F10 M5 oil usage
Discussion
It is more common than you might think that dealers put the wrong oil in these cars, with the M-series Castrol oil being the wrongly used oil.
I argued till I was blue in the face with two dealers and BMW UK before they all acknowledged that I was, in fact, correct......stunning or what?!
I argued till I was blue in the face with two dealers and BMW UK before they all acknowledged that I was, in fact, correct......stunning or what?!
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