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Home >> BMW >> 2021 >> X7 M50i >> Repair and Diagnosis >> External Pages >> Different car >> Section 216 (Cooling System - Repair -- X5 (G05)) >> 17 00 Cooling, Test >> 17 00 039 Vent the cooling system and check for watertightness with the special tool (X5 xDrive 40i, 2019-, X5 sDrive 40i, 2020-) >> Fill the cooling system with the vacuum filling unit

Fill the cooling system with the vacuum filling unit

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Vacuum filling equipment 

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Vacuum filling equipment - connected to the coolant expansion tank

  1. Vacuum filling equipment with pressure gauge and shutoff valves 
  2. Filling hose 
  3. Fluid tank with coolant 
  4. Venturi nozzle 
  5. Compressed air connection (maximum of 6 bar) 
  6. Out-going hose (lead out-going hose into a collecting vessel) 

Prerequisite 

The fluid tank of the vacuum filling equipment must have a sufficient quantity of premixed coolant, 1 l to 2 l more than the specified capacity for the vehicle. The fluid tank of the vacuum filling equipment must be positioned at the same height as the coolant expansion tank.

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 
Follow notes for repair work on the cooling system. For additional information see: NOTES FOR WORKING ON THE COOLING SYSTEM 
NOTE: TECHNICAL INFORMATION 
Make sure that the ignition (terminal 15) is switched off prior to creating the vacuum with the vacuum filling equipment.
NOTE: TECHNICAL INFORMATION 
G07 with S4NNA: The air conditioning control panel must be switched off.

Not the type of coolant 

Coolant in the collecting vessel of vacuum filler device 

G14241018Courtesy of BMW OF NORTH AMERICA, INC.

Choose the correct coolant for filling.

In general, a vehicle has to be filled with the coolant with which it is delivered from the factory.

  1. G48 (Blue) (BMW LC-87) 

    Must not be mixed with i3 Coolant or G30 MINI Diesel W16.

  2. i3 Coolant (Blue) (BMW LC-13) 

    Is used only for heater circuit i3. i3 Coolant must not be added to other coolant circuits or mixed with other coolants.

  3. HT12 (Pink) (BMW LC-18) 

    Must not be mixed with i3 Coolant or G30 MINI Diesel W16.

  4. HT12 (Green) (BMW LC-18) 

    Must not be mixed with i3 Coolant or G30 MINI Diesel W16.

  5. G30 (Pink) (BMW LC-07) 

    May be W16 used exclusively for the MINI Diesel. G30 must not be filled in the other coolant circuits or mixed with the other coolants.

NOTE: RISK OF DAMAGE 
Damage to the engine or components in high-voltage vehicles Using the incorrect coolant may lead to corrosion or gel formation in the coolant circuit  .
  • Only use coolant that has been approved for the specific vehicle.
  • Only fill the vehicle with the coolant with which it was delivered ex works.
  • Only mix compatible coolants. The color does not allow any statement about coolant compatibility.
  • Selection of the correct coolant exclusively via the part number.
Type Engine Adapter (Y) from 17 0 100
G05/G06/G07 B47/B57/B48/B58 17 0 105
TECHNICAL DATA SPECIFICATIONS

Filling capacity of high-temperature coolant circuit G05/G06/G07/G18
B58B30M1  
  12.6 l
  B58B30M1 (OE 823) 
  13.6 l
G06853591Courtesy of BMW OF NORTH AMERICA, INC.
G06853592Courtesy of BMW OF NORTH AMERICA, INC.

(X) is the connection on the coolant expansion tank.

G06853593Courtesy of BMW OF NORTH AMERICA, INC.

(X) is the connection on the coolant expansion tank.

G06853594Courtesy of BMW OF NORTH AMERICA, INC.

The venturi nozzle produces a flow noise.

G06853595Courtesy of BMW OF NORTH AMERICA, INC.

» The filling hose (1) has now been bled.

G06853596Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: TECHNICAL INFORMATION 
The coolant hoses contract during vacuum build-up.
G06853597Courtesy of BMW OF NORTH AMERICA, INC.
G06853598Courtesy of BMW OF NORTH AMERICA, INC.

Check 

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Result 

» Vacuum drops.

Measure

Check 

G06853599Courtesy of BMW OF NORTH AMERICA, INC.

Result 

» Vacuum remains constant. Measure

G06853600Courtesy of BMW OF NORTH AMERICA, INC.
G06889264Courtesy of BMW OF NORTH AMERICA, INC.
G06853602Courtesy of BMW OF NORTH AMERICA, INC.