N26 P0128

F30.Krystian · 03-14-2020, 06:40 PM

I got the P0128 code after turning my car on after work today. Drove about 10 miles on the freeway, staying above 80 mph. The oil temp went up to operating temp and the HVAC was blowing warm like it should. However, the coolant was still cold. This means my thermostat is stuck open correct? TIA

F30.Krystian · 03-14-2020, 07:37 PM

Cleared the codes and went for a drive again. Seems to be fixed. Any ideas what it could be?

Billfitz · 03-14-2020, 09:39 PM

https://www.google.com/search?client...-b-1-d&q=P0128

sspade · 03-14-2020, 10:01 PM

Take to dealer. Will be repaired for free regardless of mileage.

Very common, same exact thing here... after standard 50k mile warranty expired.

FREE.

F30.Krystian · 03-15-2020, 10:48 AM

Quote:

Originally Posted by sspade

Take to dealer. Will be repaired for free regardless of mileage.

Very common, same exact thing here... after standard 50k mile warranty expired.

FREE.

Quote:

Originally Posted by sspade

Take to dealer. Will be repaired for free regardless of mileage.

Very common, same exact thing here... after standard 50k mile warranty expired.

FREE.

Alright, will do that monday. Thanks

cfm56d7b · 03-15-2020, 10:57 AM

Nothing more to add - take it to the dealer. Please update the thread later with root cause.

03-14-2020, 06:40 PM	#1
F30.Krystian New Member 0 Rep 11 Posts Drives: 2014 328i (N26) Join Date: Jan 2020 Location: Illinois iTrader: (0)	N26 P0128 I got the P0128 code after turning my car on after work today. Drove about 10 miles on the freeway, staying above 80 mph. The oil temp went up to operating temp and the HVAC was blowing warm like it should. However, the coolant was still cold. This means my thermostat is stuck open correct? TIA
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03-14-2020, 07:37 PM	#2
F30.Krystian New Member 0 Rep 11 Posts Drives: 2014 328i (N26) Join Date: Jan 2020 Location: Illinois iTrader: (0)	Cleared the codes and went for a drive again. Seems to be fixed. Any ideas what it could be?
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03-14-2020, 09:39 PM	#3
Billfitz Lieutenant General 8243 Rep 16,079 Posts Drives: '15 328iX GT Join Date: Jan 2015 Location: New Hampshire iTrader: (0)	https://www.google.com/search?client...-b-1-d&q=P0128
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03-14-2020, 10:01 PM	#4
sspade Major General 2465 Rep 5,456 Posts Drives: F30 Join Date: Oct 2017 Location: Stevenson, WA iTrader: (3) Garage List 2016 BMW 320i [7.87] 2014 BMW 328i [6.83]	Take to dealer. Will be repaired for free regardless of mileage. Very common, same exact thing here... after standard 50k mile warranty expired. FREE.
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03-15-2020, 10:57 AM	#6
cfm56d7b Lieutenant General 5886 Rep 10,256 Posts Drives: 2017 440i Gran Coupe & 2015 X5 Join Date: Nov 2012 Location: Orange County, CA iTrader: (2)	Nothing more to add - take it to the dealer. Please update the thread later with root cause.
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