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Old 09-11-2019, 03:06 PM   #1
Registered User
Join Date: Jun 2017
Location: Ocala, FL
Posts: 258
My Ride: 2005 330Ci Vert
Year: 2005
Model: 330Ci Convertible
Transmission: Automatic
AC Drivers Side Good-passenger not so good

I have a 2005 330Ci vert with 63,000 miles. Don't drive it a lot but here in FL need a/c for sure.

Recently driver's side air is fairly cool but passenger center vent and door side vent much less cool.

Do not know when previous owners might have had a/c serviced as i've had car since june 2017.

I see some posts indicate low freon but they also say that is possible cause when both outside vents are cold and inside vents are not. Mine has more cold air on 2 drivers vents (center and door) and less cold on passenger (center vent and door).

Does that just sound like low freon and if so is there a kit I can buy to add some freon safely or do I need to take to dealer?

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Old 09-11-2019, 05:18 PM   #2
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Join Date: Mar 2007
Location: TX
Posts: 125
My Ride: 2001 325i
I used to always take mine to an AC-smart indy, never the stealership. They will charge you a fortune for everything, especially AC work.

What you describe sounds like you're just low on refrigerant. A local independent shop that is AC certified/experienced that you trust, can charge it the right amount for $100 to 200. Better would be to spend a little time viewing a few AC YouTube videos that show how to charge it yourself with a manifold gauge (start at $60 or so) and do it yourself. There are tons of good videos like that.

You may have a slow refrigerant leak. If you can find it and repair that would be best. That's what I have and I've not yet found it using refrigerant dye. It's probably an evaporator leak that I can't see. Not looking forward to tearing the dash apart to get to it.

Hopefully yours is easier to fix. Good luck.
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