some info plz

[xmanz]

Hi there after on idle for 20 miins looking for a water issue  i noticed even tho very hot on all hoses  my interior gauge shows about one quarter up from cold,so my qustions are at what stage do the elec fans come on they didnt in the 20 mins  im really wondering if im overheating .

Where is the sensor located?

  what sensor turns them on?

tia  v36 2007 btw

Edited April 18, 2020 by xmanz

[GTSBoy]

Booster fan sensor is at the bottom tank on the driver's side.

Just because the gauge says something, does not make it true. Check resistance of gauge sensor against values in manual, expected gauge position, and temperature reading from laser pyrometer on radiator hose(s).

[KiwiRS4T]

34 minutes ago, xmanz said:

Hi there after on idle for 20 miins looking for a water issue  i noticed even tho very hot on all hoses  my interior gauge shows about one quarter up from cold,so my qustions are at what stage do the elec fans come on they didnt in the 20 mins  im really wondering if im overheating .

Where is the sensor located?

  what sensor turns them on?

tia  v36 2007 btw

Don't know about your car specifically but those fans are usually triggered when the air cond is overwhelmed. The stock gauge is usually calibrated so that it doesn't move into the "hot" indication until your engine is very hot indeed. See if you can get hold of one of those temperature guns (like you see people on TV pointing at people's foreheads to test for Covid) and check your inlet and outlet hoses to make sure your radiator is not blocked or your thermostat stuck. 

[GTSBoy]

They're cheap enough from Jaycar, eBay, etc.