Dealership says AC has "known design problem"

kingofqueenz788 · 09-17-2018, 08:15 PM

Order it from ecs it's cheaper

Dr._Who · 09-17-2018, 09:15 PM

Hey,

Quote:

Originally Posted by kingofqueenz788

Order it from ecs it's cheaper

O.E. parts will always be cheaper here...

* https://www.getbmwparts.com/oem-part...00-64119350495

Just my (literally) $0.02!!

Cheers!

Nycm3 · 09-18-2018, 09:31 AM

I have experienced this issue once on a long drive in my 2016 f80. It's annoying and I will have it fixed... only happened once though and hasn't happened again since.

N1rve · 06-06-2019, 09:00 PM

On my 2019 BMW M4, I've noticed on two occasions that the "A/C" button turns off on it's own. It's a toasty 81 degrees outside and I have the car set to Auto 68 degrees. I know the car will engage the compressor on/off as needed in Auto. But I only noticed it when the air started to become warm and my first reaction was "crap, do I have an AC leak?" until I look at my AC button and it's off. I push it and it turns back on.

Has anyone else experienced this? Is this considered "Normal Behavior" for the Auto Climate function? No fault codes when this happens.

RustySeatbelt · 06-06-2019, 10:34 PM

Definitely not normal. My car stays in auto all the time and I've never had this happen. Might be a faulty switch?

N1rve · 06-07-2019, 09:59 AM

Quote:

Originally Posted by RustySeatbelt

Definitely not normal. My car stays in auto all the time and I've never had this happen. Might be a faulty switch?

How would I test that?

uniqueMR · 06-07-2019, 10:44 AM

Stop by BMW dealer and have it checked out. Not normal operation.

JillGa · 06-19-2019, 10:03 AM

I have a 2016 328i and found out the hard way on a long trip Saturday. This is the info on my dealership docs this morning: Technician connected vehicle charger, ran short test and found faults for A/C system. Technician found SIB 640613 instructing to code vehicle with conversion to raise minimum evaporator temp. Tech connected vehicle to charger, ran short test and coded vehicle with conversion to raise evaporator minimum temp. Test drove vehicle, ok at this time.

So, still new to this and this is my first service issue (37,890K miles) - should they have changed a part or am I going to regret this computer fix in 24 mos?

IK6SPEED · 06-19-2019, 10:24 AM

Quote:

Originally Posted by kingofqueenz788

Cost5$ more at Bmw then ecs

Quote:

Originally Posted by Dr._Who

Hey,

Quote:

Originally Posted by kingofqueenz788

Order it from ecs it's cheaper

O.E. parts will always be cheaper here...

* https://www.getbmwparts.com/oem-part...00-64119350495

Just my (literally) $0.02!!

Cheers!

Shipping a low dollar item from any online seller will cost you more than buying at Dealer. Only economical way is if it's added to larger order.

Beemerm3 · 08-02-2019, 02:39 AM

My car did that . I still don't know what happened

RoundelM3 · 08-02-2019, 07:31 AM

"Toasty" 81 degrees? Obviously you've never been to Texas or the southern East coast in summertime.

None of the 8 BMWs my wife and I have owned exhibited this problem - when in "Auto", the green light on the AC button stays lit and we've never had any issues with it turning off by itself. Definitely not normal operation.

dallastide · 08-02-2019, 09:13 AM

There is a known issue involving a poorly located AC sensor. Sounds like you may be in that boat.

https://f80.bimmerpost.com/forums/sh....php?t=1402100

Jim B · 08-02-2019, 10:54 AM

Quote:

Originally Posted by N1rve

On my 2019 BMW M4, I've noticed on two occasions that the "A/C" button turns off on it's own. It's a toasty 81 degrees outside and I have the car set to Auto 68 degrees. I know the car will engage the compressor on/off as needed in Auto. But I only noticed it when the air started to become warm and my first reaction was "crap, do I have an AC leak?" until I look at my AC button and it's off. I push it and it turns back on.

Has anyone else experienced this? Is this considered "Normal Behavior" for the Auto Climate function? No fault codes when this happens.

81F "toasty"? I've been in Sacramento and Concord when it was 114. Now THAT'S toasty. You should go to Needles or Blythe in July or August, then you'll find out what "toasty" is.

N1rve · 08-02-2019, 11:01 AM

Quote:

Originally Posted by RoundelM3

"Toasty" 81 degrees? Obviously you've never been to Texas or the southern East coast in summertime.

None of the 8 BMWs my wife and I have owned exhibited this problem - when in "Auto", the green light on the AC button stays lit and we've never had any issues with it turning off by itself. Definitely not normal operation.

