Remove left cover.
Drain coolant. See Group 00.
Remove the right-hand coolant hose.
Remove the left-hand coolant hose between radiator and frame.
Replacing coolant hose (radiator/water pump)
Use pliers, BMW No. 175500, to open the clamp securing the coolant hose to the water pump.
Disconnect the coolant hose from the radiator.
Replacing coolant hose (filler bowl/expansion tank)
Disconnect the expansion tank from the radiator and pull it to one side.
Disconnect the coolant hose from the radiator and the expansion tank.
Tightening torque:
- Coolant hoses to radiator/engine/frame: 2 Nm