> Paul Wilson wrote: > > > > I have about 1000 miles to go before my 2nd oil change in my '98 A4 1.8T. <snip> > > For the first change, I had them put in Mobil 1 15W-50. Should I still use 15W-50 or should I go to a lighter weight? For the sake of your warranty, I would follow Audi oil specs w/comparable synth specs (see Mobil 1 data sheet on their web site). MJ Murphy