1700515 Checking function of radiator and heating system: Notes

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WARNING: Danger of scalding!
Only carry out work on cooling system after engine has cooled down.

Necessary preliminary tasks:

Switch off ignition.
Remove air duct.
Remove fan cowl with electronic fan.

Check production date.

Fig 1: Locating Production Date

Courtesy of BMW OF NORTH AMERICA, INC.

Clamp off low-temperature feed lines with special tool 13 3 010 .

Function test:

Observe diagnosis instructions.

Fig 2: Identifying Special Tool 13 3 010

Courtesy of BMW OF NORTH AMERICA, INC.