17 00 515 Checking function of radiator and heating system

WARNING: This page is about a different car, the 2009 BMW 528xi, 2009 BMW 528i, 2008 BMW 528xi, and 2008 BMW 528i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

13 3 010 .

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: 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: Clamp Off Low-Temperature Feed Lines With Special Tool 13 3 010

Courtesy of BMW OF NORTH AMERICA, INC.

Check function of radiator. Clamp off low-temperature feed line (1) at coolant pump outlet or radiator inlet with special tool 13 3 010 (see arrows).

Fig 3: Clamp Off Low-Temperature Feed Line (1) At Coolant Pump Outlet Or Radiator Inlet

Courtesy of BMW OF NORTH AMERICA, INC.

Automatic transmission only: Check function of heat exchanger. Clamp off low-temperature feed line (1) at coolant pump outlet with special tool 13 3 010 (see arrow). Clamp off low-temperature feed line (2) at oil-coolant heat exchanger with special tool 13 3 010 (see arrow).

Fig 4: Clamp Off Low-Temperature Feed Line (1) At Coolant Pump

Courtesy of BMW OF NORTH AMERICA, INC.

Check heating and cooling circuits in accordance with diagnosis instruction.