water temperature 250F

Gate7 · 08-09-2016, 12:52 PM

Hey all,

I'm using my jb4 to highjack the fuel gauge to show water temp on these hot days in Houston and it's almost in the middle at 250f?

Isn't this about 50f higher than normal?! Does it mean my WP is on ththe way out?! There don't seem to be any leaks.

Thanks!

roadkillrob · 08-09-2016, 03:52 PM

250 is way too hot - it should have no problem keeping it under 220 even on hot days unless you are tracking the car - either your gauge hijack is not working (and if that is the case, temp is correct for the oil temp) or your water pump is on the way out - not sure what temp it has to get to before the orange overhead light comes on, but that should come on somewhere around there if it is that hot.

ferocity02 · 08-09-2016, 04:27 PM

From that picture it looks like it's in the high 230's. If Empty is 160 and Full is 340, then the middle is 250 and each tick is 9F.

High 230's is not abnormal.

Jeff@TopGearSolutions · 08-09-2016, 04:49 PM

Thermostat opens at about 209. Operating Temp is about 220-230 on this car.

Time for a lower thermostat and upgraded radiator perhaps

Gate7 · 08-10-2016, 08:48 AM

I did turn on the max cool feature on jb4 and it did bring the temps down.

Seems like my oil temp is fine and I wonder at what water temp the warning light comes on?

Jeff@TopGearSolutions · 08-10-2016, 09:57 AM

Quote:

Originally Posted by Gate7

I did turn on the max cool feature on jb4 and it did bring the temps down.

Seems like my oil temp is fine and I wonder at what water temp the warning light comes on?

I think if it actually hits 250 it turns yellow but dont quote me.

roadkillrob · 08-10-2016, 07:27 PM

Quote:

Originally Posted by Jeff@TopGearSolutions

I think if it actually hits 250 it turns yellow but dont quote me.

It is very hard to tell because all of us that had our water pumps fail (basically everyone) got the yellow light and then almost instantaneously you get the red light and the shut your car off warning!

firemanjust1 · 08-11-2016, 01:36 AM

Looks normal for water temps. What got my attention is your miles to empty is it just me or does it look like you are getting 800 miles to a tank ?

E92er · 08-11-2016, 05:26 AM

Quote:

Originally Posted by firemanjust1

Looks normal for water temps. What got my attention is your miles to empty is it just me or does it look like you are getting 800 miles to a tank ?

Fuel gauge is high jacked.

Gate7 · 08-11-2016, 11:46 AM

Quote:

Originally Posted by firemanjust1

Looks normal for water temps. What got my attention is your miles to empty is it just me or does it look like you are getting 800 miles to a tank ?

LOL

08-09-2016, 12:52 PM	#1
Gate7 Oh rly? 46 Rep 339 Posts Drives: 335i Join Date: Dec 2013 Location: TX iTrader: (0)	water temperature 250F Hey all, I'm using my jb4 to highjack the fuel gauge to show water temp on these hot days in Houston and it's almost in the middle at 250f? Isn't this about 50f higher than normal?! Does it mean my WP is on ththe way out?! There don't seem to be any leaks. Thanks!
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08-09-2016, 03:52 PM	#2
roadkillrob Major General 866 Rep 5,450 Posts Drives: 08 335i,22 X3M, 2012 C63 Black Join Date: Jul 2007 Location: Boston iTrader: (15)	250 is way too hot - it should have no problem keeping it under 220 even on hot days unless you are tracking the car - either your gauge hijack is not working (and if that is the case, temp is correct for the oil temp) or your water pump is on the way out - not sure what temp it has to get to before the orange overhead light comes on, but that should come on somewhere around there if it is that hot. __________________ 2022 X3M Brooklyn Grey 2008 E93 335i FBO 2012 Mercedes C63 Black Series Alanite Grey
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08-09-2016, 04:27 PM	#3
ferocity02 Colonel 530 Rep 2,083 Posts Drives: 2013 135is Join Date: May 2014 Location: USA iTrader: (8)	From that picture it looks like it's in the high 230's. If Empty is 160 and Full is 340, then the middle is 250 and each tick is 9F. High 230's is not abnormal. __________________ 2013 135is DCT Carbon Black Metallic
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08-09-2016, 04:49 PM	#4
Jeff@TopGearSolutions 3441 Rep 79,211 Posts Drives: C6 Z06, 09 335i, 10 335xi Join Date: Dec 2008 Location: www.TopGearSolutions.com iTrader: (37)	Thermostat opens at about 209. Operating Temp is about 220-230 on this car. Time for a lower thermostat and upgraded radiator perhaps
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08-10-2016, 08:48 AM	#5
Gate7 Oh rly? 46 Rep 339 Posts Drives: 335i Join Date: Dec 2013 Location: TX iTrader: (0)	I did turn on the max cool feature on jb4 and it did bring the temps down. Seems like my oil temp is fine and I wonder at what water temp the warning light comes on?
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08-11-2016, 01:36 AM	#8
firemanjust1 Second Lieutenant 32 Rep 208 Posts Drives: Audi S3/03 350z Join Date: Dec 2013 Location: buffalo ny iTrader: (0)	Looks normal for water temps. What got my attention is your miles to empty is it just me or does it look like you are getting 800 miles to a tank ?
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