Quote:

Originally Posted by Jim B

81F "toasty"? I've been in Sacramento and Concord when it was 114. Now THAT'S toasty. You should go to Needles or Blythe in July or August, then you'll find out what "toasty" is.

Anything above 72 is warm for me

Quote:

Originally Posted by dallastide

There is a known issue involving a poorly located AC sensor. Sounds like you may be in that boat.

https://f80.bimmerpost.com/forums/sh....php?t=1402100

I took it to the dealership but they couldn't find anything wrong.

ironviet · 08-02-2019, 06:01 PM

82 is toasty for sure, 95+ is scorching

robbo mcs · 08-03-2019, 04:41 AM

The ECU will cut the Ac compressor if the coolant temperature is getting too high. This can happen even before you get a warning for coolant temperature. Unlikely to be the cause, but just letting you know, so you can exclude that

Poochie · 08-03-2019, 03:34 PM

The HVAC fan speed automatically deceases when you answer a phone call, on vehicle's past the 2016 MY.

Not exactly sure how that affects the AC shutting on/off..

*Sorry about crappy, cropped copy, this was years ago and I lost the original:*

kissemack · 08-06-2019, 06:17 PM

Quote:

Originally Posted by N1rve

On my 2019 BMW M4, I've noticed on two occasions that the "A/C" button turns off on it's own. It's a toasty 81 degrees outside and I have the car set to Auto 68 degrees. I know the car will engage the compressor on/off as needed in Auto. But I only noticed it when the air started to become warm and my first reaction was "crap, do I have an AC leak?" until I look at my AC button and it's off. I push it and it turns back on.

Has anyone else experienced this? Is this considered "Normal Behavior" for the Auto Climate function? No fault codes when this happens.

I have the exact same problem. Has happened 4 times now in 3 weeks. Havent had time to make an appointment yet.

N1rve · 08-06-2019, 09:58 PM

Quote:

Originally Posted by kissemack

I have the exact same problem. Has happened 4 times now in 3 weeks. Havent had time to make an appointment yet.

It's been a few weeks and my car hasn't done it anymore. When I took it to the dealership, they couldn't replicate it.

zohaibkhawaja · 08-06-2019, 10:03 PM

Quote:

Originally Posted by N1rve

Quote:

Originally Posted by kissemack

I have the exact same problem. Has happened 4 times now in 3 weeks. Havent had time to make an appointment yet.

It's been a few weeks and my car hasn't done it anymore. When I took it to the dealership, they couldn't replicate it.

When I had this issue they didn't have to replicate it. There was a service bulletin for the issue so they went ahead and moved the evap sensor to solve the issue.

N1rve · 08-07-2019, 09:12 AM

Quote:

Originally Posted by zohaibkhawaja

When I had this issue they didn't have to replicate it. There was a service bulletin for the issue so they went ahead and moved the evap sensor to solve the issue.

What year is your car?

zohaibkhawaja · 08-07-2019, 10:44 AM

Quote:

Originally Posted by n1rve

Quote:

Originally Posted by zohaibkhawaja

when i had this issue they didn't have to replicate it. There was a service bulletin for the issue so they went ahead and moved the evap sensor to solve the issue.

what year is your car?

