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BMW ECU Harnesses

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Turner Motorsport E9x Cowl Delete Kit

ES#4365475 - 007629la09KT - Turner Motorsport E9x Cowl Delete Kit - Get rid of all your plastic in your engine bay for a cleaner look! Completely eliminates the bulky, obtrusive cabin filter housing for more room underhood - offering more room to access the engine. Compliment your engine bay and hide away the exposed ECU. - Turner Motorsport - BMW
ECS Tuning recommends this product.

Get rid of all your plastic in your engine bay for a cleaner look! Completely eliminates the bulky, obtrusive cabin filter housing for more room underhood - offering more room to access the engine. Compliment your engine bay and hide away the exposed ECU. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4365475
Mfg#:
007629LA09KT
In Stock
ON SALE! SAVE 25%
$420.95

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

$315.71 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport E9X Cowl Delete Harness Mounting Bracket

ES#4315965 - 007629LA02 - Turner Motorsport E9X Cowl Delete Harness Mounting Bracket - Get rid of all your plastic in your engine bay for a cleaner look! Completely eliminates the bulky, obtrusive cabin filter housing for more room underhood - offering more room to access the engine. - Turner Motorsport - BMW

Get rid of all your plastic in your engine bay for a cleaner look! Completely eliminates the bulky, obtrusive cabin filter housing for more room underhood - offering more room to access the engine. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4315965
Mfg#:
007629LA02
In Stock
ON SALE! SAVE 25%
$143.99

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

$107.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Plug And Play ReFlex Plus Install Harness - S58/B58

ES#4865971 - 201-0409 - Plug And Play ReFlex Plus Install Harness - S58/B58 - This harness is the perfect solution for ReFlex+ users who want a simple, reliable, and cost-effective plug-and-play option without compromising their vehicle's stock wiring. - Precision Raceworks - BMW

This harness is the perfect solution for ReFlex+ users who want a simple, reliable, and cost-effective plug-and-play option without compromising their vehicle's stock wiring.

Brand:
Precision Raceworks - Corporate Logo
ES#:
4865971
Mfg#:
201-0409
In Stock
$213.99

This product was last offered at the strikethrough price on
01-22-2026

$199.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Harness

ES#2079697 - 12517592508 - Engine Harness - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
2079697
Mfg#:
12517592508
Ships in 4 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.

$174.99

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

$166.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ReFlex+ Install Harness - Flying Lead

ES#4810316 - 900.1016 - ReFlex+ Install Harness - Flying Lead - Universal - Flying Lead Installation Harness - Motiv Motorsports - BMW

Universal - Flying Lead Installation Harness

Brand:
Motiv Motorsports - Corporate Logo
ES#:
4810316
Mfg#:
900.1016
In Stock
$95.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ReFlex+ Plug-N-Play Harness Kit - Tensility Motorsport

ES#4810317 - 200.1058 - ReFlex+ Plug-N-Play Harness Kit - Tensility Motorsport - TMS has created a true plug and play harness kit for Gen 2 B58 and S58 cars! - Motiv Motorsports - BMW

TMS has created a true plug and play harness kit for Gen 2 B58 and S58 cars!

Brand:
Motiv Motorsports - Corporate Logo
ES#:
4810317
Mfg#:
200.1058
Ships in 1 Business Day
$794.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Harness

ES#2537135 - 12517619142 - Engine Harness - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
2537135
Mfg#:
12517619142
Ships in 4 Business Days
4% off MSRP

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

$158.99

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

$151.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wiring Harness Valve Block

ES#42104 - 23017837427 - Wiring Harness Valve Block - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
42104
Mfg#:
23017837427
Ships in 10 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.

$338.99

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

$331.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wiring Loom Eng Valvetron

ES#2578066 - 12517598930 - Wiring Loom Eng Valvetron - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
2578066
Mfg#:
12517598930
Ships in 4 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.

$174.99

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

$166.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ReFlex+ Plug-N-Play Harness Kit - Visconti Tuning

ES#4810321 - 200.1103 - ReFlex+ Plug-N-Play Harness Kit - Visconti Tuning - Visconti has created a true plug and play harness kit for Gen 2 B58 and S58 cars! - Motiv Motorsports - BMW

Visconti has created a true plug and play harness kit for Gen 2 B58 and S58 cars!

Brand:
Motiv Motorsports - Corporate Logo
ES#:
4810321
Mfg#:
200.1103
Ships in 5 Business Days
$615.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Other BMW ECU Harnesses

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