11 44 000 Removing and installing/replacing oil-to-water heat exchanger (N52T)

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WARNING: Risk of scalding!
Only perform this repair work on an engine that has cooled down.

Recycling:

Catch and dispose of drained coolant.

Observe country-specific waste disposal regulations.

Necessary preliminary tasks:

Drain COOLANT

Release coolant hose (1).

Tightening torque: 11 42 4AZ .

Unfasten screws (2).

Tightening torque: 11 42 3AZ .

Installation note:

Replace all gaskets.

Fig 1: Identifying Coolant Hose And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Installation note:

BLEEDING INSTRUCTION must be observed without fail.

Fill COOLING SYSTEM .