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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Low heat in the coupe



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      11-21-2016, 02:53 PM   #1
Christian_H
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Low heat in the coupe

Hi.

I have a problem withe the heat from the fan, itīs not nearly hot enoug.
When the fan speed is set to 1 the air temp is about 20c or 68f if i increase te speed the air gets colder and colder.
Read that it could be the thermostat.
I check the water temperature, when drivin it was about 97c or 206f, at idel it went up to about 108c or 226f.

Could it still be the thermostat?
if not any ideas what could be the problem ?

Best regards
Christian
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      11-21-2016, 05:44 PM   #2
Irishace
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Yes most likely the stat. Had a similar issue in my e46. Stat was fried.
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      11-21-2016, 05:50 PM   #3
08njSTEP
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Have you moved the dash dial from blue to red. It doesn't matter what temp is set, if set to blue the air will be cool.
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      11-22-2016, 05:03 AM   #4
Christian_H
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Thank you irishace, will start with the stat.

08njstep i have tried that, when on blue it wil be cooler, but when on red it wouldn't be warm enough.
Thank you for your input
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      11-22-2016, 05:22 PM   #5
muncie21
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Could also be the water pump going out, however it would only blow cool/cold for a few minutes before you overheat and go into limp mode. This happened to me last winter
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