This is our recommended fuel pressure regulator for boosted BMW's. This setup is good for roughly 800LPH of fuel at idle which will support 1000+WHP. 

This can be used with our line of FPR mounts. These mounts place these regulators in the the ideal location, install in seconds, and are made from stainless steel so they are sure to last. You can view the M5x mounts Here.

Performance EFI regulator designed for medium to high horsepower applications. This regulators features Aeromotives high-flow design, superb pressure control and legendary durability. On the street and at the track, this pressure regulator has logged more miles, laps and passes than any other performance EFI regulator in the world!

• Base pressure adjustable from 40-75 PSI.
• Gasoline and alcohol compatible.
• Fuel pressure rises on a 1:1 ratio with boost.
• 1/8” NPT gauge port.
• This product is not legal for sale or use on emission-controlled vehicles except when used as a direct replacement part matching OEM specifications.
• (2) ORB-06 inlet ports and (1) ORB-06 return port included.
• View Aeromotive Installation Instructions