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Home >> BMW >> 2017 >> X3 sDrive28i >> Repair and Diagnosis >> External Pages >> Different car >> Section 381 (Cooling System - Repair) >> Coolant, Checking Cooling System >> 17 00 515 Checking function of radiator and heating system

17 00 515 Checking function of radiator and heating system

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required: 

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

Necessary preliminary tasks: 

Check production date.

Fig 1: Locating Radiator And Heating System Production Date
G04725834Courtesy 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
G04725835Courtesy 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: Locating Low-Temperature Feed Line
G06175263Courtesy 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: Clamping Off Low-Temperature Feed Line
G06175264Courtesy of BMW OF NORTH AMERICA, INC.

Check heating and cooling circuits in accordance with diagnosis instruction.