Add rear differential fluid
WARNING: This page is about a different car, the 2025 BMW M4, 2024 BMW M4, 2023 BMW M4, 2022 BMW M4, and 2021 BMW M4. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Contact with hazardous substances.
Health impairment.
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!
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.
Damage to rear axle differential.
Failure to comply with the oil specifications can result in serious damage to the rear axle differential.
- Only use approved oil in the rear axle differential.
NOTE:
TECHNICAL INFORMATION
The oil level in the rear axle differential may not be checked. The correct oil level is lower than the oil filler opening.
After leaks at the rear axle differential, the residual oil must be drained from the rear axle differential and filled up with a measured quantity of the new rear differential fluid.
The oil level in the rear axle differential may not be checked. The correct oil level is lower than the oil filler opening.
After leaks at the rear axle differential, the residual oil must be drained from the rear axle differential and filled up with a measured quantity of the new rear differential fluid.
NOTE:
TECHNICAL INFORMATION
Rear differential fluid must be shaken (mixed) prior to use so that the additive distributes evenly in the oil.
Filling capacity for the rear axle differential must be observed!
Filling up to the lower edge of the oil filler opening would overfill the rear axle differential.
Rear differential fluid must be shaken (mixed) prior to use so that the additive distributes evenly in the oil.
Filling capacity for the rear axle differential must be observed!
Filling up to the lower edge of the oil filler opening would overfill the rear axle differential.
Draining the rear differential fluid
NOTE:
TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
Replace the oil drain plug (1) .
Parts: Plug
Tighten oil drain plug (1) .
TIGHTENING TORQUE SPECIFICATIONS
| Screw plug on final drive cover | ||
| M22 Replace screw plug with O-ring. |
Tightening torque | 45 Nm |
NOTE:
TECHNICAL INFORMATION
It is imperative to ensure that there is no air in the hose when topping up a defined (measured) oil quantity.
It is imperative to ensure that there is no air in the hose when topping up a defined (measured) oil quantity.
- Use special tool 2 460 340 to top up the oil.
- To top up a defined (measured) oil quantity, first fill hose (1) with oil. Connect adapter (2) to do this.
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 axle differential using the oil sprayer special tool.
The training video is not a replacement for the repair instructions.
The training video is not subject to the update service.
We can assume no liability for printing errors or inaccuracies in this service information and reserve the right to introduce technical modifications at any time.
The training video schematically shows the method for changing the oil in the rear axle differential using the oil sprayer special tool.
The training video is not a replacement for the repair instructions.
The training video is not subject to the update service.
We can assume no liability for printing errors or inaccuracies in this service information and reserve the right to introduce technical modifications at any time.
- Follow repair instructions!
- Release the oil filler plug (1) .
- Shake (mix) the rear differential fluid before use.
- Measure the required filling capacity and top up the rear differential fluid.TECHNICAL DATA SPECIFICATION
Rear differential fluid Filling capacity (shake/mix rear axle differential oil before use) 1 l - Replace (1)
screw plug.
Parts: Plug
- Tighten the oil filler plug (1) .
TIGHTENING TORQUE SPECIFICATIONS
| Screw plug on final drive cover | ||
| M22 Replace screw plug with O-ring. |
Tightening torque | 45 Nm |