02-19-2015, 12:15 PM | #1 |
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New Owner and A/C Question
Picked my nearly new pre LCI 30d up last Saturday and am really loving the whole experience so far. I've got to grips with most things but am a little concerned about my A/C.
Its fine when its cold as nice and warm when set on auto and left at 22c. But on tuesday when we had a warmer day in the UK I was trying to get it cooler. Normally if I turn climate control down (or even up) 2-3 degrees I would expect it to blow a little harder to get to the required temp. This didn't seem to be the case until I went down to 16.0c and then it was fine. Turn it up to just 16.5c and it immediately stops blowing like it thinks its at the correct temp when to me it still feels warm. I will try it out again at the weekend but does it sound like something is wrong thermostat wise? Also I assume when left on auto the fan speed indicator only stays on the bottom light (far left) - I was expecting it to rise and fall with the speed of the fans? Thanks Simon
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02-19-2015, 01:34 PM | #2 | |
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When the system is in auto mode, there are 5 level of fan speeds, should be 5 bars there. It lets you customize how fast you want the system to cool down or heat up the car. Each level has a range of fan speed, I usually leave it on the mid level. If you are in the manual mode, there are 9 level of fan speed, the display will change to 9 bars. In manual mode, the fan speed will not vary when the set temp is reach. |
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02-20-2015, 07:07 AM | #3 | |
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Will try it out when we have another warm day. Might be a while
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Last edited by P1Fanatic; 02-20-2015 at 07:08 AM.. Reason: Typo |
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02-20-2015, 07:50 AM | #4 | |
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Drives: 2022 X4M40i, retired ‘11 X3
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02-20-2015, 08:03 AM | #5 | |
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02-20-2015, 09:16 AM | #6 |
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That little selector dial seems to confuse lots of people. I was in for service last summer and as I waited for my X3 the Service Advisor was explaining to a person nearby the reason his A/C was not as cool as it should be was he had the temp selector dialed all the way towards hot. Man he looked very embarrassed, the SA continued to explain lots of customers stop in with the same problem.
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02-20-2015, 11:48 AM | #7 |
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I had the same understanding problem when i got my delivery. I didn't expect it to so dramatically change the temperature of the blowing air even when the AC setting didn't change. But then I learnt.
My real problem is the side vents don't blow air as hard as the center vents. Sometimes when the sun is in my face I see that the center vents do a good job of keeping the temperature okay but the side vent could have done better. The SA told that's what it is and no way to change it. My VIN shows hot climate version. Don't know what it means. Certainly not helping. |
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02-20-2015, 12:02 PM | #8 |
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Definitely a lot of confusion with climate control systems. Most is covered in the user manuals.
The intensity setting in auto mode is the first 'mystery', the user ability to control the fan speed range (air flow comfort level). Then the face vent blender, for fine tuning to user preference. Also worth noting the minimum & maximum temperature settings, where the system goes unregulated, trying to cool or heat the car. For example 16.5C is regulated, so will stabilise at that temperature, whereas 16C will keep cooling, similar to the MAX function. HighlandPete |
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02-20-2015, 12:55 PM | #9 | |
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02-20-2015, 01:23 PM | #10 |
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Thanks all for the input. Never had a car with climate control that requires manual tweaking in this way. Likewise with auto I would normally expect it to regulate fan speed to reach the temp set as quickly as possible.
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02-20-2015, 02:17 PM | #11 | |
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The design intent is to heat as fast as is possible, in a comfortable way. What we have is the option for intensity settings, again to give added comfort. The auto function still allows the airflow to fluctuate as is necessary, but constrains the limits, according to how we set the intensity. I personally run my airflows at the lowest intensity level, but others opt for higher flow rates, just make your choice. Air flow intensity used to be set in iDrive. BMW have now brought it forward to the control panel, making it easier to adjust we if want to do so. HighlandPete |
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