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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 > If temp is 0℃(32F),the pwm cant work?

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      11-19-2012, 09:39 AM   #1
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If temp is 0℃(32F),the pwm cant work?

I use the vishnu pwm kit,
but today its cant work,
I know the oil temp >=80℃ the meth is working,
If the temp is 32F,cant work?
I 'm sorry,
my english is not very well...

diddlkiss is offline   China
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      11-19-2012, 10:37 AM   #2
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Your oil temps will heat up as the car warms up! Our temps here hits 0c to -3c but my car heats up and things work fine. Just takes a while to do so. So you get no flow at all? Does your oil temps not heat up enough? Are you getting heat from your cars internal climate controls?

Trying to see if this is a meth kit issue or car temp issue!
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      11-19-2012, 12:23 PM   #3
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I don't think your problem is the temperature. Perhaps you have some loose wiring.

Have you checked all wiring?

Can you turn the pump on manually by hot-wiring the pump to a 12V source?
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