VW Passat B7 1.8 TSI Oil pump replacement

1) Low oil pressure during idle at oil temperature 80 degree C and above, EPC at 4000 RPM. 2) Oil pump bolts torque at 20Nm. 3) Oil picker screw torque at 9Nm. 4) Oil pan screw torque at 9Nm. 5) Oil baffle pan torque at 9Nm. 6) Oil plug torqu6 at 30Nm.