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Home >> BMW >> 2017 >> 530i >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Cooling System (Mechanical) >> Cooling System - Repair (G30) (1 Of 2) >> 17 00 Cooling, Test >> 17 00 008 Draining and topping up coolant for high-temperature circuit (540i, 2017-2020, 540i, 2021-2022, 540i xDrive, 2021-2022) >> Drain the coolant from the high-temperature cooling system

Drain the coolant from the high-temperature cooling system

Prerequisite

WARNING: Hot surfaces.
Risk of burning!
  • Perform all work only on components that have cooled down.

Preliminary work 

WARNING: Hot surfaces.
Risk of burning!
  • Perform all work only on components that have cooled down.
NOTE: TECHNICAL INFORMATION 
Immobilization period-long fill of coolant!
Do not reuse used coolant.
When replacing and removing components which rely on the corrosion protection effect of the coolant, it is essential to change the coolant. The cooling system must therefore be emptied and refilled.
In the case of other removal work involving the draining of part quantities of coolant, the coolant level must be topped up with new coolant.
NOTE: TECHNICAL INFORMATION 
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.