At the 1,200 mile service I had my friend's shop change the transmission oil as that use to be part of the M break-in service back in the day, cheap piece of mind.
Used the factory oil, I figured BMW took the time to test it and certify it, they probably found it the best option/compromise to use.
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2020 M2 CS AW 6-spd
Previous M Cars: M2C, M2, F80 M3, E46 M3, Z3M Coupe, E36 M3...and some other fun rides.
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