I called VIP in Londonderry early this morning to see if they had 5W40 synthetic motor oil that was acceptable to use in my 2007 Audi A4 Quatro. The person I talked with supposedly checked and told me that yes they did. I went in later in the morning only to find out that NO, they did not have the oil I needed. Two employees looked thru the oil and one said that I could use 5W40 for Diesel (mind you, my car is not a diesel...) I didn't trust this advise so called the dealer and they said NEVER to use a deisel oil. I wonder what would have... read full review »