GESI cat keeps emissions-friendly behavior and no cat codes
Fits: Gen 2 B58 (2019+ G-series: M240i, M340i, M440i, 540i, 740i, X3/X4/X5 M40i)
Brand: Active Autowerke · Part #: 11-062
Requires: Tune required
For off-road / competition use only. Not legal for use on public roads in the United States, including California.