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      04-17-2018, 06:36 PM   #177
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I have to say the glass on the BMWs are way weaker than what i've what ive had in other cars in terms of negating heat. Im not in extreme in LA but when I have been in my current 4 series the sun coming through has been a lot more intense than what i've found in other cars. I think that's just a big a problem as the AC... which i will say is also weaker than what i have found from other manufacturers.

I have also found more engine and electronic heat permeate the cabin in the BMWs of recent than other brands, so there are like heat zones near the nav and what I assume coming from the engine. I used to be able to run my other cars without any sort of AC on but with the BMW if i don't it will fog up.
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      04-25-2018, 10:40 PM   #178
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Quote:
Originally Posted by Dcinlv View Post
I decided that I'd try and get a jump on the inevitable Vegas heat. I reached out to my Service writer and Service manager in hopes of them having received word from Munich with a solution. My primary complaint was extremely low flow from the entire right side of the center stack and the need to endlessly experiment with the HVAC settings.
I'm pleased to report that after a software update and removal of some "excessive foam" from the right supply plenum the A/C is flowing like my 2017 X5 and the 15 previous 7 series I've owned. Very happy to hit summer head on with greater than 50% of cabin airflow restored.
Was there a service bulletin to instruct your dealer to remove the "excessive foam"? If so I will check with my dealer again.
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      04-26-2018, 12:43 AM   #179
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Hi. Here’s the portion of my service documents that clearly outline the work performed. I’m not entirely certain if the numbers associated with the fix are service bulletin numbers. I suspect your dealer will be able sort it out with a look at the attached. I hope this helps. It’s 90° here in Vegas now and I can tell you that the work performed absolutely resolved the problem. Good luck.
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Last edited by Dcinlv; 04-26-2018 at 12:51 AM.. Reason: Fix url
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      04-27-2018, 12:46 AM   #180
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Quote:
Originally Posted by Dcinlv View Post
Hi. Here’s the portion of my service documents that clearly outline the work performed. I’m not entirely certain if the numbers associated with the fix are service bulletin numbers. I suspect your dealer will be able sort it out with a look at the attached. I hope this helps. It’s 90° here in Vegas now and I can tell you that the work performed absolutely resolved the problem. Good luck.
Always great to hear resolutions and thanks for such detail. Hopefully someone finds this if they encounter the same issues.
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      04-27-2018, 12:52 AM   #181
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Happy to help.
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      06-01-2018, 10:08 AM   #182
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Dont suppose any of you guys have had issue with climate control panel being totally dead. No illumination or anything on panel. Everything else on car seems ok.

First thought was fuse ?
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      06-06-2018, 02:17 PM   #183
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What I have is not exactly an AC issue, but it might be related:
Fogging.
Front side windows, and sides of the front windscreen get fogged whenever there is a cold rain or something. And I have to turn on windshield max defrost button to max every 10 minutes or so. In auto mode, I feel like nothing comes out of the air vents located in the corners, thus windscreen gets fogged again. I took it once to the shop, they replaced the condensation sensor, didn't help... It's frustrating!
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      06-06-2018, 02:43 PM   #184
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Quote:
Originally Posted by allington73 View Post
Dont suppose any of you guys have had issue with climate control panel being totally dead. No illumination or anything on panel. Everything else on car seems ok.

First thought was fuse ?
That doesn't sound good.
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      06-07-2018, 04:38 AM   #185
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Quote:
Originally Posted by Cortexiphan View Post
What I have is not exactly an AC issue, but it might be related:
Fogging.
Front side windows, and sides of the front windscreen get fogged whenever there is a cold rain or something. And I have to turn on windshield max defrost button to max every 10 minutes or so. In auto mode, I feel like nothing comes out of the air vents located in the corners, thus windscreen gets fogged again. I took it once to the shop, they replaced the condensation sensor, didn't help... It's frustrating!
What setting do you have the fans on?

