FlexFuel+ CAN Bus and Bluetooth ECA - BMW N54 Upgrade Kit
FlexFuel+ CAN Bus and Bluetooth ECA - BMW N54 Upgrade Kit
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$239.00 USD
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$239.00 USD
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- Free fitment check before you order
Listed for: BMW N54 UpgradeFitment notes & questions
Upgrade Your BMW N54 Flex Fuel Setup to a CAN Bus installation with EASE!
For customers with the original Flex Fuel for MHD on their BMW N54, we’ve designed an upgrade harness to pair seamlessly with the new FlexFuel+ system. This kit makes installation straightforward and hassle-free.
Here’s how it works:
- Remove your existing Flex Fuel for MHD controller.
- Install the new FlexFuel+ controller and the upgrade harness.
- Connect the upgrade harness to your existing harness.
- Attach the CAN Bus jumpers, reflash your MHD, and you’re ready to go!
For full installation instructions check out the user manual and information HERE.

About this part for the BMW N54 Upgrade
If you are replacing a worn part, compare it with the original before you install it.
Fitment notes
- Listed for: BMW N54 Upgrade.
- Specs, lead time and warranty come from the manufacturer and supplier and can change. The details above this guide are the latest we have.
Not sure it fits? Send us your year, make, model, engine and trim and we'll check before you order.
Ask about fitmentParts that usually go with it
- Hardware. Old bolts and clips are often worth replacing.
More for your car: BMW Parts · Engine
Questions about BMW N54 Upgrade part
Will this fit my BMW N54 Upgrade?
It is listed for the BMW N54 Upgrade. Check your year, model, engine and trim against the title and details above. If anything is different, contact us and we will confirm fitment before you order.
How do I know it fits?
Check the listed fitment and part number, or ask us before you order.
Where do specs and warranty details come from?
From the manufacturer. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
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