Highest-flowing single DI pump for heavy ethanol / big turbo Gen1 builds
Fits: Gen 1 B58 (2016-2019 F-series: M140i, M240i, 340i, 440i, 540i, 740i, X3/X4 M40i)
Brand: Dorch Engineering
Requires: Tune with HPFP support
For off-road / competition use only. Not legal for use on public roads in the United States, including California.