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Home >> BMW >> 2013 >> 740Lxi >> Repair and Diagnosis >> External Pages >> Different car >> Section 995 (Cooling System - Repair -- F31) >> Engine Radiator With Attachment >> 17 11... Clean the radiator ribs

17 11... Clean the radiator ribs

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 BMW 328i xDrive, 2016 BMW 328d xDrive, 2015 BMW 328i xDrive, 2015 BMW 328d xDrive, and 2014 BMW 328i xDrive. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: Risk of scalding!
Only perform this repair work after engine has cooled down.

Necessary preliminary tasks: 

Release screws (1).

Tightening torque 17 10 2AZ .

Fig 1: Identifying Radiator Ribs Screws
G10103005Courtesy of BMW OF NORTH AMERICA, INC.

Press radiator (1) slightly towards rear.

Check radiator (1) for dirt contamination.

Fig 2: Pressing Radiator Towards Rear
G10103006Courtesy of BMW OF NORTH AMERICA, INC.

To clean the radiator use a standard narrow vacuum-cleaner attachment (1) with a length of approx. 600 mm.

Fig 3: Identifying Narrow Vacuum-Cleaner Attachment
G09876419Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Risk of damage  to the radiator.

Ensure that the cooler fins are not damaged.

Vacuum dirt off the radiator using a vacuum cleaner with a narrow attachment (1).

Fig 4: Identifying Vacuum Cleaner With Narrow Attachment
G10103008Courtesy of BMW OF NORTH AMERICA, INC.

Reassemble the vehicle.