Removal and installation the fan shroud (BMW 7 Series E38)

Models with engines other than M57 and M67

1. Remove the air cleaner housing (see chapter Fuel and exhaust systems).

2. Remove the expansion tank (see section Removal and installation the expansion tank).



3. If equipped, disconnect the Automatic Cooling Control (AUC) wiring harness connector.



4. On models with an engine M73 remove the clips on the left and right sides.



5. On models with an engine M73 if necessary, disconnect the fan drive coupling from the water pump (see section Removal and installation the fan drive clutch). Remove the fan shroud with an upward movement, together with the fan if necessary.





6. On models with an engine M62 if necessary, disconnect the fan drive coupling from the water pump (see section Removal and installation the fan drive clutch), remove the fasteners (1) from the left and right sides and remove the seal (2). Pull the fan casing upward.



7. When installing, insert the fan shroud into the holders at the bottom and sides.

Models with M57 engine

1. Disconnect the fan impeller.



2. Disconnect the seal (1) from the fan casing (2).





3. Disconnect the sensor connector AUC. Remove the fasteners (1).

4. Remove the fan casing with the impeller.



5. When installing, insert the fixing tabs (1) into the cassette holders on the radiator.

Models with M67 engine

1. Remove the fasteners (1), carefully open the cover (2), squeeze the bracket fasteners (3) and remove it.





2. Remove the cover (1), cut the clamp (2) and remove the fasteners (3).

Replace the clamp when installing.

3. Cut the clamp (1) and disconnect the hose (2).

Replace the clamp when installing.

4. Remove the sensor AUC from the fan casing.



5. Remove the fan impeller (2) by holding the water pump by the square and loosen the union nut (1) using tool No.11 5 040.

Avoid damaging the radiator fins.

6. Lift the fan shroud (1) with a screwdriver (2) and lift it over the screw (3) to bleed the cooling system. Pull the expansion tank (4) back and disconnect it from the fan shroud. Hang the tank on a wire.



7. Loosen the clamp (1) and disconnect the water hose (2).

Replace the clamp when installing.

8. Remove the shroud seal and lift it upwards, being careful not to damage the radiator fins.

9. When installing, ensure that the ventilation hose is positioned correctly at the bottom of the casing; insert the retaining tabs into the cassette holders on the radiator (see illustration).