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2019+ BMW 3 AND 4-SERIES FORUMS (G2x Generation) General G20 Sedan / G22 Coupe / G26 Gran Coupe Discussions Rear defroster

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      12-02-2020, 08:37 AM   #1
simplyme168
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Hi there, I have a 2021 M340 G20 and I noticed that when I turned on the rear defroster, only the 2/3 of the rear windshield get hot. The upper area where the brake lights are stays cold and a little portion going down.
Is this normal ? Since it does not obstruct visibility. Thanks
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      12-02-2020, 12:18 PM   #2
Amos91
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Mine seems to perform similarly.
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      12-02-2020, 11:08 PM   #3
MBM340
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Quote:
Originally Posted by simplyme168 View Post
Hi there, I have a 2021 M340 G20 and I noticed that when I turned on the rear defroster, only the 2/3 of the rear windshield get hot. The upper area where the brake lights are stays cold and a little portion going down.
Is this normal ? Since it does not obstruct visibility. Thanks
I just got my 2021 today, but since I park it in my garage it may be a while until I can properly use it to tell you if I have the same issue but when I do I will let you know.
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      12-03-2020, 02:04 PM   #4
finn1969
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My 330 seems to take longer to clear the window and the steering wheel isn't as hot as previous BMWs I have owned. My wife's 2016 E89 get nice and toasty. Maybe all the electronics on the G20 sapps power from those devices. IDK.
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