Enable flex-fuel features on your tuned BMW with this plug and play kit! Compatible with MHD or ECUTEK tunes and works with the stock or TU High Pressure Fuel Pump
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 For vehicles with an Automatic Transmission only S58 Engines - Automatic Transmission (Any HPFP)
Enable flex-fuel features on your tuned BMW with this plug and play kit! Compatible with MHD, BM3, or ECUTEK tunes and works with any High Pressure Fuel Pump.
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 For vehicles with an Automatic Transmission only Gen1 B58B30M0 Engine with Automatic Transmission ONLY. Compatible with MHD, BM3, or ECUTEK Tunes, and any High Pressure Fuel Pump
Main Injector Harness For Installation of ReFlex+ For Inline-6 BMW Engines
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
For Vehicles With Motiv ReFlex Unit Currently Installed
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 For Vehicles With Motiv ReFlex Unit Currently Installed Only
Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet.
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
A plug-and-play solution to add Flex Fuel capability to your BMW!
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:
ES#:
4872254
Mfg#:
BM3FFKFB58EB
Ships in 10 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.
$649.00
This product was last offered at the strikethrough price on 10-28-2026
Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet.
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
A plug-and-play solution to add Flex Fuel capability to your BMW!
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 For Pre-LCI vehicles only
Brand:
ES#:
4820439
Mfg#:
BM3FFKT
Ships in 10 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.
$649.00
This product was last offered at the strikethrough price on 10-28-2026
Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. For Fuel-It! brand port injection configs.
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
A plug-and-play solution to add Flex Fuel capability to your BMW!
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 For Pre-LCI vehicles only
Brand:
ES#:
4820943
Mfg#:
BM3FFKTFH
In Stock
Limited Qty Sale
$599.00
This product was last offered at the strikethrough price on 08-10-2026
Unlock the true performance potential of your S58-powered BMW with the Dorch Engineering Flex Fuel ECA Kit.
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
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
Unlock the true performance potential of your Gen2 B58-powered machine with the Dorch Engineering Gen2 Flex Fuel ECA Kit.
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
Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet.
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
