BMW X3, E83 (USA)

Transfer case fluid capacity & service interval

The BMW X3, E83 (USA) uses transfer case fluid with a capacity of 0.8 liter for the initial fill and 0.69 liter for the service fill. The data covers 4 configurations.

The configuration chart below lists fill volumes and service intervals for each engine and trim variant.

TypeSpecifications
  • X3 3.0i (2006-2010)
  • X Drive
  • Use: Normal
  • Capacity 0,8 liter (Initial fill)
  • Capacity 0,69 liter (Service fill)
  • Code: ATC 400/500
  • X3 3.0si (2006-2010)
  • X Drive
  • Use: Normal
  • Capacity 0,8 liter (Initial fill)
  • Capacity 0,69 liter (Service fill)
  • Code: ATC 400/500
  • X3 2.5i (2004-2006)
  • X Drive
  • Use: Normal
  • Capacity 0,8 liter (Initial fill)
  • Capacity 0,69 liter (Service fill)
  • Code: ATC 400/500
  • X3 3.0i (2004-2006)
  • X Drive
  • Use: Normal
  • Capacity 0,8 liter (Initial fill)
  • Capacity 0,69 liter (Service fill)
  • Code: ATC 400/500

Additional Notes

  • The BMW X3 E83 transfer case carries an initial fill capacity of 0.8 liter, which represents the total fluid volume required when the unit is dry, such as after a rebuild or replacement.
  • The service fill capacity of 0.69 liter is the lower volume used during a routine fluid change, accounting for residual fluid that remains in the transfer case after draining.
  • The 0.11 liter difference between the initial fill and service fill figures reflects the volume of fluid that does not drain completely during a standard service procedure.
  • All four configurations across the 2004-2010 model range share identical initial and service fill capacities, meaning the 2.5i, 3.0i, and 3.0si engine variants make no difference to transfer case fluid volume requirements.
  • The transfer case in all listed configurations is identified as an xDrive transfer box, which is BMW's full-time all-wheel-drive system requiring its own dedicated fluid separate from the transmission or differentials.
  • All listed configurations carry a normal use condition designation, meaning the stated 0.69 liter service fill applies under standard operating conditions rather than severe or heavy-duty use cycles.

Other Systems