64 12 570 Replacing turbocharger coolant pump for auxiliary heating

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Risk of burning!
Repair work on the cooling system may only be carried out when it has cooled down.

Recycling

Coolant emerges when coolant lines are detached. Have a suitable collecting vessel ready.

Catch and dispose of emerging coolant.

Observe country-specific waste disposal regulations.

NOTE: Clamp off coolant hoses.

Necessary preliminary tasks

Remove FRONT UNDERBODY PROTECTION .
Remove ORNAMENTAL GRILLE IN BUMPER TRIM ON LEFT .

NOTE: Graphic similar.

Release screws (1).

Remove lower left cover (2).

Fig 1: Identifying Lower Left Cover Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten plug connection (1) and disconnect.

Release spring clamps (2) and detach coolant hoses.

Release screw (3) and remove retaining bracket.

Remove turbocharger coolant pump (4).

Fig 2: Identifying Turbocharger Coolant Pump, Plug Connection, Spring Clamps And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

After installation

Fill and bleed cooling system and check for watertightness . See 17 00 039 VENTING AND FILLING COOLING SYSTEM WITH VACUUM FILLING UNIT or 17 00 039 BLEEDING COOLING SYSTEM AND CHECKING FOR WATERTIGHTNESS (N63 B44 O 0) .