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F10 / F11 (2011 - Current)
The new chapter in the highly successful story of the BMW 5 Series Sedan (F10) and wagon (F11)

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  #1  
Old 07-16-2013, 07:54 AM
dbs600 dbs600 is offline
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Colder / Cooler Ventilated Seat Programing by Dealer?

Iíve read thereís a way to program our ventilated seats so they get colder / cooler, but is there anything in particular I can tell my dealer so they can perform same while the car is hooked up to their diagnostic equipment (specific location / name of the computer values that can be modified)? My car is at the dealer now and Iíd like them to take care of this, if possible, as my ventilated seats are barely noticeable when on. Iím thinking something similar to how they can program auto start-stop to be set to off, as default. Thanks!
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  #2  
Old 07-16-2013, 08:24 AM
grandpawmoses grandpawmoses is offline
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My wife's Avalon has actual cooled/heated seats but on my 535, I believe that it's merely ventilated/heated.
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  #3  
Old 07-16-2013, 08:40 AM
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cordoor cordoor is offline
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I don't think this is possible, but I could be wrong. The source of the air for the ventilated seats is a duct opening below the seat, so whatever the temperature of the air is down there is what you get. It helps a bit to crank the A/C into the floor, but for the most part, the ventilated seat solution in the bimmer is just not a good one for summer (I love the ventilated seats in fall, winter, and spring, but in summer, the air is just too warm).
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Old 07-16-2013, 05:16 PM
dbs600 dbs600 is offline
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Quote:
Originally Posted by cordoor View Post
I don't think this is possible, but I could be wrong. The source of the air for the ventilated seats is a duct opening below the seat, so whatever the temperature of the air is down there is what you get. It helps a bit to crank the A/C into the floor, but for the most part, the ventilated seat solution in the bimmer is just not a good one for summer (I love the ventilated seats in fall, winter, and spring, but in summer, the air is just too warm).
I believe it's possible, as the seats are set to not get cooler than what the HVAC system is set to...
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Old 07-16-2013, 10:54 PM
dbs600 dbs600 is offline
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http://www.bimmerfest.com/forums/sho...d.php?t=682664
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  #6  
Old 07-17-2013, 07:15 AM
M550d M550d is offline
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A** too warm

I also don't really feel much of a benefit when the ventilation is on, in my F11; i mean sure enough the seat is a bit cooler, but it's not very dramatic at all.

My other issue is that the passenger seat's fan is really quite noisy compared to the driver's seat. Next time I'm in to the dealer I'll go have them look at it. On a new car, this ought to not be the case.

Back to the temperature thing, sounds like I need to fashion myself a coding cable, unless anyone near Zuerich happens to read this?
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Old 07-17-2013, 02:43 PM
jjsC6 jjsC6 is offline
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Quote:
Originally Posted by dbs600 View Post
I just read that link. I'm very curious how the works for the ventilated temperature. If all they are is fans pulling in air from under the seat, then what do the codes do?
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  #8  
Old 07-17-2013, 04:47 PM
jjrandorin jjrandorin is offline
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dealers do not perform any after market coding, so there is nothing you can ask your dealer to do this for you. You would have to contact an after market coder to do it for you.
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  #9  
Old 07-17-2013, 08:59 PM
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cordoor cordoor is offline
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Colder / Cooler Ventilated Seat Programing by Dealer?

Quote:
Originally Posted by jjsC6 View Post
I just read that link. I'm very curious how the works for the ventilated temperature. If all they are is fans pulling in air from under the seat, then what do the codes do?
Agreed. I thought the air was pulled from the ambient air under the seat, not the a/c duct, which would mean those codes are useless. And in fact those who tried adjusting those codes and reported their results in that thread indicate it made zero difference.

I would definitely be interested in trying something if it would actually possibly maybe work but so far I'm not convinced anything can actually be done (I would have to be wrong on the source of the air).


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  #10  
Old 07-17-2013, 09:47 PM
dbs600 dbs600 is offline
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Quote:
Originally Posted by cordoor View Post
Agreed. I thought the air was pulled from the ambient air under the seat, not the a/c duct, which would mean those codes are useless. And in fact those who tried adjusting those codes and reported their results in that thread indicate it made zero difference.

I would definitely be interested in trying something if it would actually possibly maybe work but so far I'm not convinced anything can actually be done (I would have to be wrong on the source of the air).
Strange; so what are the codes for then? What exactly is being altered?
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  #11  
Old 07-18-2013, 04:06 AM
grandpawmoses grandpawmoses is offline
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Quote:
Originally Posted by dbs600 View Post
Strange; so what are the codes for then? What exactly is being altered?
If the codes do exist, my guess is that one day BMW will use a thermoelectric heater/cooler unit in their seats like Toyota. When they do the software will already be in place.
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  #12  
Old 07-18-2013, 05:18 AM
dbs600 dbs600 is offline
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Originally Posted by grandpawmoses View Post
If the codes do exist, my guess is that one day BMW will use a thermoelectric heater/cooler unit in their seats like Toyota. When they do the software will already be in place.
Ha; wow; crazy!
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