17 11 120 Removing and installing/replacing cooler for charge air cooler (N63, N74)

WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Risk of scalding!
Only perform this repair work after engine has cooled down.

IMPORTANT: When carrying out repair work on the coolant circuit, protect the alternator from dirt contamination.

Cover alternator with suitable materials.

Failure to comply with this procedure may result in an alternator malfunction.

Necessary preliminary tasks:

Remove COOLING LOOP for hydraulic steering (not ALPINA B7).
Drain coolant for charge air cooler.

Release and disconnect coolant hoses (1).

Release lock (2).

Pull lines (3) with holder upwards.

Fig 1: Identifying Coolant Hoses, Pressure Lines And Locks

Courtesy of BMW OF NORTH AMERICA, INC.

Lift out radiator for charge air cooler (1).

Fig 2: Lifting Out Radiator For Charge Air Cooler

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

After completing repair work, top charge air cooler up with coolant.

Vent COOLING SYSTEM FOR CHARGE AIR COOLER .

Check cooling system for tightness.

Assemble engine.