I've been using only Mobil 1 in my cars since I've owned cars. Apparently they changed formula and lost BMW approval not too long ago so I started buying Castrol but with that head to head from project farm I think I'd be very likely to use either depending on sale price at the time.
And with that extra zinc some prophylaxis to help keep my BMWЯ safe from cv19
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2011 E70 • N55 (me)
2012 E70 • N63 (wife)
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