11 53 090 Removing and installing/replacing supplementary coolant pump for exhaust turbocharger (S63)

WARNING: Danger of scalding!
Only perform this work after engine has cooled down.

Recycling

Catch and dispose of drained coolant in a suitable container.

Observe country-specific waste-disposal regulations.

Necessary preliminary tasks:

IMPORTANT: Risk of damage!

Coolant emerges when the coolant hoses are detached from the supplementary coolant pump.

Cover surrounding components and plug connections with suitable apparatus

Release screws (1).

Release hose clamps (2) with a suitable tool.

Disconnect plug connection (not shown).

Fig 1: Identifying Hose Clamps And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Plug connection must snap audibly into place!

Lift out auxiliary coolant pump.

Assemble engine.

Top up COOLANT .

VENTING INSTRUCTIONS must be observed without fail.