17 00 040 Bleeding and filling low temperature cooling system using vacuum filler device (B48)

WARNING: This page is about a different car, the 2018 BMW 330i and 2017 BMW 330i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

00 2 030
17 0 100

Type	Engine	Adapter Y from 17 0 100
F20, F21, F22, F23, F30, F31, F32, F33, F34, F35, F36	B46/B48	17 0 109

Attention!

Filling without vacuum filling unit (watering can filling ) is not approved for this engine.

In case of noncompliance, there is a danger of engine damage!

Attention!

Lifetime coolant filling:

Never 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 drained and refilled.

In the case of other removal work involving the draining of part quantities of coolant, replace these quantities which have been drained with new coolant.

Note on ordering:

Applicable BMW Workshop equipment
Applicable BMW Workshop equipment catalogue
Vacuum filling unit number 81 39 2 152 473
Collecting vessel no. 81 49 2 152 347
Adapter: 17 0 100

Attention!

Risk of slipping due to coolant on the floor.

Danger of injury!

Catch and dispose of emerging coolant in drip tray (1) and if necessary special tool 00 2 030 (universal hydraulic lifting equipment).

Recycling:

Observe country-specific waste disposal regulations.

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Attention!

All coolant hoses must be checked before the low temperature cooling system is filled using the vacuum filler device.

If necessary, replace damaged and porous coolant hoses.

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Vacuum filling unit with vacuum meter and shutoff valves
Filler hose
Coolant container
Venturi nozzle
Compressed air connection (max. 6 bar)
Outgoing-air hose (lead outgoing-air hose into a collecting container)

Preconditions

Cooling system expansion tank must be empty.
There must be sufficient premixed coolant in the vacuum filling unit container, 1 - 2 liters more than the vehicle filling capacity.
- Use only recommended coolant. Refer to: RADIATOR - OPERATING FLUIDS
- Observe mixture ratio. Refer to: RADIATOR - OPERATING FLUIDS
- Observe capacities.
Position the vacuum filling unit container at the same height as the coolant expansion tank.
Compressed-air connection with 6 bar pressure present.
Set vehicle heater to maximum temperature.

Select adapter (Y) according to table and connect to coolant expansion tank.

Connect vacuum filling unit to adapter connection (X).

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Shutoff valves (A) and (B) of the vacuum filling unit (1) must be closed.

(X) Expansion tank connection

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Connect Venturi nozzle (1) to vacuum filling unit (2).

(X) Expansion tank connection

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Connect compressed air (1).

(X) Expansion tank connection

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Open shutoff valve (B).

The venturi nozzle produces a flow noise.

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Then open shutoff valve (A) until the filling hose (1) is free of bubbles.

Close shutoff valve (A) again. The filling hose (1) is vented in this way.

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Shutoff valve (B) will remain open. Generate vacuum in coolant system for approx. 2 minutes. The final vacuum is reached at a vacuum of -0.7 to -0.95 bar. Green scale on the vacuum meter.

NOTE: The coolant hoses contract during vacuum build-up.

Then close shutoff valve (B) again.

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Both shutoff valves (A) and (B) must be closed. Then seal Venturi nozzle (1).

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The cooling system must hold the vacuum for 30 s. If the needle in the vacuum meter falls, this indicates a leak in the cooling system.

If the vacuum remains constant, proceed with filling.

In event of leaks, check cooling system for leaks.

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Attention!

There must be sufficiently premixed coolant in the vacuum filling unit container, 1-2 liters more than the vehicle filling capacity.

Position the vacuum filling unit container at the same height as the coolant expansion tank.

Shut-off valve (B) remains closed during the filling process.

To fill the cooling system, open shutoff valve (A) to vacuum filling unit container.

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Coolant is now added.

The filling process is finished when the needle in the vacuum meter is at 0 bar or no longer falls.

If necessary, reduce remaining vacuum. Open shutoff valve (B) to do so.

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Remove vacuum filling unit with adapter from expansion tank.

Adjust coolant level to maximum.

Close coolant expansion tank.

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After the cooling system has been filled with the vacuum filling unit, another bleeding procedure must be performed:

Refer to: F31, B48