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2019+ BMW 3 AND 4-SERIES FORUMS (G2x Generation) General G20 Sedan / G22 Coupe / G26 Gran Coupe Discussions 21 M340x odd cold behavior

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      02-17-2021, 10:23 AM   #1
jlukens1
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21 M340x odd cold behavior

Noticed a couple times now here in chilly Wisconsin where the M340 right headlight and taillight have mysteriously been on while just sitting locked in the garage. Anyone else experienced this? Thanks.
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      02-17-2021, 10:34 AM   #2
PortimaoM340NYC
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Originally Posted by jlukens1 View Post
Noticed a couple times now here in chilly Wisconsin where the M340 right headlight and taillight have mysteriously been on while just sitting locked in the garage. Anyone else experienced this? Thanks.
you probably have the parking light on for the passenger side there are 2 parking buttons by the headlight switch control. its a visibility safety thing when u park the car so on coming traffic can see it depending which side is on
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      02-17-2021, 10:39 AM   #3
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Quote:
Originally Posted by jlukens1 View Post
Noticed a couple times now here in chilly Wisconsin where the M340 right headlight and taillight have mysteriously been on while just sitting locked in the garage. Anyone else experienced this? Thanks.
Looks like it's only the lights on the right side that are on? If so, it's probably because the indicator stalk is on and signaling to the right (stalk in up position).

Edit - I'm probably wrong and @PortimaoM340NYC is right. Idk how I missed his reply.
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      02-17-2021, 07:05 PM   #4
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Quote:
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Quote:
Originally Posted by jlukens1 View Post
Noticed a couple times now here in chilly Wisconsin where the M340 right headlight and taillight have mysteriously been on while just sitting locked in the garage. Anyone else experienced this? Thanks.
Looks like it's only the lights on the right side that are on? If so, it's probably because the indicator stalk is on and signaling to the right (stalk in up position).

Edit - I'm probably wrong and @PortimaoM340NYC is right. Idk how I missed his reply.
Yeah it's weird. As soon as I start the car, warm it up and shut it off, it goes away. It's not the stalk, that's not engaged. I'm chalking it up to some electrical gremlin and the unusually cold weather. Will keep an eye on it though because it probably will drain the battery if not noticed. Thanks.
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      02-17-2021, 07:27 PM   #5
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Quote:
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Quote:
Originally Posted by jlukens1 View Post
Noticed a couple times now here in chilly Wisconsin where the M340 right headlight and taillight have mysteriously been on while just sitting locked in the garage. Anyone else experienced this? Thanks.
you probably have the parking light on for the passenger side there are 2 parking buttons by the headlight switch control. its a visibility safety thing when u park the car so on coming traffic can see it depending which side is on
+1 on checking this first
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