2016 f82 m4

09-17-2018, 08:15 PM	#67
kingofqueenz788 Banned 35 Rep 156 Posts Drives: F80 Join Date: Sep 2017 Location: NewYork(queens) iTrader: (0)	Order it from ecs it's cheaper
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09-18-2018, 09:31 AM	#69
Nycm3 New Member 9 Rep 8 Posts Drives: 2016 silverstone m3 Join Date: Aug 2018 Location: Brooklyn, NY iTrader: (0)	I have experienced this issue once on a long drive in my 2016 f80. It's annoying and I will have it fixed... only happened once though and hasn't happened again since.
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06-06-2019, 09:00 PM	#70
N1rve Racecar Driver 1283 Rep 1,949 Posts Drives: BMW M4 Join Date: Mar 2019 Location: Beverly Hills, California iTrader: (2) Garage List 2019 BMW M4 [9.63]	A/C turns off randomly On my 2019 BMW M4, I've noticed on two occasions that the "A/C" button turns off on it's own. It's a toasty 81 degrees outside and I have the car set to Auto 68 degrees. I know the car will engage the compressor on/off as needed in Auto. But I only noticed it when the air started to become warm and my first reaction was "crap, do I have an AC leak?" until I look at my AC button and it's off. I push it and it turns back on. Has anyone else experienced this? Is this considered "Normal Behavior" for the Auto Climate function? No fault codes when this happens.
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06-06-2019, 10:34 PM	#71
RustySeatbelt First Lieutenant 523 Rep 321 Posts Drives: 19 ZR1 Join Date: Dec 2018 Location: Texas iTrader: (0) Garage List 2017 BMW M3 [0.00]	Definitely not normal. My car stays in auto all the time and I've never had this happen. Might be a faulty switch?
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06-07-2019, 10:44 AM	#73
uniqueMR Colonel 1881 Rep 2,923 Posts Drives: ... Join Date: Dec 2017 Location: USA iTrader: (0)	Stop by BMW dealer and have it checked out. Not normal operation. __________________ Currently: '24 Mercedes G63 \| '24 Porsche GT3 RS \| '24 Volkswagen GTI Previous BMWs: 340i, 740i, 745Li, M3, M4 Previous Others: Audi, Ducati, Honda, Infiniti, Land Rover, Mercedes-Benz, MINI, Mitsubishi, Porsche, Toyota, Volkswagen
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06-19-2019, 10:03 AM	#74
JillGa Registered 0 Rep 1 Posts Drives: 2016 328i Join Date: Sep 2016 Location: Chas SC iTrader: (0)	A/C problems are still an issue I have a 2016 328i and found out the hard way on a long trip Saturday. This is the info on my dealership docs this morning: Technician connected vehicle charger, ran short test and found faults for A/C system. Technician found SIB 640613 instructing to code vehicle with conversion to raise minimum evaporator temp. Tech connected vehicle to charger, ran short test and coded vehicle with conversion to raise evaporator minimum temp. Test drove vehicle, ok at this time. So, still new to this and this is my first service issue (37,890K miles) - should they have changed a part or am I going to regret this computer fix in 24 mos?
	Appreciate 0 Quote

08-02-2019, 02:39 AM	#76
Beemerm3 First Lieutenant 59 Rep 345 Posts Drives: 16' BMW m3 Join Date: Jul 2019 Location: Sacramento iTrader: (0)	My car did that . I still don't know what happened
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08-02-2019, 07:31 AM	#77
RoundelM3 Major General 1833 Rep 6,987 Posts Drives: 15 F80 M3, 22 G01 X3 30i Join Date: Apr 2010 Location: Wendell, NC iTrader: (2) Garage List 2022 BMW X3 [9.83] 2015 BMW M3 [6.50]	"Toasty" 81 degrees? Obviously you've never been to Texas or the southern East coast in summertime. None of the 8 BMWs my wife and I have owned exhibited this problem - when in "Auto", the green light on the AC button stays lit and we've never had any issues with it turning off by itself. Definitely not normal operation. __________________ 2015 F80 ///M3 Sedan 7DCT Tanzanite, 2022 X3 sDrive30i 8AT Brooklyn Grey
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08-02-2019, 09:13 AM	#78
dallastide Private First Class 169 Rep 194 Posts Drives: 2015 M4 / 2019 X3 Join Date: Jun 2018 Location: Dallas iTrader: (0)	There is a known issue involving a poorly located AC sensor. Sounds like you may be in that boat. https://f80.bimmerpost.com/forums/sh....php?t=1402100
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08-02-2019, 06:01 PM	#81
ironviet Private 30 Rep 68 Posts Drives: 2017 F80 M3 ZCP Join Date: Apr 2014 Location: Salt Lake City iTrader: (0) Garage List 2018 Jeep Wrangler ... [0.00] 2017 BMW M3 [0.00] 2007 BMW 335i [0.00] 2004 BMW M3 [0.00]	82 is toasty for sure, 95+ is scorching __________________ 2018 Jeep Wrangler Rubicon 2017 F80 M3 2007 E92 335i 2004 E46 M3
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08-03-2019, 04:41 AM	#82
robbo mcs First Lieutenant 143 Rep 320 Posts Drives: F82 M4 and others Join Date: Apr 2014 Location: Sydney iTrader: (0)	The ECU will cut the Ac compressor if the coolant temperature is getting too high. This can happen even before you get a warning for coolant temperature. Unlikely to be the cause, but just letting you know, so you can exclude that
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08-03-2019, 03:34 PM	#83
Poochie Luxury at the redline :) 9103 Rep 7,563 Posts Drives: 2016 M2 Join Date: Aug 2012 Location: NYC iTrader: (3)	The HVAC fan speed automatically deceases when you answer a phone call, on vehicle's past the 2016 MY. Not exactly sure how that affects the AC shutting on/off.. Sorry about crappy, cropped copy, this was years ago and I lost the original: Attached Images
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