I am approaching 55k miles on my treasured 08 S6 and planning for new plugs. Any tips, precautions, etc for changing plugs? What plugs do you reccomend? Can you suggest a good source??
Tnx, Eric
(2008 S6, 2015 S5, 2002 RT10, 2014 P85(hers), 1953 XK-120 (hers too), and a truck)