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Home >> BMW >> 2021 >> 840i 2D Convertible >> Repair and Diagnosis >> General Information >> OEM General Information >> Maintenance And General Information -- Repair (G14, G15, & G16) >> 00 11 Transmission Oil, Differential Oil, Transfer Case Oil >> 00 11 259 Oil change in the rear differential >> Check/top up oil level in the rear differential

Check/top up oil level in the rear differential

CAUTION: Contact with hazardous substances. 
Health impairment. 
  • Note and comply with the Safety Instructions on the containers and the instructions on the manufacturer's safety data sheet.
  • Conduct all work in appropriate personal protective equipment only.
CAUTION: Acid combustions may result from skin contact with oil or inhaling oil vapors. 
Risk of acid burns from contact with oil! 
  • Wear safety goggles and hand protection.
  • Ensure adequate ventilation.
NOTE: RISK OF DAMAGE 
Damage to rear differential. 
Failure to comply with the oil specifications can result in serious damage to the rear differential. 
  • Only use approved oil in the rear differential.
NOTE: TECHNICAL INFORMATION 
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
NOTE: TECHNICAL INFORMATION 
It is imperative to ensure that there is no air in the hose when topping up a defined (measured) oil quantity.
G14899642Courtesy of BMW OF NORTH AMERICA, INC.

Supplement the rear differential fluid change/oil level with oil gun 

NOTE: TECHNICAL INFORMATION 
The training video schematically shows the method for changing the oil in the rear differential using the oil sprayer special tool.
The training video is not a replacement for the repair instructions.