Make Model Spec 1 SERIES. 118D XDRIVE 17 OPT1 SERIES. 118D XDRIVE 17 OPT 21 SERIES. 118D XDRIVE 18 OPT1 SERIES. 118D XDRIVE 19 OPT1 SERIES. 118D XDRIVE M SPORT1 SERIES. 118D XDRIVE SE1 SERIES. 118D XDRIVE SPORT1 SERIES. 118D XDRIVE URBAN1 SERIES. 120D XDRIVE 17 OPT1 SERIES. 120D XDRIVE 17 OPT 21 SERIES. 120D XDRIVE 18 OPT1 SERIES. 120D XDRIVE 19 OPT1 SERIES. 120D XDRIVE M SPORT1 SERIES. 120D XDRIVE SE1 SERIES. 120D XDRIVE SPORT1 SERIES. 120D XDRIVE URBAN What should my pressure be?