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Home >> BMW >> 2021 >> M440i >> Repair and Diagnosis >> General Information >> OEM General Information >> Maintenance And General Information -- Repair (G22, G23 & G26) >> 00 11 General Maintenance >> 00 11 259 Oil change in the rear differential (4' Series coupe, convertible, and Gran Coupe sedan) >> Check/top up oil level in the rear axle differential

Check/top up oil level in the rear axle 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 axle differential  .
Failure to comply with the oil specifications can result in serious damage to the rear axle differential  .
  • Only use BMW approved oil in the rear axle differential. See the Fluid Capacities tab for the selected vehicle.
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 

TIGHTENING TORQUE SPECIFICATION

Rear differential fluid filler plug 
M22
Replace the oil filler plug.
tightening torque  60 Nm