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BMW Kits

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Fuel-It! Flex Fuel Kit - N54/N55 5 Series

ES#4715459 - FFK-N5XB - Fuel-It! Flex Fuel Kit - N54/N55 5 Series - Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. - Fuel-It! - BMW

Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet.

Brand:
Fuel-It! - Corporate Logo
ES#:
4715459
Mfg#:
FFK-N5XB
In Stock
ON SALE!
Starting at $464.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ReFlex Lite Injector Harness - Inline-6

ES#4810465 - 900.1013 - ReFlex Lite Injector Harness - Inline-6 - Main Injector Harness For Inline-6 Motiv ReFlex Lite Applications - Motiv Motorsports - BMW

Main Injector Harness For Inline-6 Motiv ReFlex Lite Applications

Brand:
Motiv Motorsports - Corporate Logo
ES#:
4810465
Mfg#:
900.1013
Ships in 4 Business Days
$155.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Flex Fuel ECA - Plug and Play - OEM HPFP

ES#5482025 - DE-582-ECA-242 - Flex Fuel ECA - Plug and Play - OEM HPFP - Unlock the true performance potential of your Gen2 B58-powered machine with the Dorch Engineering Gen2 Flex Fuel ECA Kit. - Dorch Engineering - BMW

Unlock the true performance potential of your Gen2 B58-powered machine with the Dorch Engineering Gen2 Flex Fuel ECA Kit.

Brand:
Dorch Engineering
ES#:
5482025
Mfg#:
DE-582-ECA-242
In Stock
$549.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gen1 B58 Flex Fuel ECA - Plug and Play - Dorch HPFP

ES#5482010 - DE-581-ECA-14 - Gen1 B58 Flex Fuel ECA - Plug and Play - Dorch HPFP - Unlock the full potential of your Gen1 B58 powered BMW with Flex Fuel tuning. - Dorch Engineering - BMW

Unlock the full potential of your Gen1 B58 powered BMW with Flex Fuel tuning. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Dorch Engineering
ES#:
5482010
Mfg#:
DE-581-ECA-14
In Stock
$549.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Scratch and Dent Item

Bootmod3 BM3 FlexFuel Kit - Fuel Hat Location *Scratch And Dent*

ES#4919931 - BM3FFKTFH - Bootmod3 BM3 FlexFuel Kit - Fuel Hat Location *Scratch And Dent* - ***Please see photos and description prior to ordering, all sales final.*** A plug-and-play solution to add Flex Fuel capability to your BMW! - Scratch & Dent - BMW

***Please see photos and description prior to ordering, all sales final.*** A plug-and-play solution to add Flex Fuel capability to your BMW! 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#:
4919931
Mfg#:
BM3FFKTFH
In Stock
ON SALE! SAVE 34%
$527.99

This product was last offered at the strikethrough price on
06-23-2026

$350.00 USD
Free Shipping
on orders $49 and up

Fuel-It! Flex Fuel Kit - B58 G29 Z4

ES#4715573 - FFK-G29Z4-CK - Fuel-It! Flex Fuel Kit - B58 G29 Z4 - Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. - Fuel-It! - BMW

Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet.

Brand:
Fuel-It! - Corporate Logo
ES#:
4715573
Mfg#:
FFK-G29Z4-CK
Ships on Nov 17, 2026
$479.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel-It! Flex Fuel Kit - F-Chassis S55 - Non BMS/FI PI

ES#4715478 - FFK-S55-NFI - Fuel-It! Flex Fuel Kit - F-Chassis S55 - Non BMS/FI PI - Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. For non Fuel-It! brand port injection configs. - Fuel-It! - BMW

Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. For non Fuel-It! brand port injection configs.

Brand:
Fuel-It! - Corporate Logo
ES#:
4715478
Mfg#:
FFK-S55-NFI
Ships on Nov 17, 2026
$609.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel-It! Flex Fuel Kit - B58 G05

ES#4715583 - FFK-B58X-FK - Fuel-It! Flex Fuel Kit - B58 G05 - Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. - Fuel-It! - BMW

Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet.

Brand:
Fuel-It! - Corporate Logo
ES#:
4715583
Mfg#:
FFK-B58X-FK
Ships on Nov 17, 2026
$349.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel-It! Flex Fuel Kit - S55

ES#4715572 - FFK-S55 - Fuel-It! Flex Fuel Kit - S55 - Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. - Fuel-It! - BMW

Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet.

Brand:
Fuel-It! - Corporate Logo
ES#:
4715572
Mfg#:
FFK-S55
Ships on Nov 17, 2026
Starting at $549.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel-It! Flex Fuel Kit - F-Chassis S55 - Stock Fueling

ES#4715476 - FFK-S55-STO - Fuel-It! Flex Fuel Kit - F-Chassis S55 - Stock Fueling - Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. For stock HPFP/no port injection configurations. - Fuel-It! - BMW

Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. For stock HPFP/no port injection configurations.

Brand:
Fuel-It! - Corporate Logo
ES#:
4715476
Mfg#:
FFK-S55-STO
Ships on Nov 17, 2026
$549.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ReFlex Lite Injector Harness - V8

ES#4810468 - 900.1014 - ReFlex Lite Injector Harness - V8 - Main Injector Harness For V8 Motiv ReFlex Lite Applications - Motiv Motorsports - BMW

Main Injector Harness For V8 Motiv ReFlex Lite Applications

Brand:
Motiv Motorsports - Corporate Logo
ES#:
4810468
Mfg#:
900.1014
Ships in 4 Business Days
$295.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ReFlex Lite Injector Harness - Inline-4

ES#4810449 - 900.1012 - ReFlex Lite Injector Harness - Inline-4 - Main Injector Harness For Inline-4 Motiv ReFlex Lite Applications - Motiv Motorsports - BMW

Main Injector Harness For Inline-4 Motiv ReFlex Lite Applications

Brand:
Motiv Motorsports - Corporate Logo
ES#:
4810449
Mfg#:
900.1012
Ships in 4 Business Days
$140.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BM3 Flex Fuel Kit - Basic - F97/F98 X3M/ X4M Pre-LCI

Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Bootmod3 - Corporate Logo
ES#:
5480717
Mfg#:
BM3FFKF97F98
Ships in 10 Business Days
$499.00 USD
Free Shipping
on orders $49 and up

Gen1 B58 Flex Fuel ECA - Plug and Play - TU HPFP

Unlock the full potential of your Gen1 B58 powered BMW with Flex Fuel tuning. For Vehicles Produced Before 2019

Brand:
Dorch Engineering
ES#:
5482015
Mfg#:
DE-581-ECA-X34TU
Ships in 4 Business Days
$549.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Flex Fuel ECA - Plug and Play - Dorch HPFP

Unlock the true performance potential of your Gen2 B58-powered machine with the Dorch Engineering Gen2 Flex Fuel ECA Kit. For Vehicles Produced After 2019

Brand:
Dorch Engineering
ES#:
5482026
Mfg#:
DE-582-ECA-571
Ships in 4 Business Days
$549.00 USD
This product is lifetime replacement eligible Lifetime Replacement

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