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 > Hydr/el control components/elements: Replacing oil reservoir (GA8HP70Z)
IMPORTANT:
Do not let skin come in contact with transmission oil and do not inhale fuel vapors.
Wear protective gloves.
Ensure adequate ventilation.
IMPORTANT:
Valid for vehicles manufactured from 08/2011 onward!
After completion of repair work, check TRANSMISSION OIL LEV ...