Quote:
Originally Posted by Wolfinwolfsclothing
Why? Because they probably got a better deal from Shell than Castrol.
Much rather they moved to Mobile 1 but it is what it is.
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Me too. Used M1 on all my past cars and they all ran like silk on the day I sold them. I just use the BMW oil now because I don't like the idea of going back and fourth every time. After the service period is up, I'm switching to Mobil 1.