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BMW M3 Engine Electrical Parts

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Bearing Accelator Bowden Cable

ES#34148 - 13541747519 - Bearing Accelator Bowden Cable - Located on throttle body housing - Genuine BMW - BMW

Located on throttle body housing

Brand:
Genuine BMW - Corporate Logo
ES#:
34148
Mfg#:
13541747519
In Stock
$2.31 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Schwaben Digital Circuit Tester With Test Probes

ES#3979351 - 029054SCH01A - Schwaben Digital Circuit Tester With Test Probes - Circuit tester for 6-24 Volt systems! - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Circuit tester for 6-24 Volt systems! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
3979351
Mfg#:
029054SCH01A
Ships on Jan 13, 2027
ON SALE!
$37.99

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

$36.09 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

Brand:
MegaSquirt - Corporate Logo
ES#:
4390910
Mfg#:
EBC_SOL_KIT
Ships in 4 Business Days
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

5-Prong Fuel Injection Relay

ES#3038970 - 12631708646 - 5-Prong Fuel Injection Relay - Fuel Injection Relay Replacement - Hella - BMW

Fuel Injection Relay Replacement

Brand:
Hella - Corporate Logo
ES#:
3038970
Mfg#:
12631708646
In Stock at Vendor
$21.99

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

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Alternator - 120amp

ES#3195790 - 12317831436lKT - Remanufactured Alternator - 120amp - Rebuilt in America to a high standard - featuring a one year warranty. $70.00 core charge included. - Lucas - BMW

Rebuilt in America to a high standard - featuring a one year warranty. $70.00 core charge included.

Brand:
Lucas - Corporate Logo
ES#:
3195790
Mfg#:
12317831436LKT
Ships on Aug 6, 2026
$250.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Electrical Connector Housing

ES#31304 - 12521707283 - Electrical Connector Housing - The housing for a 20 pin connector - Genuine BMW - BMW

The housing for a 20 pin connector

Brand:
Genuine BMW - Corporate Logo
ES#:
31304
Mfg#:
12521707283
In Stock
ON SALE!
$19.99

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

$19.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil, 4-Pack

ES#5435316 - MMIG-BMW-0204 - Ignition Coil, 4-Pack - Designed to restore the factory performance and fuel efficiency of a wide range of BMW models from 2002 to 2016. - Mishimoto - BMW

Designed to restore the factory performance and fuel efficiency of a wide range of BMW models from 2002 to 2016.

Brand:
Mishimoto - Corporate Logo
ES#:
5435316
Mfg#:
MMIG-BMW-0204
Ships in 3 Business Days
$123.99 USD
Free Shipping
on orders $49 and up

Crankshaft Position Sensor

ES#2813877 - 13627525015 - Crankshaft Position Sensor - Having a crank but no starting issue? This sensor is often the culprit - Hamburg Tech - BMW

Having a crank but no starting issue? This sensor is often the culprit We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813877
Mfg#:
13627525015
In Stock at Vendor
$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor

ES#4879326 - 13627796054 - Camshaft Position Sensor - For BMW owners looking to keep their S54- or S62-powered vehicle running smoothly. - URO - BMW

For BMW owners looking to keep their S54- or S62-powered vehicle running smoothly. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4879326
Mfg#:
13627796054
Ships in 1 Business Day
$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Battery Cable - Positive

ES#165044 - 61136910539 - Battery Cable - Positive - Positive battery cable, located in the trunk - Genuine BMW - BMW

Positive battery cable, located in the trunk

Brand:
Genuine BMW - Corporate Logo
ES#:
165044
Mfg#:
61136910539
Ships in 2 Business Days
2% off MSRP

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

$123.99

This product was last offered at the strikethrough price on
07-21-2026

$120.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

Brand:
MegaSquirt - Corporate Logo
ES#:
4390909
Mfg#:
PNP_IAT-A
Ships in 5 Business Days
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring Seal

ES#2801859 - 12141748398 - O-Ring Seal - Always replace the o-ring when replacing sensor - Rein - 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:
Rein - Corporate Logo
ES#:
2801859
Mfg#:
12141748398
In Stock
$4.99

This product was last offered at the strikethrough price on
06-29-2026

$2.75 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Pulley

ES#29373 - 12311432988 - Alternator Pulley - Genuine BMW replacement alternator pulley. - Genuine BMW - BMW

Genuine BMW replacement alternator pulley.

Brand:
Genuine BMW - Corporate Logo
ES#:
29373
Mfg#:
12311432988
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.

$122.99

This product was last offered at the strikethrough price on
07-21-2026

$118.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Scratch and Dent Item

VTT Ignition Coil Conversion Kit - S55/N55 To B58 - Blue Anodized Brackets *Scratch And Dent*

ES#5457041 - VTTS55CLCNVBLU - VTT Ignition Coil Conversion Kit - S55/N55 To B58 - Blue Anodized Brackets *Scratch And Dent* - Upgrade your coils to the new and improved B58 ignition coil which support over 1000whp! - Scratch & Dent - BMW

Upgrade your coils to the new and improved B58 ignition coil which support over 1000whp! ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!

Brand:
Scratch & Dent - Corporate Logo
ES#:
5457041
Mfg#:
VTTS55CLCNVBLU
In Stock
ON SALE! SAVE 30%
$335.99

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

$235.00 USD
Free Shipping
on orders $49 and up

Remanufactured Starter

ES#2724206 - 12411740379ktbKT - Remanufactured Starter - Remanufactured unit, $52 refundable core charge included in price. - Bosch - BMW

Remanufactured unit, $52 refundable core charge included in price. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! Does not have threaded mounting holes.

Brand:
Bosch - Corporate Logo
ES#:
2724206
Mfg#:
12411740379KTBKT
In Stock
$234.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Power Distribution Box - Front

ES#2563153 - 61149224866 - Power Distribution Box - Front - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
2563153
Mfg#:
61149224866
Ships in 2 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.

$123.99

This product was last offered at the strikethrough price on
07-21-2026

$116.99 USD
Free Shipping
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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