Necessary preliminary work

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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 With 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 the repair work, fill charge air cooler with coolant.

Vent COOLING SYSTEM FOR CHARGE AIR COOLER .

Check cooling system for tightness.

Assemble engine.