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Discussion in 'A6/S6/Allroad forum (C5 Chassis)' started by morty_mma, Feb 17, 2007.
Can any one tell me what is the standard and best engine oil to use in the S6?
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Try this link to the castrol website to pick the oil.
if you check your manual it will tell you the VW5XXXX spec the car should use. If you let me know I have a list of the oils from erwin the Audi official site