The OEM OBDI M50 Manifold, when combined with an M50
conversion kit such as the KO
conversion kit unleashes your OBDII M3s breathing room
from the OBDII choke-collar manifold.
Installs easily into your BMW E36 M3 in about 3 hours.
Our kit includes all the parts needed to make the conversion.
Users typically see a solid performance gain in the
3500RPM+ range and 10-30 hp. Our track car has this
part on it, as well as one of our other salesmen's Z3
M Roadster conversion project car.