Got this today and tried it on a BMW '99 528i to check out a new fuel pressure regulator. The BMW fuel rail has a Schrader valve but it required the extra Ford brass fitting (included in the package) to attach this gauge.<br /><br />I subtracted a star because the brass fittings had metal shavings and burrs inside that would have potentially jammed in the Schrader valve and prevented it from closing when this gauge is removed, posing the risk of fuel spewing everywhere and possibly igniting on hot engine parts. Not good.
Rating: [4 of 5 Stars!]