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BMW went from Castrol to Shell in 2015.
As has been discussed in other thread, BMW would not risk new oil should damage old engines. My car was built with Castrol and dealer switched to Shell - without telling me - at service. "It is BMW oil".
BMW does not - readily - give away any service INFO, which pisses me off. Free service ends at 3 years and I have made my own serviceprogram after that. Service will be made by ex-BMW mechanic, who can switch off service indication.
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