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| E46 General discussion and technical help for 1999-2004 3 series cars. |
06-16-2008, 03:16 PM
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#1
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Name: bueras
Title: United Newb
Status: Offline
Join Date: May 2007
User not setup in Rate My Car. Click here to set it up. Your Ride: 2001 BMW 325ci
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A/C Unit Acting Weird. HELP!
I have a 2001 325ci and my AC unit is acting weird. I will leave the AC on medium vent and it will start switching from low to high by itself although the digital settings stay the same. Its really annoying because when I want to have the AC on the lowest setting, it'll kick into full blast.
It seems to be an electrical problem but I don't know if its the unit itself or the wiring. I was wondering if anyone else had this problem and if so, what you did to fix it. I am thinking that I need to replace the AC control unit. Thanks
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06-16-2008, 06:27 PM
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#2
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Name: Antiburn
Title: Senior Member
Status: Offline
Join Date: Apr 2005
Location: Jersey
Your Ride: 92 525, 88 325 hardtop'ed vert and 83 320iS
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Your "final stage" aka "blower resistor" has failed causing the irratic blower speed. Normal occurance on e46's and e39's. Runs about 60$, you have to remove the glove box to replace it. Its under the front of the dash by the blower motor. It should have about 4 or 5 wires running to it and held in by 2 gold t20 torx screws.
__________________
1992 525i, 1983 320iS and 1988 Hardtop'ed Vert
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06-20-2008, 11:51 AM
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#3
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Name: bueras
Title: United Newb
Status: Offline
Join Date: May 2007
User not setup in Rate My Car. Click here to set it up. Your Ride: 2001 BMW 325ci
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Wow that was easy. Thanks Antiburn I am going to replace it this weekend.
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