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What is normal operating temp? in degrees celcius please! :)

ryan1980

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Hey guys,

I've put a VR V6 engine into an old E21 BMW. I've fitted an aftermarket water temp guage, and i need to know what is normal operating temp for these cars.

It's currently sitting on around 105 degrees, which i feel is a bit high in this cold weather.

Ryan
 

delcowizzid

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the fan should kick in around 100 or just over and bring it down to low 90's to high 80's when driving it should be between 80-100 well it should be at the temp of the thermostat which is at least 82-86 degrees.
 

cander24

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Assuming you're using the standard 91*C thermostat I would have said to expect an operating temp of around 98*C so its probably a little high but not by much.
 

PanthaVS

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i know its not relevant... well sorta...

my old bike (2005 model japanese bike) had a digital temp gauge. 90 deg was normal. 100 was hot and in traffic running... and if it got up to 107 - 110... thats really hot... it never did get that hot, even in summer.
 

ryan1980

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i got it sorted now anyways, got a bigger radiator :)
 
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