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Re: Thoughts on long life oil / extended oil change VW
Posted to Technical Discussion Forum on 2/1/2005

VW 502 is a standard drain interval rating appropriate for the 1.8T VW 503.00 is an extended drain interval rating for many VW non-turbo gasoline applications. The 503.01 is an extended drain rating for the 1.8T. 505.00 is for pre-2004 TDI diesel and 505.01 is... Login to read more.