All transmissions apart from M20/M20 MTA/M32: after a
transmission repair, the transmission should be filled as far as
the lower edge of the inspection aperture.
M20/M32: Checking and correcting the transmission fluid level
M20 MTA: Checking and correcting the
transmission fluid level
The transmission fluid is supplied by weight in production.
There is no need to correct it during scheduled servicing if no
leaks are found.