Quote:
Originally Posted by Mbdurham17
I am about to have my 9000 mile service and have added none...funny thing though with my 550 msport I added like crazy even carried a quart with me in the trunk
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I do that too just in case. I had to do the add on a trip to Dallas in February. I pulled into the trucksop at Carl's Corner on 35E and added the Castrol they gave me at the dealer. I bought a new 5w-30 Mobil 1 to replace it and that is still in there.