[flame suit on] IF you are asking this kind of question, I am thinking perhaps DIY servicing ISNT a good idea [/ flame prrof suit off]
tbh is th eprocess of taking the oil filter off, youll loose some oil anyway, so you might as well change it. and whats the point in putting a new filter on to filter crap old oil lol, new oil and filter, 20 quid, job done