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BMW M3 Engine Electrical Parts

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ES#31912 - 12631742690 - Relay - Salmon Red - Used in many places on late model BMWs - Genuine BMW - BMW MINI

Used in many places on late model BMWs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
31912
Mfg#:
12631742690
Ships in 3 Business Days
8% off MSRP

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

$24.99

This product was last offered at the strikethrough price on
06-03-2026

$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4810312 - 900.1008 - ReFlex+ Main Injector Harness - Inline-6 - Main Injector Harness For Installation of ReFlex+ For Inline-6 BMW Engines - Motiv Motorsports - BMW

Main Injector Harness For Installation of ReFlex+ For Inline-6 BMW Engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Motiv Motorsports - Corporate Logo
ES#:
4810312
Mfg#:
900.1008
In Stock
$200.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2550740 - 12120032273 - Spark Plug - Priced Each - NGK - BMW
ECS Tuning recommends this product.

Priced Each affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
2550740
Mfg#:
12120032273
In Stock
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4465086 - CTEK40-206 - CTEK Battery Charger - MXS 5.0 4.3 Amp 12 Volt - Fully automatic microprocessor controlled charger with built-in automatic temperature sensor - CTEK - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Fully automatic microprocessor controlled charger with built-in automatic temperature sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTEK - Corporate Logo
ES#:
4465086
Mfg#:
CTEK40-206
In Stock
$113.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4766522 - 13627599042 - MAP Sensor - Replace your faulty sensor to restore engine performance and fuel economy - Bremmen Parts - BMW

Replace your faulty sensor to restore engine performance and fuel economy affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766522
Mfg#:
13627599042
In Stock
ON SALE! SAVE 18%
$56.99

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

$46.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4759694 - 12317837981 - New Alternator - 180amp - Brand new, not remanufactured. No core charge! - Bavarian Autosport - BMW

Brand new, not remanufactured. No core charge! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4759694
Mfg#:
12317837981
In Stock
ON SALE! SAVE 15%
$304.99

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

$259.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2526534 - 12131703228 - Ignition Coil - Priced Each - Get your engine working flawlessly with new ignition coils - Bremi - BMW

Get your engine working flawlessly with new ignition coils affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Bremi - Corporate Logo
ES#:
2526534
Mfg#:
12131703228
In Stock
$62.99

This product was last offered at the strikethrough price on
12-17-2025

$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4212587 - 84106833994 - Battery - Atm2 - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
4212587
Mfg#:
84106833994
In Stock
3% off MSRP

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

$101.99

This product was last offered at the strikethrough price on
06-03-2026

$98.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2628626 - 11787537984 - E9X M3 Oxygen Sensor - Priced Each - Located on the catalytic converters, 2 required - Bosch - BMW
ECS Tuning recommends this product.

Located on the catalytic converters, 2 required 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#:
2628626
Mfg#:
11787537984
In Stock
$180.99

This product was last offered at the strikethrough price on
04-09-2026

$165.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3198244 - 13628644432 - MAP Sensor - Replace your faulty sensor to restore engine performance and fuel economy - Genuine BMW - BMW

Replace your faulty sensor to restore engine performance and fuel economy affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
3198244
Mfg#:
13628644432
In Stock
6% off MSRP

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

$162.99

This product was last offered at the strikethrough price on
06-03-2026

$153.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2576206 - 0280218062 - Mass Air Flow Sensor (MAF) - Restore fuel economy and performance - Bosch - BMW

Restore fuel economy and performance 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#:
2576206
Mfg#:
0280218062
In Stock
$203.59

This product was last offered at the strikethrough price on
03-09-2026

$174.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4390906 - MSPNPPro-E369395 - MS3Pro PNP Plug And Play ECU - 325i/E36/M3 525/E34 1993-1995  - Replace your 413 or 506 DME with a tunable racing ECU! - MegaSquirt - BMW

Replace your “413” or “506” DME with a tunable racing ECU! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MegaSquirt - Corporate Logo
ES#:
4390906
Mfg#:
MSPNPPRO-E369395
Ships in 6 Business Days
$1499.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3625206 - 13627525015 - Crankshaft Position Sensor - Having a crank but no starting issue? This sensor is often the culprit - FAE - BMW
ECS Tuning recommends this product.

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:
FAE - Corporate Logo
ES#:
3625206
Mfg#:
13627525015
In Stock
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4046201 - 13627838085KT1 - Throttle Body Actuator - Set - E9x M3 S65 - Pair of throttle body actuators with arms - Genuine BMW - BMW

Pair of throttle body actuators with arms affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
4046201
Mfg#:
13627838085KT1
In Stock
$2199.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4858502 - B48-H6-L3 - Endurance Series AGM Battery - B48-H6-L3 - Designed for a wide range of demanding, high performance applications, this battery is reliable, long-lasting, and engineered for high shock and vibration applications. - Braille - Audi BMW Volkswagen Mercedes Benz Porsche

Designed for a wide range of demanding, high performance applications, this battery is reliable, long-lasting, and engineered for high shock and vibration applications. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Braille - Corporate Logo
ES#:
4858502
Mfg#:
B48-H6-L3
Ships in 4 Business Days
$398.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4871774 - 13628644433 - MAP Sensor - Measures the pressure in the intake and turbocharger system - URO - BMW

Measures the pressure in the intake and turbocharger system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with a production date from 07/2018+

Brand:
URO - Corporate Logo
ES#:
4871774
Mfg#:
13628644433
In Stock
$70.99 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.

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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