17 00 515 Checking function of radiator and heating system

WARNING: This page is about a different car, the 2016 BMW Z4, 2015 BMW Z4, and 2014 BMW Z4. 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: Locating Production Date

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

Function test:

Observe diagnosis instructions.

Fig 2: Clamping Special Tool (13 3 010) And Low Temperature Feed Lines

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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

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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: Locating Low Temperature Feed Lines

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Check heating and cooling circuits in accordance with diagnosis instruction.