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Home >> BMW >> 2015 >> M235i 2D Convertible, Automatic Trans >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Cooling System - Repair -- F23 >> Engine Radiator With Attachment >> 17 11 150 Removing and installing/replacing auxiliary radiator (N55)

17 11 150 Removing and installing/replacing auxiliary radiator (N55)

Necessary preliminary tasks: 

WARNING: Risk of scalding!
Only perform this repair work after engine has cooled down.
IMPORTANT: Wear safety goggles and protective gloves.

Recycling: 

Coolant emerges when coolant lines are detached. Catch and dispose of escaping coolant in a suitable container.

Observe country-specific waste disposal regulations.

Detach coolant lines (1).

Catch and dispose of escaping coolant.

Release clip (2).

Removing auxiliary coolant cooler (3).

Fig 1: Identifying Coolant Lines And Clip
G10103031Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Check coolant hoses for damage.

NOTE: After completion of repair work, check coolant level.
If necessary, ADD COOLANT .
Reassemble the vehicle.