FREON
The refrigerant Freon R12 is used in most BMW automobiles with an air
conditioner up through the 1992
model year. It has a boiling point of - 29.8ºC (sea level), at which the
refrigerant is transformed from a liquid
into a gaseous state. This boiling point, however, is not constant. It is
REMOVING AND INSTALLING/SEALING GUIDE TUBE FOR OIL DIPSTICK (N62)
Necessary preliminary tasks:
Remove intake air manifold.
Drain engine oil.
NOTE: For purposes of clarity, this work step is shown on the engine
after it has been
removed.
Unlock and detach vacuum line (1).
Release screws and re