Burger Motorsports FSB WMI Controller - v1 N54 JB4 FSB-N54

FSB WMI Controller - v1 N54 JB4

The BMS JB4 FSB Water/Methanol Injection (WMI) controller allows the JB4 to control your WMI pump and solenoid for dynamic progressive flow mapping. It also allows the JB4 to monitor pump current to overlay it with CANbus feedback for tuning parameters such as fuel trims and fuel pressure to provide a comprehensive flow-based safety system.
Burger Motorsports Burger Motorsports
T#: 21176922 | Part#: FSB-N54
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Checking Vehicle Fitment...

Please ensure your correct model is selected

Does NOT fit your Change Vehicle

Fits your Change Vehicle

Change Vehicle

150.00 $150.00
Lifetime Replacement
This product is backed by our
Lifetime Replacement Program! Read more here
Availability:
Ships Directly From Supplier
Est. Ship Date:
on Jun 19, 2026
Qty
Add to Wish List
Facebook Twitter Pinterest Google+ Email Price Alert
Burger Motorsports FSB WMI Controller - v1 N54 JB4 FSB-N54
FSB WMI Controller - v1 N54 JB4
$150.00

The BMS JB4 FSB Water/Methanol Injection (WMI) controller allows the JB4 to control your WMI pump and solenoid for dynamic progressive flow mapping.

It also allows the JB4 to monitor pump current to overlay it with CANbus feedback for tuning parameters such as fuel trims and fuel pressure to provide a comprehensive flow-based safety system.

Not for sale or use in the state of California on any pollution-controlled vehicle as per the California Air Resources Board.


Prop 65 WarningProp 65 Warning

Product Q&A

Lifetime Replacement

This Product Is Covered By Our Lifetime Replacement Program

Products protected by our Lifetime Replacement Program are covered for as long as you own the product, no need to worry about an expiration date. Purchase your products and enjoy some worry-free motoring, knowing we've got you covered.

If you have any questions, would like to learn more or are ready to place a replacement claim, click here!

MAKE MODEL SUBMODEL ENGINE Special Fitment Notes
BMW All All N54 3.0L Use vehicle selector to confirm fitment
*The above product applications have been written by Turner Motorsport. All warranties, product application, fitment, and performance are the responsibility of Turner Motorsport. For additional information see the terms of use.