AutoMeter 52mm Sport Comp Digital -30 to 30 PSI Boost/ Vacuum Gauge (6359) Topline just take a look below

just take a look below for install recommendations and if you need help

Micron tolerance machining supported by precision measurement systems delivers consistent accuracy to key characteristics like wall thickness and crush

D-BM-90 BMW M4 F82 2015-2020

but the preferred flow direction is in the female side and out the male side

you'll need a -4AN feed line

AutoMeter 52mm Sport Comp Digital -30 to 30 PSI Boost/ Vacuum Gauge (6359) Topline just take a look belowAutoMeter's Digital Boost Vac gauge ensures unparalleled accuracy in vacuum and boost measurements, ranging from 30 in Hg to 30 psi. With patented calibration technology, it adjusts for atmospheric conditions at every startup, ensuring precise readings. The gauge comes with a plug and play wiring harness for easy installation. Additionally, a high pressure digital boost only gauge is offered for diesel or high boost gasoline engines. Vehicle Fitment: