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Old 07-27-2010, 04:45 PM   #1
bubba_455
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Join Date: Mar 2009
Location: Mississauga
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Car: e36 325i
AC Problems
My dad asked me to post this about his 1997 540i. The heater and AC fans are turning on and off by themselves and the AC blows cold some days and not others. He said it works better at night. Anybody have any thoughts about what's going on?
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Old 07-27-2010, 05:03 PM   #2
parm
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Car: M5
FSU unit mabey?

http://www.youtube.com/watch?v=Bwe3h7rMjqY
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Old 09-14-2010, 09:53 PM   #3
Fernando
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Location: Vaughan
Posts: 254
Car: 1999 BMW 540i 6
Heres another link to the final stage resistor

http://www.540i6.com/finalstagereplacement.html
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