17 00 ... Removing And Installing/Replacing Radiator Core (BMW ALPINA B7)

Special tools required:

11 0 020
11 5 160

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

IMPORTANT: Wear protective gloves and goggles.

Recycling:

Catch and dispose of escaping coolant.

Observe country-specific waste-disposal regulations.

Necessary preliminary tasks:

Read out fault memory of DME control unit
Switch off ignition
Remove clean air pipe . See 13 71 038 REMOVING AND INSTALLING/REPLACING CLEAN AIR PIPE (BMW ALPINA B7) .
Remove transmission oil cooler . See 17 00 ... REMOVING AND INSTALLING/REPLACING RADIATOR CORE (BMW ALPINA B7) .
Remove engine oil cooler . See 17 21 150 REMOVING AND INSTALLING/REPLACING ENGINE OIL COOLER (BMW ALPINA B7) .
Drain off air conditioner . See 64 50 009 DRAWING OFF, EVACUATING AND FILLING A/C SYSTEM (R 134A) .

Follow instructions for working on cooling system . See 17 00 ... INSTRUCTIONS FOR WORKING ON COOLING SYSTEM .

Open cap on coolant expansion tank.

Release drain plug (1). Drain, catch and dispose off coolant.

Unlock coolant hoses and detach.

Press line (2) for power steering in direction of cooling loop. Pull locking ring towards rear and keep pressed. Detach line (2) from cooling loop.

NOTE: Texts refer to and illustrations show the power steering line on the right side. The procedure is identical for the left side.

Fig 1: Identifying Drain Plug And Line

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Quick-connect couplings must be clearly heard to snap into place.

Remove cover (1).

Remove air duct (2).

NOTE: Texts refer to and illustrations show the left side. The procedure is identical for the right side.

Fig 2: Identifying Cover And Air Duct

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten clip.

Tightening torque: 5 Nm.

Detach charge-air hose (1) from intake pipe (2).

Fig 3: Identifying Charge-Air Hose And Intake Pipe

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten clip.

Tightening torque: 5 Nm.

Detach charge-air hose (1) from intercooler.

Feed out charge-air pipe (2) downwards and remove.

Fig 4: Identifying Charge-Air Hose And Charge-Air Pipe

Courtesy of BMW OF NORTH AMERICA, INC.

Release clamps.

Tightening torque: 5 Nm.

Press radiator core forwards slightly and detach and remove charge-air hose (1).

Fig 5: Identifying Charge-Air Hose

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Charge-air hoses with clamp fastenings must be installed dry and free from grease!
If the charge-air hoses are not fitted dry and without grease, this may cause supercharger system failure!

Unlock and detach vent hose (1).

Unlock connector (2) and remove.

Loosen retainers.

Raise upper section (3) of intake filter housing in direction of arrow and remove.

Fig 6: Identifying Vent Hose, Connector And Upper Section Of Intake Filter Housing

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock plug (1) and remove.

Fig 7: Identifying Plug

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Tightening torque. See COOLING SYSTEM - TIGHTENING TORQUES .

Disconnect lines (2) towards top and lay to one side.

Lift out condenser.

NOTE: Instructions on removing and installing A/C system condenser must be observed without fail! See 64 53 551 REMOVING AND INSTALLING / REPLACING CONDENSER FOR A / C SYSTEM (N62) .

Fig 8: Identifying Screws And Lines