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BMW M3 Engine Electrical Parts

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

The housing for a 20 pin connector affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
31304
Mfg#:
12521707283
In Stock
5% off MSRP

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

$20.99

This product was last offered at the strikethrough price on
06-05-2026

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2210701 - 61129269907 - Positive Battery Cable - Runs from the battery to the starter - Genuine BMW - BMW

Runs from the battery to the starter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2210701
Mfg#:
61129269907
Ships in 1-2 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.

$223.99

This product was last offered at the strikethrough price on
06-05-2026

$217.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
3979351
Mfg#:
029054SCH01A
Ships on Nov 27, 2026
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
ES#2575617 - 12129069877KT - Spark Plug - Set Of Six - Factory direct replacement - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
2575617
Mfg#:
12129069877KT
Ships in 1-2 days
$215.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2702165 - 16136756440 - Leak Diagnosis Pump - Located under the vehicle, near the transmission bellhousing or in the rear. - Bosch - BMW

Located under the vehicle, near the transmission bellhousing or in the rear. 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#:
2702165
Mfg#:
16136756440
Back Ordered
$221.99

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

$215.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2895676 - 12141708619 - Crankshaft Sensor (Motronic Ignition) - Referred to as the speed sensor & crankshaft position sensor - Vemo - BMW

Referred to as the speed sensor & crankshaft position sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
2895676
Mfg#:
12141708619
In Stock at Vendor
$110.99

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

$107.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4493066 - RGCTSAM12 - Race German Coolant Temperature Sender Adapter - M12x1.5 - Splice into your cooling system to add an aftermarket coolant temperature sensor and gauge! - Race German - BMW

Splice into your cooling system to add an aftermarket coolant temperature sensor and gauge! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race German - Corporate Logo
ES#:
4493066
Mfg#:
RGCTSAM12
In Stock
$35.99 USD
Free Shipping
on orders $49 and up
ES#2738654 - 61128373946t - Negative Battery Cable T Bolt  - Replace the T bolt for securing the battery cable without replacing the whole cable - URO - Audi BMW Volkswagen MINI

Replace the T bolt for securing the battery cable without replacing the whole cable 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#:
2738654
Mfg#:
61128373946T
In Stock
$9.77 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2570297 - 12311747920 - Voltage Regulator - Ensures proper voltage being sent to the alternator - Bosch - BMW

Ensures proper voltage being sent to the alternator 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#:
2570297
Mfg#:
12311747920
Back Ordered
$217.00

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

$210.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4031177 - GENIUS5 - GENIUS 6V / 12V 5 Amp Battery Charger - NOCO - Meet the GENIUS5 - Similar to the G3500, just better. It's 34% smaller and delivers 65% more power. And it's simpler and easier to use than ever before. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Meet the GENIUS5 - Similar to the G3500, just better. It's 34% smaller and delivers 65% more power. And it's simpler and easier to use than ever before. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NOCO - Corporate Logo
ES#:
4031177
Mfg#:
GENIUS5
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.

$89.99

This product was last offered at the strikethrough price on
06-05-2026

$69.99 USD
Free Shipping
on orders $49 and up
ES#26880 - 11727838389 - E90 M3 Secondary Air Injection Control Valve Gasket - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
26880
Mfg#:
11727838389
Ships in 1-2 days
15% off MSRP

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

$40.99

This product was last offered at the strikethrough price on
06-05-2026

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4070334 - 13621747155 - Mass Air Flow Sensor - Restore performance and efficiency with a new MAF sensor! - Bremi - BMW

Restore performance and efficiency with a new MAF sensor! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Bremi - Corporate Logo
ES#:
4070334
Mfg#:
13621747155
In Stock at Vendor
$214.99

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

$208.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#31587 - 12527507526 - Socket Housing - Priced Each  - Blue socket housing for ping sensor - Genuine BMW - BMW

Blue socket housing for ping sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
31587
Mfg#:
12527507526
In Stock
ON SALE! SAVE 40%
$5.99

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

$3.60 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#166036 - 61211377835 - Connection Elbow - Genuine BMW - BMW MINI

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

Brand:
Genuine BMW - Corporate Logo
ES#:
166036
Mfg#:
61211377835
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4941253 - 13621747155 - Mass Air Flow Sensor - Restore performance and efficiency with a new MAF sensor! - Holstein - BMW

Restore performance and efficiency with a new MAF sensor! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Holstein - Corporate Logo
ES#:
4941253
Mfg#:
13621747155
Ships in 1 Business Day
$102.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4772594 - 12521706096 - 3 Pin Connector  - Includes connector housing with terminals and seals. Commonly used for the idle air control valve (IACV). - ECS - BMW

Includes connector housing with terminals and seals. Commonly used for the idle air control valve (IACV). affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4772594
Mfg#:
12521706096
In Stock
ON SALE! SAVE 11%
$10.99

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

$9.78 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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