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      08-11-2008, 03:28 PM   #1
rich662
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M3 Headlights = High beams?

I've noticed that the xenon headlights for the M3 are much much brighter than what was on my previous E90. On the road at night, some other cars have even "high-beamed" me to try and signal to me as if my high-beams were on. And there was one time on the highway that a car infront of me pulled behind me and was constantly flashing me with his high-beams.

Anyone else ever had this experience? Do my lowering springs change the stance of my car so that my lights may be more "eye-catching" than stock?
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      08-11-2008, 03:33 PM   #2
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Quote:
Originally Posted by rich662 View Post
Do my lowering springs change the stance of my car so that my lights may be more "eye-catching" than stock?
Maybe. On my E46, the vertical angle of my Xeons is controlled by this little sensor that is mounted on the frame of the car and has a little arm that connects to a piece of the suspension.

Assuming the E9X works the same way, if you lower the car, the relationship between the suspension piece and the sensor is changed.

And by the way, the "Dinan authorized" BMW-only shop that installed the suspension on my 330i kinda forgot about that little arm needing to be disconnected before taking apart the suspension and they broke it (and tried to hide that they broke it). Anyway, you might want to check into what sort of sensor the E9X uses and see that it was re-connected / not broken.

If your sensor is broken / not connected, it might be stuck in a position that puts your beams at the highest angle possible!
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      08-11-2008, 04:06 PM   #3
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i had that all the time on my e46 and now on the porsche it still happens a lot. I had the xenons checked on both cars. apparently they are just fine. nevertheless on the highway i feel like i am illuminate the sky.
maybe it also has to do with the real wheel drive. if you accelerate the beam moves up a bit.
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      08-11-2008, 05:30 PM   #4
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I've had it happen to me quite a bit on my xenon cars. Typically happens when there are elevation changes in the road where your lights get directed into the driver's line of sight.
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      08-11-2008, 05:37 PM   #5
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no i turn my high beams on all the time to piss people off the regulars arent enough
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      08-11-2008, 06:15 PM   #6
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Quote:
Originally Posted by rich662 View Post
I've noticed that the xenon headlights for the M3 are much much brighter than what was on my previous E90. On the road at night, some other cars have even "high-beamed" me to try and signal to me as if my high-beams were on. And there was one time on the highway that a car infront of me pulled behind me and was constantly flashing me with his high-beams.

Anyone else ever had this experience? Do my lowering springs change the stance of my car so that my lights may be more "eye-catching" than stock?
You should of dropped back down behind him, and THEN flashed your high beams. Let him know just how bright your shit can get.

If you really wanted to make your point, you could walk them through the whole cycle. Off, head lights, high beams. Then flash the highs alittle just to make sure the message went through.
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      08-11-2008, 06:18 PM   #7
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Happened all the time in my QX56.
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      08-11-2008, 07:00 PM   #8
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People need to learn to adjust the aim of their headlights. It's not like rocket science. If your suspension has been modified, chances are the baseline position is off and/or the auto adjust is messed up.
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      08-11-2008, 08:25 PM   #9
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Quote:
Originally Posted by UltimateBMW View Post
You should of dropped back down behind him, and THEN flashed your high beams. Let him know just how bright your shit can get.

If you really wanted to make your point, you could walk them through the whole cycle. Off, head lights, high beams. Then flash the highs alittle just to make sure the message went through.
actually, i slowed down, pulled beside him, and gave him the friendly finger greeting and floored it. he must really think i'm an asshole now lol
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      08-11-2008, 10:25 PM   #10
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you may want to pull up to a closed garage door on a level driveway with your headlights on.

They should be level, slightly below the height of the headlights at 5-10 feet.

As you pull back (on the level) the light should not be getting higher

Basically - you may wish to check the alignment of your lights.
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      08-11-2008, 11:19 PM   #11
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Quote:
Originally Posted by M3Kevin View Post
you may want to pull up to a closed garage door on a level driveway with your headlights on.

They should be level, slightly below the height of the headlights at 5-10 feet.

As you pull back (on the level) the light should not be getting higher

Basically - you may wish to check the alignment of your lights.

So I guess I'll need to take it back to the dealership or?
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      08-12-2008, 12:29 AM   #12
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I've never had anyone flash me thinking my high beams were on. Sounds like your lowered suspension has messed up the auto leveling feature as others have said. I'd take the car back to whoever did the lowering on your car and tell them your headlights aren't auto-leveling properly.
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      08-12-2008, 04:53 AM   #13
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Sounds like you should re-align the throw of your main xenon beam
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