July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

ZF 3HP and 4HP

Due to the substantial expansion of transmission fluid when heated it is only possible to measure the oil level correctly at specified oil temperatures (after driving a distance of about 12 mi./20 km).

See S.I. Bulletins B 24 02 85 (1027) and B 24 01 98.