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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 08-02-2007, 11:56 PM   #1
Custom3
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How To Keep Your A/C Off When Turning On Your Car....DIY

Tired of your A/C or Heater coming on EVERY time you start your car? Well heres how you can fix BMW,s brilliant idea.Although BMW made it this way it is very annoying.
Now I know not every E46 has this issue only some...So if your going to post "My car doesn't do that" then don't bother posting at all.

There are 2 methods to fixing this issue.

1:Pay a BMW dealer a hour worth of labor to program your cars computer to not trigger the A/C climate control when the car is turned on.(cost range from $70 to $130 dollars)

2:Buy the newer version A/C Climate Control unit and put it in yourself.(cost for a used A/C Climate Control on EBAY?? I got it for $40 dollars.)

I choose the second method for obvious reasons.

Tools needed
1:Screw Driver

And you will need the updated version A/C Climate Control Unit. Part # 64.11-6956319

It looks like this.


1st step is to remove these 2 screws, unclip the window switches and remove the plastic cover.


2nd step is to remove these 2 screws as well


3rd step is to open the little door if its not open yet and push it out.This piece is clipped on and might be a bit hard to take out.The arrows in the picture show were the clips are.Just push in and pull...be patient.


4th step is to remove the screws circled in the picture.


5th step you'll have to remove the whole plastic thingy.You can toss it to the right with out unplugging any switches as you can see on the bottom pic.Now put your hands under the A/C climate control unit and push out towards you.It pops right out.


6th step is to plug all the plugs from the old climate control to the new one.The bottom pictures shows you the difference in design.The bottom one is the newer version.


7th step is to put everything back again the same way you took it out.

Heres a picture of what the old version A/C Climate Control looks like.


and Heres a pictures of what the newer version looks like when installed.


I seen many threads started with people asking how to fix this issue.I hope this helps.Any questions feel free to ask

I also have a extra climate control unit for sale for those who would like to do this DIY. Im willing to let it go for $40 dollars with free shipping...those interested PM me
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Old 08-03-2007, 12:39 AM   #2
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Is that the M3 climate control?
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Old 08-03-2007, 12:53 AM   #3
jbeurotech
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Just buying a new unit is no gaurentee it depends on if it was progamed like that before it was removed from the car.
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Old 08-03-2007, 01:11 AM   #4
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Why is the old style one so much thicker than the newer style?
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Old 08-03-2007, 07:49 AM   #5
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What an effort!, Pull your radio out and grab the Climate control like its life itself and give it a good ole yank and it pops right out thats for free.
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Old 08-03-2007, 09:15 AM   #6
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this is *much* easier than just pushing the button to turn it off... :-)
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Old 08-03-2007, 09:36 AM   #7
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beside the different location of the buttons, what is the main difference between the old and new climinate control module?
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Old 08-03-2007, 11:51 AM   #8
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Quote:
Originally Posted by paraklas View Post
Is that the M3 climate control?
This version of climate control comes in almost all E46 models including the M3.....except the CSL M3 which has a climate control with knobs instead of digital buttons.

Quote:
Originally Posted by jbeurotech View Post
Just buying a new unit is no gaurentee it depends on if it was progamed like that before it was removed from the car.
This model will guarantee that it will work since all E46 with this version of climate control have been programmed from factory already.

Quote:
Originally Posted by TX View Post
Why is the old style one so much thicker than the newer style?
Dont know....Updated version maybe uses smaller chips...as technology advances chips get smaller...just guessing here

Quote:
Originally Posted by systemx View Post
What an effort!, Pull your radio out and grab the Climate control like its life itself and give it a good ole yank and it pops right out thats for free.
Isnt these the same steps to remove the radio?I never removed it before but I heard you cant take out the radio without taking the climate control off first...I might be wrong

Quote:
Originally Posted by sstainba View Post
this is *much* easier than just pushing the button to turn it off... :-)
...it might be easier to just push the button...but after having your car for over a year it gets frustrating.Most of the times you forget and then realize its on when you already 30 minutes into your drive and its 100 degrees outside and you have the heater on low...worse feeling ever

Quote:
Originally Posted by Deep Blue View Post
beside the different location of the buttons, what is the main difference between the old and new climinate control module?
Besides the buttons being in different locations its smaller in size as mentioned above and its programmed not to come on automatically when you turn on your car..thats all...other then that they are identical
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Old 08-03-2007, 12:14 PM   #9
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all pms replied!!
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Old 08-03-2007, 03:22 PM   #10
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No need to remove the lower frame assembly. It is a lot easier to simply pry the HVAC controls (be careful not to damage the finish), or remove the radio to push it from behind.
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Old 09-03-2007, 10:50 AM   #11
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ac to auto climate control? is ti possible?

hello i am prety new here, actually its my first post!
i bought an e46 e week ago and i have already put the DIY aux line in.
while opening the dash i noticed that wirings on manual a/c panel are the same with tha auto climate control in this post.
does this mean that if i buy an auto climate control panel i could instal it and work?
did someone try that before?
Thanks!
Angel.
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Old 09-03-2007, 10:55 AM   #12
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Yes it will fit....



Quote:
Originally Posted by bmwdakias View Post
hello i am prety new here, actually its my first post!
i bought an e46 e week ago and i have already put the DIY aux line in.
while opening the dash i noticed that wirings on manual a/c panel are the same with tha auto climate control in this post.
does this mean that if i buy an auto climate control panel i could instal it and work?
did someone try that before?
Thanks!
Angel.
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Old 09-05-2007, 03:21 PM   #13
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I am so gonna try this. Thanks for the DIY. I love this freakin' site...
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Old 09-06-2007, 01:03 PM   #14
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Let us know how it goes...


Quote:
Originally Posted by Sekurit View Post
I am so gonna try this. Thanks for the DIY. I love this freakin' site...
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Old 10-21-2007, 04:34 PM   #15
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Quote:
Originally Posted by bmwdakias View Post
hello i am prety new here, actually its my first post!
i bought an e46 e week ago and i have already put the DIY aux line in.
while opening the dash i noticed that wirings on manual a/c panel are the same with tha auto climate control in this post.
does this mean that if i buy an auto climate control panel i could instal it and work?
did someone try that before?
Thanks!
Angel.


Did you ever try this to see if it will work, can anyone else confirm that it's "plug and play?"
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Old 10-22-2007, 11:36 AM   #16
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Quote:
Originally Posted by Custom3 View Post
...it might be easier to just push the button...but after having your car for over a year it gets frustrating.Most of the times you forget and then realize its on when you already 30 minutes into your drive and its 100 degrees outside and you have the heater on low...worse feeling ever


This is sooooo true. I hate when that happens. Great info btw. Just added this to my diy list!
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Old 10-22-2007, 01:57 PM   #17
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nice!

but i can't justify buying a new one because of it turning on. lol. since it goes on low it is fine to circulate the ambient air. lol.
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Old 10-22-2007, 06:07 PM   #18
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^ nice picture...
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Old 10-22-2007, 10:17 PM   #19
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you still have a spare set?
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Old 10-22-2007, 11:10 PM   #20
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Mine dosen't turn on with the car. How can I get it to turn on? Unless I turn the car off with it left on it doesn't come on until I press the button.
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