what oil you use in your b5 s4
#4
RE: what oil you use in your b5 s4
the dealer suggest 5w-30 in winter and during hot summers 10w-30. What type of syn u use is up to u........I perfer royal purple, my friend uses amsoil in his s4 and he is a vw tech. but then u r looking at over $70 oil change. LOL..........My other friend has a STI and his MECH. told him not to use syn oil. But he also told him he doens't have to let the car idle after hard runs to let the oil cool down.........I think he needs a new MECH.