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      09-28-2014, 07:36 PM   #1
ZXAF30
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I'm currently driving an Australian-model F30 328i 2013, if it makes any difference, and am finding that when I enter a tunnel the lights are very responsive and flick on within seconds. However, once I exit the tunnel to bright mid-day sunlight, it takes about 2-3 minutes before the lights turn off. I haven't bothered with it for a year as it as been like this since day one. It's starting to itch my insecurities when passing drivers give me the your-lights-are-on-moron look.

All other cars I've owned previously (not bmw's) have been responsive with both on and off in auto-mode.

The next step is to take it to my local BMW dealership but would appreciate avoiding the travel if it's just me missing some crucial setting?
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      09-28-2014, 07:45 PM   #2
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Quote:
Originally Posted by ZXAF30 View Post
I'm currently driving an Australian-model F30 328i 2013, if it makes any difference, and am finding that when I enter a tunnel the lights are very responsive and flick on within seconds. However, once I exit the tunnel to bright mid-day sunlight, it takes about 2-3 minutes before the lights turn off. I haven't bothered with it for a year as it as been like this since day one. It's starting to itch my insecurities when passing drivers give me the your-lights-are-on-moron look.

All other cars I've owned previously (not bmw's) have been responsive with both on and off in auto-mode.

The next step is to take it to my local BMW dealership but would appreciate avoiding the travel if it's just me missing some crucial setting?
Its normal, i don't like it but its normal.
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      09-28-2014, 08:01 PM   #3
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Ah man, I'm still clinging onto the infinitesimal chance that we both have a lemon...
Anyone else like to chime into the topic?
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      09-28-2014, 08:08 PM   #4
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a lemon. c'mon.
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      09-28-2014, 08:44 PM   #5
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I am guessing you have the Bi-Xenons. Rapid cycling of HIDs is very hard on the bulbs. Therefore, BMW sets them to stay on for a min amount of time before turning back off again in auto mode. This is normal.
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      09-28-2014, 09:32 PM   #6
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I keep my headlights on the O (Off) position. If it gets dark/rain, I flip them the Auto position and turn on foglights. I know it defeats the purpose of "Automatic" lights, but that's just me.

I have noticed the exact same behavior OP, so it's not just your car. It's behaving like it's supposed to.
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      09-28-2014, 10:16 PM   #7
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Fair enough. Thanks for the responses everyone. First world problems eh? Mind you, this whole forum is about first world problems.

I'll live with it and might just manually turn it on when required as suggested.
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      09-29-2014, 02:57 AM   #8
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Nothing wrong with making sure people can see you even during the day.
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      09-29-2014, 02:58 AM   #9
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I have the same 'problem' and I'm not exactly chuffed with the automatic headlights. So I turn mine on manually. I usually keep my daytime lights on, so being visible in a tunnel is not a problem.
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      09-29-2014, 08:24 AM   #10
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My solution is to leave the headlights on auto all the time and never give it a second thought about when they turn off. Literally, I simply don't notice any more, and wouldn't care if I did, that the headlights are on for a few moments after coming out of a tunnel or similar. Which works for me because I've never had a situation where the headlights were off but I wanted them on.
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      09-29-2014, 08:52 AM   #11
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I've noticed that not long after I've refueled the needle on the fuel gauge comes off the full mark. Is this normal? I find it appalling that after I've spent so much filling the tank that it won't stay full for at least a day or two. This is unacceptable. My 1998 GMC Suburban stays on the full mark for at least 100 miles. I think I have a lemon.
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      09-29-2014, 10:03 AM   #12
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Nobody is giving you a look when you drive by with your headlights on. Don't think about it so much.
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      09-29-2014, 10:55 AM   #13
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i have a 2014 F32 with adaptive LED's with the same behaviour as yours and i dont like it. First i dont understand it... and BMW has no explanations so far...
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      09-29-2014, 11:01 AM   #14
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Quote:
Originally Posted by Saphirschwarz
i have a 2014 F32 with adaptive LED's with the same behaviour as yours and i dont like it. First i dont understand it... and BMW has no explanations so far...
It's Normal. My e92 was the same way. I assume it's just there in case you head right back into a tunnel or for some other safety reason. I don't know why people are so bent over this??..
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      09-29-2014, 11:46 AM   #15
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So every morning I drive out of my garage the headlights are on, fine. Within a minute I'm driving in full blown sunshine but the headlights will be on for 20 minutes. They will always turn off eventually but I think that's a little excessive.

If I pass under a underpass they will come back on and then turn off within a couple of minutes. But, it's that first on-off cycle in the morning that is completely screwy.

It sounds like I have it even worse than the OP. I have a 2014 328d F31 BTW.
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      09-29-2014, 12:43 PM   #16
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Quote:
Originally Posted by F31MSport View Post
So every morning I drive out of my garage the headlights are on, fine. Within a minute I'm driving in full blown sunshine but the headlights will be on for 20 minutes. They will always turn off eventually but I think that's a little excessive.

If I pass under a underpass they will come back on and then turn off within a couple of minutes. But, it's that first on-off cycle in the morning that is completely screwy.

It sounds like I have it even worse than the OP. I have a 2014 328d F31 BTW.
That's deliberate. From the owner's manual:

Quote:
A blue sky with the sun low on the horizon can
cause the lights to be switched on.
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      09-29-2014, 01:06 PM   #17
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I wonder if the logic used is just light sensor and time based.

It tends to annoy me, if I go through one tunnel for 5 seconds and then the headlights are on forever.

I tend to run just the angel eyes in the light off position and manually control them, but that's probably just my Type A personality dialing in.
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      09-29-2014, 01:11 PM   #18
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It's normal. My Infiniti did the same thing. It's beneficial to the life of the bulb as quick on/off cycles can lower the lifespan of the xenon bulb.
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      09-29-2014, 04:58 PM   #19
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there have been many threads on many differnt platforms that with HID headlights that rapid cycling of the bulbs on and off can cause the bulbs to burn out faster and in some cases not come back on until a proper cool down period has been performed. that is why at night when driving some people who briefly turne don thri lights and turned them back off were complaing that they didnt come back on.
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      09-29-2014, 09:16 PM   #20
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Quote:
Originally Posted by BavarianFanatic
I've noticed that not long after I've refueled the needle on the fuel gauge comes off the full mark. Is this normal? I find it appalling that after I've spent so much filling the tank that it won't stay full for at least a day or two. This is unacceptable. My 1998 GMC Suburban stays on the full mark for at least 100 miles. I think I have a lemon.
Appalling? You would rather have an inaccurate fuel reading like your GM has? What is wrong with you? You don't have a lemon. You have a gauge that works exactly as it should. Your GM gauge, on the other hand, can not measure the top 10% of the tank due to its antique design...so it stays on full until the float is fully uncovered!
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      09-29-2014, 09:59 PM   #21
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Not beating a dead horse and the reason behind it has already been discussed but it is annoying. On my commute into work on the highway, there's an underpass which my headlights always comes on. Bright sunlight and they stay on for a good while. If there's traffic, I'll take the surface roads and there's a light that's always red and you're stopped under an underpass. Here, they don't come on. Go figure.
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      09-30-2014, 01:23 AM   #22
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Quote:
Originally Posted by Austinformedude View Post
Appalling? You would rather have an inaccurate fuel reading like your GM has? What is wrong with you? You don't have a lemon. You have a gauge that works exactly as it should. Your GM gauge, on the other hand, can not measure the top 10% of the tank due to its antique design...so it stays on full until the float is fully uncovered!
His post was sarcasm.
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