audis4swap

hey guys im new to the forms and new to the audi i currently have a 2001 midnight blue a4 2.8 quattero i did something people usualy dont takle on these but it has the s4 2.7t swap complete with only 80k wit the cluster seats wheels front bumper officialy an s4 well anyways al the motor mounts are not torn or broke and when the car is in gear or idle u feel the vibration from the engine does it need a tune up or sumthing?i dont kno what to check .