with a/c on only drivers side blowing cold air passenger side blos warm

Asked by Apr 20, 2013 at 10:44 PM about the 2004 BMW 3 Series 325i Sedan RWD

Question type: Maintenance & Repair

9 Answers

29,285

Dont mess with bmw's but if you have dual zone a/c then most of the time you have a bad blend door actuator. Dont know where its located but I have put many on other vehicles with the same issue

4 of 4 people found this helpful.

those BMW silicone vacuum lines simply don't leak, so must be the instructions to activate that are gone wonky--a rotary mechanical selector, no it's a hidden behind the dash vacuum diverter and switches....I'd check for a blown fuse on the environmental control system~ then try to figure out why it blew~

3 of 3 people found this helpful.
3,455

AS A BMW (5) OWNER, you need to clean your dual temperature sensor. It should be located in the control panel. Just look for the small vented square area, Dust can accumulate and cause the sensor to malfunction. If cleaning it from the exterior does not yield successful results, you may need to remove the panel and clean it from behind.

10 of 10 people found this helpful.
3,015

Both answers can be correct but it can be also that you need to refill the ac system' or you have a leak. You need to check with an ac tech

1 of 1 people found this helpful.
29,285

how did judge roy's answer get marked helpful? it doesnt even have vaccum actuators its all electronic. and a blown fuse does not cause this issue. did the retared pick the person with the highest reputaion and think that he is right hmmmm.

2 of 2 people found this helpful.
3,015

kbro the one that answers the most and gets the highest scores is not neccesarilly the most wise on the topic. but in my opinion respect is all, i write from my experiences and knowledge as a tech and the points do not matter, i am not getting money out of this, just help my fellow car owners.

4 of 4 people found this helpful.
29,285

I wasnt caling you out. I dont have a problem with your answer I do however have a problem with most of judge roys more than once he has giving flase information that is non debateable on how it works and in this case his answer is no help once again since it does not even use vacuum to control the actuators. I'm am also here to help and get frustrated when the wrong information is be givin out. which is no help to anyone really.

2 of 2 people found this helpful.
90

only people that on this type of car should answer or a certified tech such as myself I own the car and I work for BMW. Most likely it is either the cabin temp sensor as one person suggested or a blend door actuator is the possibility this the old silly water pump there is a diverter that diverts water too the passenger side coil if you have dual heating coils which were on nin export models. and as for some one suggesting low freon you mean refrigerant that cannot be the cause because he is getting cold air from one side which means the system is charged there are no separate evaporators

9 of 9 people found this helpful.

Can I ask a follow up question? I have a 323i and recently it seems the climate control doesn' moderate the temp. When the A/C is on it is just too cold all the time. I tried adjusting up the temp and down the fan, but i think the car is not reading the actual temp in the cabin. What to do? lisamyers77@gmail.com if you like to reply. thanks!

Your Answer

3 Series

Looking for a Used 3 Series in your area?

CarGurus has 33,097 nationwide 3 Series listings starting at $1,428.

ZIP:

BMW 3 Series Experts

  • #1
    Tom Demyan
    Reputation
    5,290
  • #2
    Robert Charlson
    Reputation
    1,690
  • #3
    grolyate
    Reputation
    1,290
View All

Related Models For Sale

Used BMW 5 Series
476 Great Deals out of 16,250 listings starting at $1,032
Used BMW M3
56 Great Deals out of 1,997 listings starting at $5,495
Used Mercedes-Benz C-Class
845 Great Deals out of 26,034 listings starting at $1,500
Used Audi A4
235 Great Deals out of 11,942 listings starting at $1,899
Used Ford Mustang
457 Great Deals out of 42,833 listings starting at $1,488
Used Mercedes-Benz E-Class
563 Great Deals out of 22,268 listings starting at $1,999
Used BMW 6 Series
86 Great Deals out of 2,414 listings starting at $4,995
Used BMW 7 Series
141 Great Deals out of 5,126 listings starting at $1,770
Used Honda Accord
859 Great Deals out of 79,208 listings starting at $1,444
Used BMW X5
337 Great Deals out of 15,435 listings starting at $1,995
Used BMW 1 Series
50 Great Deals out of 1,076 listings starting at $5,590

Used Cars For Sale

2018 BMW 3 Series For Sale
16 Great Deals out of 6,116 listings starting at $31,076
2017 BMW 3 Series For Sale
112 Great Deals out of 3,673 listings starting at $22,989
2016 BMW 3 Series For Sale
50 Great Deals out of 1,145 listings starting at $14,991
2015 BMW 3 Series For Sale
141 Great Deals out of 3,330 listings starting at $13,926
2014 BMW 3 Series For Sale
254 Great Deals out of 4,287 listings starting at $11,979

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.