Interesting. I always thought and learn from very good technicians that Castrol IS the real good oil. I also had only good experience with Castrol in many aspects. I am actualy a Castrol guy, I have always used Castrol in my cars. I was able to see one of my engines open after using Castrol and it was just like new inside, with no deposits, nothing.
I just hope that BMW did not made the switch due to price, to get it cheaper, that will really be a very dumb move.
I would really like to know WHY they switch to Shell.
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