11 44 000 Removing and installing/replacing oil-to-water heat exchanger (N55)

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 work

Release coolant hose (1).

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:

VENTING INSTRUCTIONS must be observed without fail.