17 11 000 Removing and installing the radiator (B36, B37, B38, B46, B47, B48)

Necessary preliminary tasks: 

• Remove A/C CONDENSER
• Drain COOLANT .
• Remove FAN COWL .

Removal: 

Unlock and detach coolant line (1) on the right at the radiator.

Unlock and detach coolant line (2) on the left at the radiator.

Unlock and detach coolant ventilation line (3) on the left at the radiator.

Fig 1: Coolant Line And Coolant Ventilation Line

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Release screws (1) on charge air cooler.

Fig 2: Charge Air Cooler Screws

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Feed out radiator (1) toward top and remove.

Fig 3: Removing Radiator

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Installation: 

Feed in radiator (1) to the charge air cooler.

Fig 4: Installing Radiator To Charge Air Cooler

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Tighten down screws (1).

Tightening torque 17 10 2AZ .

Fig 5: Charge Air Cooler Screws

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Connect coolant lines (1), (2) and (3) at the radiator.

All coolant lines must audibly engage.

Fig 6: Coolant Line And Coolant Ventilation Line

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Required follow-up work: 

• Top up COOLANT .