Red Warning light water temperature (HELP PLEASE)

Gerrieb

New member
The OP does not appear to have been back since posting. Have you tried some of the above...cleaning radiator...fuse check...fan check? I have not had the issue but this is where I would start.
Thank you for the response. The scooter has now been to the BMW Dealership three times. They claim to have done the following: check that the fan kicks in properly, updated the software, checked the strainers, replaced the temperature sensor, checked that the radiator is clean, checked the radiator cap and thermostat. The red warning light is still coming on at speeds above 120 kph. It resets when speed is reduced. For now it looks like we are out of options.
 

AAWW

Member
Thank you for the response. The scooter has now been to the BMW Dealership three times. They claim to have done the following: check that the fan kicks in properly, updated the software, checked the strainers, replaced the temperature sensor, checked that the radiator is clean, checked the radiator cap and thermostat. The red warning light is still coming on at speeds above 120 kph. It resets when speed is reduced. For now it looks like we are out of options.
Use OBD to actually see what temp it is running at.
 

slant911

Active member
Water pump? I had an old truck that would do this. Everything checked out fine and water pump worked perfectly at lower rpm but higher speed run the pump couldn't handle the load placed on it and engine would heat up to unsafe levels. New pump cured it.

Other thought is air in cooling system? Is there an air bleed procedure for the cooling system?

Just thinking out loud for you.
 
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