It took me a while to realise that - compared to all the previous/older BMWs I have had - 'auto' is not simply 'auto' on the G30... there are five 'fan strength' settings even when in auto mode.

Make sure it is at least in the middle or higher.
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      06-07-2018, 05:47 AM   #186
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Yeh think of the fan speed setting as the maximum fan speed it can potentially choose.
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      06-07-2018, 05:56 AM   #187
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90F + degree weather here and very satisfied with the AC performance.
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      06-07-2018, 02:44 PM   #188
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Quote:
Originally Posted by en1gma View Post
What setting do you have the fans on?

It took me a while to realise that - compared to all the previous/older BMWs I have had - 'auto' is not simply 'auto' on the G30... there are five 'fan strength' settings even when in auto mode.

Make sure it is at least in the middle or higher.
Thank you for the advice! Usually it's set up to 1 or 2, so I'll try a higher setting.
Although, My M4 had the same settings, but never had fogging issue.
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      06-09-2018, 12:35 PM   #189
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Just another data point... I just picked up my 2018 540i (March build) and we had a 106 degree day last week. The car sat in a parking lot for a couple hours, and cooled right off after startup, so no complaints here.
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      06-09-2018, 12:49 PM   #190
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Quote:
Originally Posted by en1gma View Post
Quote:
Originally Posted by Cortexiphan View Post
What I have is not exactly an AC issue, but it might be related:
Fogging.
Front side windows, and sides of the front windscreen get fogged whenever there is a cold rain or something. And I have to turn on windshield max defrost button to max every 10 minutes or so. In auto mode, I feel like nothing comes out of the air vents located in the corners, thus windscreen gets fogged again. I took it once to the shop, they replaced the condensation sensor, didn't help... It's frustrating!
What setting do you have the fans on?

It took me a while to realise that - compared to all the previous/older BMWs I have had - 'auto' is not simply 'auto' on the G30... there are five 'fan strength' settings even when in auto mode.

Make sure it is at least in the middle or higher.
Yep, the auto mode was the same on my 2011 E90...
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      06-10-2018, 03:33 AM   #191
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Today was the first day i used the AC, my car was delivered last week. At first the AC was blowing so overly hot and i didnt realize there was extra settings in the idrive/ under the "menu" button It was cranked all the way to the heat side.. so thanks who ever setup my car for nothing. Why would BMW bury this?

I was going to join this bandwagon until i finally figured this out, also reading maybe set it in neutral after reading posts? I was setting it at 60 at full max in only 75 degree weather to feel semi normal before finding that setting. Don't know if anyone may have been in the same situation but that was such a stupid learning curve. Drove like that for 30 minutes before thinking this cant be normal.

The nav definitely causes too much heat... still a dead heat zone in center but from the lack of frequent posts here vs in 2017 I am guessing this has been resolved for a lot of folks or newer cars?

Last edited by TopgearLA; 06-10-2018 at 04:34 AM..
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      06-10-2018, 08:54 AM   #192
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Quote:
Originally Posted by TopgearLA View Post
Today was the first day i used the AC, my car was delivered last week. At first the AC was blowing so overly hot and i didnt realize there was extra settings in the idrive/ under the "menu" button It was cranked all the way to the heat side.. so thanks who ever setup my car for nothing. Why would BMW bury this?

I was going to join this bandwagon until i finally figured this out, also reading maybe set it in neutral after reading posts? I was setting it at 60 at full max in only 75 degree weather to feel semi normal before finding that setting. Don't know if anyone may have been in the same situation but that was such a stupid learning curve. Drove like that for 30 minutes before thinking this cant be normal.

The nav definitely causes too much heat... still a dead heat zone in center but from the lack of frequent posts here vs in 2017 I am guessing this has been resolved for a lot of folks or newer cars?
I have a 2017 Build and never have experienced any of the AC issues in this thread. Cabin cools down very quickly and the air coming out of the vents is ice cold. Current weather is 90F+ and humidity near 100%. Very satisfied.

In this kind of climate you will quickly find out if your AC is up to the task or not.

