2000 BMW 540i radiator hose removal

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Radiator and Cooling System 1
4 Lift fan and shroud together out of engine compartment.
- Detach upper and lower radiator hoses.
NOTE -
Later models use retaining clips to fasten coolant hoses to
expansion tank and radiator.
- Disconnect temperature sensor harness connector.
4 Remove radiator support bolts and supports (arrows). 6-cyl-
inder shown.
- Slide right side of radiator back toward engine and pull radi-
ator up to remove.
- Installation is reverse of removal, noting the following:
Fill radiator and cooling system. See Coolant, draining
and filling (6-cylinder models) or Coolant, draining
and filling (V-8 models).
Tightening torques
Engine block drain
plug to block 25 Nm (18 it-lb)
Radiator drain plug
to radiator 2 - 3 Nm (18 - 27 in-ib)
Expansion tank, removing and installing
- Raise front of car and support safely.
WARNING -
Make sure the car is stable and well supported at all times.
Use a professional automotive
/iff orjacltstands designed for
the purpose. A
floorjacl~ is not adequate support.
- Remove splash shield from under engine.
- Drain radiator as described earlier. See Coolant, draining
and filling (6-cylinder models) or Coolant, draining and
filling
(V-8 models).
I WARNING-
Allow cooling system to cool before opening or draining sys-
I tem.

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170-25
Radiator and Cooling system]
< Disconnect expansion tank:
Remove expansion tank bleed screw and support clip
(A)
Loosen hose clamp (6) and disconnect coolant hose from
expansion tank.
Disconnect harness connector from coolant level sensor
(C).
Push top of expansion tank toward engine and disconnect
bleed hose.
Lift expansion
tank to free it from lower mounts, then lift
straight up to remove.
- Installation is reverse of removal, noting the following:
Fill radiator and cooling system as described earlier. See
Coolant, draining and filling (6-cylinder models) or
Coolant, draining and filling
(V-8 models).