - BMW
ECS Tuning recommends this product.

Does not include O-ring 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
263912
Mfg#:
12141709616
Ships on Sep 29, 2026
Auto Notify
$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Alternator - AL9454X

ES#4325154 - 12317837981bKT - Remanufactured Alternator - AL9454X - Includes refundable $75.00 core charge. - Bosch - BMW

Includes refundable $75.00 core charge. 2X Entries For Our 25th Anniversary Sweepstakes!
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

Oil Level Sensor

ES#2561360 - 12617508003 - Oil Level Sensor - Turn that oil level light off - URO - BMW

Turn that oil level light off 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2561360
Mfg#:
12617508003
Ships in 2 Business Days
$63.99 USD
Free Shipping
on orders $49 and up

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. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4772590
Mfg#:
12521427615
Ships in 4 Business Days
ON SALE! SAVE 25%
$7.99

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

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor O-Ring

ES#3478332 - 12617604790 - Oil Level Sensor O-Ring - Used to seal sensor to the oil pan - Elring - BMW

Used to seal sensor to the oil pan 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
3478332
Mfg#:
12617604790
In Stock
$7.00

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

$5.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fluid Level Sensor

ES#260195 - 17137524812 - Fluid Level Sensor - This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level - URO - 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:
URO - Corporate Logo
ES#:
260195
Mfg#:
17137524812
In Stock
$10.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Leak Detection Pump - Priced Each

ES#37298 - 16137193479 - Leak Detection Pump - Priced Each - Located under the vehicle, near the transmission bellhousing or in the rear. Used to diagnose leaks in the evap system. - Genuine BMW - BMW MINI

Located under the vehicle, near the transmission bellhousing or in the rear. Used to diagnose leaks in the evap system.

Brand:
Genuine BMW - Corporate Logo
ES#:
37298
Mfg#:
16137193479
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.

$266.99

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

$250.99 USD
Free Shipping
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
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
07-20-2026

$249.99 USD
Free Shipping
on orders $49 and up

Earth Strap

ES#2611927 - 61129268382 - Earth Strap - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
2611927
Mfg#:
61129268382
In Stock
2% off MSRP

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

$45.99

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

$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

2013+ TypeB 4BAR Adapter

ES#4159427 - TypeB4BARAdapter - 2013+ TypeB 4BAR Adapter - Allows use of a 4 BAR map sensor to raise the maximum boost range up to 43psi! - Burger Motorsports - BMW

Allows use of a 4 BAR map sensor to raise the maximum boost range up to 43psi!

Brand:
Burger Motorsports - Corporate Logo
ES#:
4159427
Mfg#:
TYPEB4BARADAPTER
Back Ordered
Auto Notify
$35.00 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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