It is the outward-opening piezo-injector that renders possible spray-directed
direct injection and thus the overall
innovations of the N54 engine. Due to the fact that only this component ensures
that the injected fuel spray cone
remains stable, even under the prevailing influences of pressure and
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