1.0 GENERAL INFORMATION ON FINAL DRIVE OIL
Final Drive oil or hypoid gear lubricant must conform with the following requirements because of the high loads which occur on the profiles of the hypoid gear teeth:
These and other properties are already contained in brand-name hypoid gear lubricants because of the high content of EP additives (EP = extreme pressure).
OIL ADDITIVES
The factory has not approved oil additives for hypoid gear lubricants.
All final drives are designed in such a manner that they do not require any type of oil additives. Any type of additives is fundamentally rejected by the factory. BMW NA cannot accept any liability for follow-up damage resulting from the use of additives.
BMW X3 Service & Repair Manual > HVAC: Air conditioner refrigerant
1.0 AIR CONDITIONER REFRIGERANT
FREONÂ
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 boilin ...