PRW-engineered Gen1 DI pump upgrade
Fits: Gen 1 B58 (2016-2019 F-series: M140i, M240i, 340i, 440i, 540i, 740i, X3/X4 M40i)
Brand: Precision Raceworks
Requires: Custom tune
For off-road / competition use only. Not legal for use on public roads in the United States, including California.