BMW X6, F16 / F86 (USA)

Differential fluid capacity & service interval

BMW X6, F16 / F86 (USA) models require differential fluid with a capacity range of 0,52 to 1,2 liters. The data covers 12 configurations.

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

TypeSpecifications
  • X6 xDrive35i (2019-2019)
  • Rear, mid section
  • Use: Normal
  • Capacity 0,8-1,2 liter
  • Code: QMVH
  • X6 xDrive35i (2019-2019)
  • Rear, outer sections
  • Use: Normal
  • Capacity 0,56-0,6 liter (right-hand side)
  • Capacity 0,52-0,56 liter (left-hand side)
  • Code: QMVH
  • X6 xDrive50i (2019-2019)
  • Rear, mid section
  • Use: Normal
  • Capacity 0,8-1,2 liter
  • Code: QMVH
  • X6 xDrive50i (2019-2019)
  • Rear, outer sections
  • Use: Normal
  • Capacity 0,56-0,6 liter (right-hand side)
  • Capacity 0,52-0,56 liter (left-hand side)
  • Code: QMVH
  • X6 xDrive35i (2015-2019)
  • Rear, mid section
  • Use: Normal
  • Capacity 0,8-1,2 liter
  • Code: QMVH
  • X6 xDrive35i (2015-2019)
  • Rear, outer sections
  • Use: Normal
  • Capacity 0,56-0,6 liter (right-hand side)
  • Capacity 0,52-0,56 liter (left-hand side)
  • Code: QMVH
  • X6 xDrive50i (2015-2019)
  • Rear, mid section
  • Use: Normal
  • Capacity 0,8-1,2 liter
  • Code: QMVH
  • X6 xDrive50i (2015-2019)
  • Rear, outer sections
  • Use: Normal
  • Capacity 0,56-0,6 liter (right-hand side)
  • Capacity 0,52-0,56 liter (left-hand side)
  • Code: QMVH
  • X6 xDrive35i (2014-2015)
  • Rear, mid section
  • Use: Normal
  • Capacity 0,8-1,2 liter
  • Code: QMVH
  • X6 xDrive35i (2014-2015)
  • Rear, outer sections
  • Use: Normal
  • Capacity 0,56-0,6 liter (right-hand side)
  • Capacity 0,52-0,56 liter (left-hand side)
  • Code: QMVH
  • X6 xDrive50i (2014-2015)
  • Rear, mid section
  • Use: Normal
  • Capacity 0,8-1,2 liter
  • Code: QMVH
  • X6 xDrive50i (2014-2015)
  • Rear, outer sections
  • Use: Normal
  • Capacity 0,56-0,6 liter (right-hand side)
  • Capacity 0,52-0,56 liter (left-hand side)
  • Code: QMVH

Additional Notes

  • The BMW X6 F16/F86 rear differential is divided into three separate fill sections: a mid section and two outer sections, each with its own distinct fluid capacity specification. Servicing the differential correctly requires filling all three sections independently rather than treating the unit as a single reservoir.
  • The mid section of the rear differential carries a capacity range of 0.8–1.2 liters across all listed configurations. The wide range of 0.4 liters reflects a fill-to-overflow method, where fluid is added until it reaches the fill plug level rather than measuring a fixed volume.
  • The two outer sections of the rear differential hold different volumes from each other. The right-hand side accepts 0.56–0.6 liters, while the left-hand side accepts a slightly lower 0.52–0.56 liters. The asymmetry between sides is a deliberate design characteristic of the differential housing geometry.
  • The capacity specifications for the mid section and both outer sections are identical between the xDrive35i and xDrive50i variants across all listed model years. Despite the difference in engine displacement and power output between the inline-six xDrive35i and the V8 xDrive50i, the rear differential housing dimensions and fluid volumes remain consistent.
  • All differential fluid capacity entries across the 2014-2019 model year range are designated for normal use conditions. No separate severe-use capacity or interval specification is listed for any of the three differential sections on any configuration.
  • The outer section capacity ranges are notably narrow compared to the mid section. The right-hand side spans only 0.04 liters and the left-hand side spans the same 0.04 liters, indicating a tightly controlled fill tolerance for those sections relative to the broader 0.4-liter range of the mid section.

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