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      08-31-2010, 09:21 PM   #23
elp_jc
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Originally Posted by J08M3 View Post
Yet I had to adjust my lights when I installed the springs
Arm HAS to be unhooked to change springs; bet yours was hooked up wrong. Read the thread and see the pics. Looks 'right' either way, but only one way is correct.
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      08-31-2010, 09:50 PM   #24
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Headlight aiming is not an arbritrary thing. You can't just aim it how you feel like it. There are actually standards published by SAE on how the lights should be aimed. The aiming spec is to ensure that a specified percentage of the light output is directed at the groudn and not towards the eyes of other drivers. This is part of the reason auto-leveling technology was incorporated into automotive lighting.
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      09-01-2010, 10:06 AM   #25
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Quote:
Originally Posted by elp_jc View Post
Arm HAS to be unhooked to change springs; bet yours was hooked up wrong. Read the thread and see the pics. Looks 'right' either way, but only one way is correct.
I dont' remember unhooking it and I did my springs myself.

Does anyone have a better picture? I can't figure out exactly what that picture is, but it looks how mine looks now. I think
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      09-01-2010, 12:30 PM   #26
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Quote:
Originally Posted by J08M3 View Post
I dont' remember unhooking it and I did my springs myself.

Does anyone have a better picture? I can't figure out exactly what that picture is, but it looks how mine looks now. I think
Here's a picture of the leveling arm assembly



The mounting bracket for the leveling arm (part #11 above) mounts to the camber link (part #4 below) in the area indicated by the red circle.



See where part #10 and #5 meet in the leveling arm assembly picture. That joint is free to swivel. See in the picture how part #5 is near horizontal and part #10 is near vertical. That is the right way. It is possible to install it such that part #5 is near vertical and part #10 is near horizontal. That is the wrong way.
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Last edited by 808MGuy; 09-01-2010 at 12:36 PM.
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      09-01-2010, 03:25 PM   #27
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hmmm I will have to look again
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      09-01-2010, 10:37 PM   #28
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It's usually the rear one that gets installed wrong. It's a quick fix. Just unscrew it at the hinge and reverse how the arm is attached.
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Let me get this straight... You are swapping out parts designed by some of the top engineers in the world because some guys sponsored by a company told you it's "better??" But when you ask the same guy about tracking, "oh no, I have a kid now" or "I just detailed my car." or "i just got new tires."
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      09-02-2010, 12:32 AM   #29
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^ same here..we did our own spring job and I don't ever remember messing with the part in the picture of that thread. But, I too have my lights shining too high now... So, I wonder if I do a manual adjustment or jack the car up and inspect again...
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      09-02-2010, 02:06 AM   #30
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Jack the car up. If the arm's not in the proper position, you don't have self leveling.
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Let me get this straight... You are swapping out parts designed by some of the top engineers in the world because some guys sponsored by a company told you it's "better??" But when you ask the same guy about tracking, "oh no, I have a kid now" or "I just detailed my car." or "i just got new tires."
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      09-04-2010, 07:29 AM   #31
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This is the problem, please ignore all other crap posted above. YOU DO NOT HAVE TO ADJUST YOUR HEADLIGHTS

http://www.m3post.com/forums/showthread.php?t=389548

I had the same issue and it's the sensor which is replaced the wrong way after suspension springs are changed

Extremely easy to re intall incorrectly
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      09-04-2010, 08:38 AM   #32
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Quote:
Originally Posted by Bob MG View Post
This is the problem, please ignore all other crap posted above. YOU DO NOT HAVE TO ADJUST YOUR HEADLIGHTS

http://www.m3post.com/forums/showthread.php?t=389548

I had the same issue and it's the sensor which is replaced the wrong way after suspension springs are changed

Extremely easy to re intall incorrectly
+1 Happened to me also. I drove around for a year with my headlights not adjusting. I lowered them manually significantly after I installed my springs. After I fixed the sensor arm position I had to go back and readjust my headlight back up a number of turns. All is well now. I am willing to bet more than 50% of the folks with suspension work are driving around with the sensor in the wrong position.
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      09-04-2010, 09:42 AM   #33
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Mine was blinding the crap out of everyone after lowered on RD sport but luckily I searched this topic. I had the issue with my Audi where my headlight got stuck and it was the same culprit. I didn't even unscrew anything. I just muscled the sensor since it was plastic back to the correct position. It is a moving flimsy plastic mechanism so that's all I dis to get it back to the correct angle
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      09-04-2010, 09:44 AM   #34
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I still don't see what's wrong with mine..... It's been over a year since I did my spring install but I really don't remember unhooking that arm. The pics in the thread aren't too clear either, cause mine looks like that to me and I had to adjust my headlights.
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      09-21-2010, 09:33 AM   #35
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figured it out finally.... haha... just had to take the wheel off and take a closer look. I guess what happened is it got flipped up the other way so at first glance it looked correct. Only took 10 minutes to fix
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      09-21-2010, 09:54 AM   #36
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Quote:
Originally Posted by J08M3 View Post
figured it out finally.... haha... just had to take the wheel off and take a closer look. I guess what happened is it got flipped up the other way so at first glance it looked correct. Only took 10 minutes to fix
+1 Yep. That is why so many people have this wrong. When you take it apart is naturally flips down to the incorrect position.
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      01-19-2011, 02:04 AM   #37
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This thread is quite informative. My auto-leveling works fine, but after dropping my car on H&R's, I needed to adjust the beam a tad bit.
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      05-27-2012, 01:34 PM   #38
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I think this is the issue with mine but I am so busy with work and too lazy to fix this I just don't drive my M3 at night. Case solved. I drive my X5 at night. X5 is a lot nicer anyway. Stupid excuse but fact in my life.

I wanted to bump this for other owners awareness.
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      10-13-2013, 09:12 AM   #39
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Quote:
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Yes, something doesn't seem right about this. If you lowered the car the same on all 4 corners, the headlights shouldn't be pointing higher.
LOL same thing here. I lowered the car and my headlight beams higher. I get flashed by onward cars all the time
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