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BMW E46 Engine Electrical Harnesses

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ES#30907 - 12517523220 - E46 Engine Wiring Harness - Connects the ECU to various engine components - Genuine BMW - BMW

Connects the ECU to various engine components affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 03/2003

Brand:
Genuine BMW - Corporate Logo
ES#:
30907
Mfg#:
12517523220
Ships in 2 Business Days
5% off MSRP

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

$517.99

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

$492.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4826864 - 3774SCH01A - Schwaben Self-Adjusting Wire Crimper & Stripper Pliers - Make wiring harness repairs with ease! Featuring adjustable, ratcheting wire stripper jaws for efficient insulation removal. - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Make wiring harness repairs with ease! Featuring adjustable, ratcheting wire stripper jaws for efficient insulation removal. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
4826864
Mfg#:
3774SCH01A
In Stock
ON SALE! SAVE 15%
$22.99

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

$19.54 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4939982 - 059235LA01 - Heavy Duty Ground Cable Upgrade (12421737755) - Restore lasting electrical reliability to your E30, E36, or E46 with a high-quality, corrosion-proof ground strap engineered for long-term performance. - ECS - BMW

Restore lasting electrical reliability to your E30, E36, or E46 with a high-quality, corrosion-proof ground strap engineered for long-term performance. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4939982
Mfg#:
059235LA01
Ships in 4 Business Days
ON SALE! SAVE 42%
$39.99

This product was last offered at the strikethrough price on
01-03-2026

$23.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4772596 - 12527519996 - 3 Pin Connector  - Includes connector housing with terminals and seals. Commonly used for the pencil-style ignition coil connector. - ECS - BMW MINI

Includes connector housing with terminals and seals. Commonly used for the pencil-style ignition coil connector. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4772596
Mfg#:
12527519996
In Stock
ON SALE! SAVE 39%
$10.99

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

$6.69 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#31076 - 12517831646 - E46 M3 Engine Wiring Harness - Wiring harness for the engine control module - Genuine BMW - BMW

Wiring harness for the engine control module affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
31076
Mfg#:
12517831646
Ships in 3 Business Days
5% off MSRP

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

$782.99

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

$744.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#30533 - 12511439991 - E46 Wiring Harness - Engine Module - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
30533
Mfg#:
12511439991
Ships in 5 Business Days
5% off MSRP

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

$765.99

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

$727.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#30981 - 12517551908 - Coil Pack Wiring Harness - This is the harness that sends the ignition signal to the coils and makes them fire. - Genuine BMW - BMW

This is the harness that sends the ignition signal to the coils and makes them fire. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
30981
Mfg#:
12517551908
Ships in 1 day
5% off MSRP

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

$308.99

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

$292.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#30883 - 12517513554 - Engine Wiring Harness - Connects the ECU to various engine components - Genuine BMW - BMW

Connects the ECU to various engine components affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 03/2003

Brand:
Genuine BMW - Corporate Logo
ES#:
30883
Mfg#:
12517513554
Ships in 1 day
5% off MSRP

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

$517.99

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

$492.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#30926 - 12517528594 - E46 Engine Wiring Harness - Complete engine wiring harness - Genuine BMW - BMW

Complete engine wiring harness affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
30926
Mfg#:
12517528594
Ships in 5 Business Days
5% off MSRP

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

$517.99

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

$492.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3046199 - 61132359992 - Repair Kit For Socket  - Repair those damaged wire/connectors - Genuine BMW - BMW

Repair those damaged wire/connectors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
3046199
Mfg#:
61132359992
In Stock
7% off MSRP

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

$14.99

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

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#165762 - 61138373332 - Socket Housing - Priced Each  - Used in several models of BMW's / MINIs - Genuine BMW - BMW MINI

Used in several models of BMW's / MINIs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
165762
Mfg#:
61138373332
In Stock
$6.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4272132 - 12522466585 - Socket Terminal Contact Wire SLK 2.8 - Priced Each - 0.5-1.0mm , includes wire - Genuine MINI - BMW MINI

0.5-1.0mm , includes wire affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine MINI - Corporate Logo
ES#:
4272132
Mfg#:
12522466585
In Stock
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#31192 - 12521309527 - 7-Protect Cap - This cap holds the wiring pins for the diagnostic port. - Genuine BMW - BMW

This cap holds the wiring pins for the diagnostic port. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
31192
Mfg#:
12521309527
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.

$46.99

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

$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4883019 - 201-0360-RED - Wire With Terminals For 90 Degree 6 Pin Bulkhead - Red - Purchase the wires you need for your electrical bulkhead fitting here. Featuring Red FEP wire pre-cut to 24" 12 Gauge wire with the appropriate terminal pre-crimped and ready to install! - Precision Raceworks - Audi BMW Volkswagen Mercedes Benz

Purchase the wires you need for your electrical bulkhead fitting here. Featuring Red FEP wire pre-cut to 24" 12 Gauge wire with the appropriate terminal pre-crimped and ready to install! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4883019
Mfg#:
201-0360-RED
Ships in 6 Business Days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#37978 - 17112228439 - Tubing Support Bracket - Priced Each - Used to support the connection line for the expansion tank - Genuine BMW - BMW

Used to support the connection line for the expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
37978
Mfg#:
17112228439
Ships in 1 day
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#164709 - 61131383759 - Plug-in Bracket - Bracket for plug in electrical connector. - Genuine BMW - BMW

Bracket for plug in electrical connector. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
164709
Mfg#:
61131383759
Ships in 1 day
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Electrical Harnesses

Wiring gremlins are no fun. Many times, it's easier to just replace the harness than track down the short, sometimes that's all you can do. We offer full wiring harness replacements for your repair or to set your build up for success and keep everything communicating as it should.

Let us help you find the parts that fit your BMW

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Manufacturer names and/or part numbers are used only for identification purposes.

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