02-27-2019, 02:00 PM | #1 |
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AC not going over 84 degrees
Might be a noob question but my AC temperature or climate control doesn't go any higher than 84 degrees. Now is this normal or there is something wrong with my AC? A/C still blows hot air but i'm not sure why it stops at 84 degrees. Need help please
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02-27-2019, 02:01 PM | #2 |
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All modern BMW's cap out at 84.
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02-27-2019, 05:04 PM | #4 |
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Just curious how you figured out it wouldn't go over 84 degrees, especially since I see you're in FL. Did y'all have a serious cold snap down there we didn't hear about? I'd guess most FL folks would be more concerned about the bottom end of the thermostat scale.
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02-27-2019, 05:16 PM | #5 |
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Why would you ever want it to go above 84? Are you a reptile?
Maybe you should carry one of these in your car |
02-27-2019, 05:28 PM | #6 |
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02-27-2019, 06:17 PM | #8 |
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02-28-2019, 08:03 AM | #9 | |
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I could be wrong but I recall the 84 max has been this way since the late 90's when I started driving BMW's |
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02-28-2019, 10:15 AM | #11 |
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Was just a curious question because my pops have a honda van that goes higher than 90 degrees. And I'm not lying when it does get below 20 degrees here in Florida.
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02-28-2019, 01:16 PM | #12 |
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This thread is madness. What does OP's observation that it occasionally dips below 20 F in some unknown parts of FL have to do with OP's bizarre desire to set the AC above 84? For that matter, how low can you set the system? This makes the Michael Cohen hearing yesterday seem normal.
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02-28-2019, 02:29 PM | #13 |
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This thread reminds me of how often I've tried to explain the concept of a thermostat to my wife. Setting the heat to 90 when it's below 72 and you actually want 72, doesn't get it to 72 any faster!
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02-28-2019, 02:49 PM | #14 |
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I know. My wife and my son do the same thing. I think it's mostly placebo and the need for instantaneous effect. That said, I have noticed if the ambient isn't to far off the desired temp, setting it to an extreme in the proper direction will make the fan kick in more and thus raise or lower the temp a bit faster than simply setting it to the desired temp, or so it seems.
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02-28-2019, 07:15 PM | #15 | |
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Yep. Been there.
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03-01-2019, 03:22 PM | #16 |
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I think for over 84 you want the HEATER. AC is the cold one (you know, the lower numbers). Damn - now my OCD-ness has me wondering how low a temp you can put into the AC. Guess I gotta knock off early and go see... it is 23 degrees here, so I hope they didn't skimp.
update - it (only) goes down to 60, and if you set one side at 60 and one at 84, the temp coming out of my upper vents is noticeably different by side, so at least the individualized bit works. Last edited by Maynard; 03-04-2019 at 03:30 PM.. Reason: newinfo |
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03-03-2019, 10:24 PM | #17 |
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Not sure why everyone is giving OP a hard time. Maybe think a bit more before you post. Both my Volvo XC70 and my wife's Honda Pilot can be turned up past 84 degrees until the temp readout says "Hi" as in "High." Surely, this tells the system you need more heat or as much as possible in severe cold conditions, forcing it provide more heat in a shorter period of time so you can warm up more quickly.
Are you guys really saying if ambient is 32 degrees or 62 degrees and you set it to 74 degrees, it's going to blow air that is the same temperature regardless of the initial ambient temp? No way. If the system was engineered properly, the larger the delta between ambient and set temperature, the hotter the air coming out should be. In other words, if you are freezing your ass off and it's 10 degrees outside, you want the system to provide the hottest air it can produce. Not 84 degrees or some other arbitrary number, unless, of course, 84 degrees is actually the hottest air the system can produce, but I find that hard to believe. I never noticed this because I don't drive the bimmer when it's cold out, but I do find it odd now that OP has brought it to my attention.
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03-03-2019, 10:41 PM | #18 |
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To add on to my post above...
I suppose the system can still be programmed to blow air hotter than 84 degrees and could still be engineered properly to take into account the temperature delta, but maybe 84 degrees is the limit at which the system will then back off as to not allow the actual ambient temp inside the vehicle to surpass 84 degrees. This would get the job done all the same, but just doesn't seem very intuitive or fun when you are in sub-zero ambient and it feels like you are waiting forever to heat up while the temp setting readout is saying "only" 84 degrees. Assuming it still blows air hotter than 84 degrees and works as I described above, then I'd just consider it one of those German car quirks that simply has to be ignored.
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03-04-2019, 10:23 AM | #19 | |
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03-04-2019, 11:11 AM | #20 |
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My parents like 90F room temperature.
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03-04-2019, 01:14 PM | #21 |
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My old e46 range was from 59 to 91 if I remember right...
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03-06-2019, 04:26 PM | #22 | |
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Temperature setting in HVAC control is just a target 'interior' temperature, not the vent air temperature. BTW, 84F setting (or whatever the highest setting) means it will put out Max heat. Same for 60F setting, it will put out Max cold. For those Max hot/cold settings, there is no control. HVAC just put out maximum heat or cool that system can provide. Any settings in between, Auto HVAC will control the system to get to the target temperature. |
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