SLG - Oil Pressure Gauge FeedThe best way to add a port to monitor actual oil pressure, very useful beyond the stock yes no oil pressure sensor. This works great on the BMW M50, M52, S52, S54 and M54 engines. Screws into the standard oil pressure sensor port and allows the stock sensor to screw into the backside. On the side a 1 8npt port is available for use with another pressure sensor. Truly the most clean way to get accurate oil pressure on these engines. For turbo oil feeds,