Installing auxiliary coolant pump for the turbocharger

WARNING: This page is about a different car, the 2022 BMW X7, 2021 BMW X7, 2020 BMW X7, and 2019 BMW X7. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: RISK OF DAMAGE
Non-visible damage to the coolant pump .
Forcibly removing, installing or dropping the coolant pump down will damage it .

Remove and install the coolant pump without damaging it and without applying external force.
Avoid impacts/knocks to the coolant pump (e.g. by tools, falling down, hard contact with base).
Replace coolant pump after being dropped or hard impacts/knocks.

NOTE: TECHNICAL INFORMATION
Make sure that the connections are locked correctly. The locks must engage audibly.

Position the auxiliary coolant pump (2).
Connect and lock coolant line (1).
Make sure that the coolant line (1) engages audibly.

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Position the auxiliary coolant pump (1) on the retainer (2).

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Feed in and install the retainer (2) in the marked area.

Tighten nut (1).

TIGHTENING TORQUES SPECIFICATION

Auxiliary coolant pump holder to cylinder head
M6	Tightening torque	8 Nm

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Feed in and install coolant line (2).
Make sure that the coolant line (2) engages audibly.
Connect and lock the connector (1).
Make sure the connector (1) engages audibly.

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Follow-up work

Refer to CONNECTING THE COOLANT LINE TO THE HIGH-TEMPERATURE COOLANT RADIATOR .
Refer to INSTALLING INTAKE FILTER HOUSING .
Refer to FILLING AND VENTING THE HIGH-TEMPERATURE COOLANT CIRCUIT .
Refer to INSTALLING ACOUSTIC COVER .
Refer to INSTALLING THE FRONT BOTTOM RIGHT WHEEL ARCH COVER .
Refer to INSTALLING FRONT UNDERBODY PROTECTION .