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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 08-05-2010, 08:05 PM   #1
snowcatxx87
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DIY: Coupe Rear Windows One Touch Close

Alright, so I have solved the coupe vent's not being one touch close from the factory.

There are 2 parts.

1) Coding your general module
2) Modifying your exsiting switches


1) CODING

You will need someone/indy to code your car to allow one touch close on your rear vents. This is under car key memory, and needs to be set to active.

2) SWITCH MODIFICATION

You will need to take apart your swtiches, that's right, you do not need sedan switches!

I figured this out when I compared a set of sedan switches and coupe switches.

Basically, the up and down movement of the switch translates into forward and backward movement. I'll explain later.

Open up the switches, there are these tabs on either side:




Once inside, it'll look like this:



You see what I have highlighted in green? This part here moves in the direction of the green arrow.

Look at the casing. The REAR buttons have this:



Two pieces of vertical plastic molded stopping the SECOND click UP on your rear switches.

Take a dremel and grind it down.

It will look like this:




Put everything back together, and voila.

One touch close rear vents.

3) VIDEOS

This video shows the two notches both up and down, with a closing of rear vent:




This video shows the vent being closed without holding the switch:





-snowcat
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Old 08-05-2010, 08:29 PM   #2
intelone
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Sweet. I only open the rear vents on accident when thinking it was my front window switch. Thanks to this DIY, I don't have to hold on the button to close them. Thanks a bunch. Great writeup.
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Old 08-05-2010, 09:40 PM   #3
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hell yeah. I was wondering why they did that when the windows are one touch. I assume the coding is done at the dealer? And I have never heard the term "indy". Is that just another term for a performance shop?
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Old 08-05-2010, 09:40 PM   #4
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Great write up!
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Old 08-05-2010, 09:47 PM   #5
Str86ix
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Yea where would u go for coding? I assume the dealer? I hate holding that damn button up wen everything else is one touch
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Old 08-05-2010, 09:53 PM   #6
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wow, what a cool diy... thanks a bunch
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Old 08-05-2010, 11:46 PM   #7
TerraPhantm
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Just so everyone knows, the flags that need to be set can't be done by the dealer. A shop with an autologic tool (or similar) can do it.

Last edited by TerraPhantm; 08-05-2010 at 11:58 PM.
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Old 08-11-2010, 01:10 AM   #8
kuksul08
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Quote:
Originally Posted by TRBOVNM View Post
hell yeah. I was wondering why they did that when the windows are one touch. I assume the coding is done at the dealer? And I have never heard the term "indy". Is that just another term for a performance shop?
indy=independent
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Old 08-11-2010, 10:06 AM   #9
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^Thanks for the info. I have my trim out for carbon fiber wrap, so I plan to modify the switches while it is apart. then try to get it coded in the next few weeks.
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Old 08-11-2010, 10:08 PM   #10
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Quote:
Originally Posted by intelone View Post
Sweet. I only open the rear vents on accident when thinking it was my front window switch.
This applies for me as well

Quote:
Originally Posted by intelone View Post
Thanks to this DIY, I don't have to hold on the button to close them. Thanks a bunch. Great writeup.
As does this
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Old 08-11-2010, 11:50 PM   #11
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Quote:
Originally Posted by TerraPhantm View Post
Just so everyone knows, the flags that need to be set can't be done by the dealer. A shop with an autologic tool (or similar) can do it.
So what you are saying is that anyone with a gt1 can't do this?
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Old 09-03-2010, 08:42 PM   #12
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Originally Posted by SL Blak Soldier View Post
So what you are saying is that anyone with a gt1 can't do this?
Thats correct...it cant be done in GT1...

if anyone is near me i can do it for them
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Old 09-04-2010, 10:48 AM   #13
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Nice work
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Old 10-07-2010, 08:03 AM   #14
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easy mod, Thanks
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Old 10-07-2010, 01:19 PM   #15
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really wish I had someone closer to do the coding.
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Old 10-07-2010, 01:30 PM   #16
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Respect!
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Old 10-08-2010, 02:39 AM   #17
ZZen330
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Hmm, I want to do this. I actually like to open he rear vent windows often, but I hate holding the switch when closing them!

Anyone know where to code this in BC?
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Old 10-10-2010, 10:59 PM   #18
Minnetonka
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Any body know of someone in NorCal that can do this?
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Old 02-10-2011, 02:54 PM   #19
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Anyone live in Houston that can help with the programming part?
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Old 02-11-2011, 05:06 AM   #20
ikiy
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i have 320cd 2004
can i do this too or have need to code them ?

if it works to me i can begin in max 1 hour
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