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
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 on Nov 10, 2026
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 10-25-2026
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
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
Main Injector Harness For Inline-6 Motiv ReFlex Lite Applications
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
Main Injector Harness For Inline-4 Motiv ReFlex Lite Applications
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
