BMW 7 series, G70 (EU)

Coolant capacity & service interval

BMW 7 series, G70 (EU) coolant capacity ranges from 4,7 to 15,4 liters depending on the cooling circuit. The data covers 6 configurations.

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

TypeSpecifications
735i Mild-Hybrid PF (210 kW) (2022- )
  • Use: Normal
  • Capacity 14-15,4 liter (High temperature cooling circuit )
  • Capacity 6-6,6 liter (Low temperature cooling circuit)
740i Mild-Hybrid PF (280 kW) (2022- )
  • Use: Normal
  • Capacity 14-15,4 liter (High temperature cooling circuit )
  • Capacity 6-6,6 liter (Low temperature cooling circuit)
740i xDrive Mild-Hybrid PF (280 kW) (2022- )
  • Use: Normal
  • Capacity 14-15,4 liter (High temperature cooling circuit )
  • Capacity 6-6,6 liter (Low temperature cooling circuit)
750e xDrive PF (360 kW) (2022- )
  • Use: Normal
  • Capacity 12,6-14 liter (High temperature cooling circuit )
  • Capacity 5,4-6 liter (Low temperature cooling circuit)
760i Mild-Hybrid xDrive PF (400 kW) (2022- )
  • Use: Normal
  • Capacity 13,3 liter (High temperature cooling circuit )
  • Capacity 4,7 liter (Low temperature cooling circuit)
M760e xDrive PF (420 kW) (2022- )
  • Use: Normal
  • Capacity 14-15,4 liter (High temperature cooling circuit )
  • Capacity 6-6,6 liter (Low temperature cooling circuit)

Additional Notes

  • All six BMW 7 Series G70 (EU) variants listed carry two separate cooling circuits: a high temperature cooling circuit serving the combustion engine and a low temperature cooling circuit associated with the electrified drivetrain components, such as power electronics and electric motor hardware.
  • The 735i Mild-Hybrid PF (210 kW), 740i Mild-Hybrid PF (280 kW), 740i xDrive Mild-Hybrid PF (280 kW), and M760e xDrive PF (420 kW) all share identical capacity ranges of 14–15.4 liters for the high temperature circuit and 6–6.6 liters for the low temperature circuit, indicating a common cooling architecture across those variants despite differences in output.
  • The capacity ranges listed, such as 14–15.4 liters, reflect a minimum-to-maximum fill window rather than a single fixed volume. A range of this kind typically accounts for air pockets, reservoir level variation, and differences between a drain-and-refill service versus a full system flush.
  • The 750e xDrive PF (360 kW) plug-in hybrid carries a slightly reduced high temperature circuit capacity of 12.6–14 liters and a low temperature circuit capacity of 5.4–6 liters, both lower than the mild-hybrid variants sharing the same capacity figures.
  • The 760i Mild-Hybrid xDrive PF (400 kW) has fixed single-value capacities of 13.3 liters for the high temperature circuit and 4.7 liters for the low temperature circuit, rather than a range. A fixed value in service specifications generally indicates a precisely measured system volume with less tolerance for variation during a standard service fill.
  • The low temperature cooling circuit on the 760i Mild-Hybrid xDrive PF at 4.7 liters is the smallest among all listed variants, while the high temperature circuit at 13.3 liters falls between the 750e xDrive and the mild-hybrid group, placing the 760i in a distinct capacity bracket for both circuits.
  • All rows are specified under normal use conditions, meaning the capacities listed apply to standard operating environments rather than severe-duty cycles such as frequent towing, extreme ambient temperatures, or high-load driving patterns.

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