Yes there are a plethora of settings in the system. Notice that this car doesn't have a physical rotary knob nestled in the middle of the center dash vents as older BMWs do. This knob allows to further fine tune the temperature coming of the air vents to make it cooler or warmer. This function can only be accessed via iDrive in the G30 and presumably most newer BMWs.
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      02-03-2020, 09:31 AM   #193
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Don't know how to set fan speed in auto

Quote:
Originally Posted by en1gma View Post
What setting do you have the fans on?

It took me a while to realise that - compared to all the previous/older BMWs I have had - 'auto' is not simply 'auto' on the G30... there are five 'fan strength' settings even when in auto mode.

Make sure it is at least in the middle or higher.
Where do you check these settings? I found in IDrive where you can adjust the temperature of upper body. I live in Alabama and in the summer I go one dot away from full cold and in the winter I set it at 2 dots below max warm. It really makes a difference. The settings for upper body are "My Vehicle>Vehicle settings>Climate Functions (if you have it)>Temperature Adjustment, Upper Body>Set at desired temp, toward blue colder and toward red warmer. This made a huge difference in my cabin temp. I don't know where to set the fan strength setting in Auto Mode though. By the way I have a US Spec 2019 540i (G30). Just had a thought are you talking about the fan buttons on the face of the temperature control panel? You can control the fan speed that way.
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      02-03-2020, 04:17 PM   #194
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Quote:
Originally Posted by b74heavy View Post
... I don't know where to set the fan strength setting in Auto Mode though. By the way I have a US Spec 2019 540i (G30). Just had a thought are you talking about the fan buttons on the face of the temperature control panel? You can control the fan speed that way.
Simply adjust the intensity level using the fan buttons while in Auto mode. Auto will do the rest, adjusting the airflow demand within the 'range' of the intensity selected.

Out of Auto, the fan buttons adjust the airflow speed manually.
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      02-04-2020, 07:35 AM   #195
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I was very worried when I first read this thread. I got my windows tinted and worried about it a lot (my car is black on black). However, after going through this last hot summer in San Antonio, I no longer have any worries. Adjust the upper body adjustments in iDrive to max cool, adjust the fan intensity to max, and use auto to control the temp. I had absolutely no problems last Summer with the AC. Very robust and capable. No worries!
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      08-28-2020, 01:13 PM   #196
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I find the system adequate (but not nearly as strong as my wife's lexus rx350), however, the annoying thing is I find you need to set the auto temp super low (19-20) to get a comfortable temp. Or when its very hot out set it at max AC.

the system is cold enough to keep the car comfortable, but it seems like its just working very hard to do it if that makes any sense, whereas other cars seem to have more "headroom"

I have also noticed the glass seems to let a lot more heat in than other cars too and my windows are tinted with high heat rejection film 30%. But when the sun is on the driver side window i can literally feel it radiating on me. Which is interesting because this BMW switched from pilkington to another brand of glass (forget the name)
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      08-28-2020, 05:10 PM   #197
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Question... and apologies if this has been asked before, it's a long thread. When in auto mode, why does increasing or decreasing the fan speed not turn off auto mode like on every other car? Is the fan speed fixed?? Should it not be variable in auto mode to get to the desired cabin temp? By default the fan speed is in the middle spot.
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      08-28-2020, 05:17 PM   #198
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Quote:
Originally Posted by malpatti View Post
Question... and apologies if this has been asked before, it's a long thread. When in auto mode, why does increasing or decreasing the fan speed not turn off auto mode like on every other car? Is the fan speed fixed?? Should it not be variable in auto mode to get to the desired cabin temp? By default the fan speed is in the middle spot.
BMW gives you lots of flexibility and it is on full display with the Climate Control options. The fan speed in AUTO is a ceiling adjustment. Meaning you're saying the maximum fan speed you're interested in while on AUTO not the fan speed at the moment. So the fan speed is variable in AUTO up to the maximum set.
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