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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Ohlins ride height issue **NOW WITH PICS**



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      02-19-2014, 08:46 PM   #23
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Ok, let me get this straight; the Ohlins kit comes with 8" springs for the front and 10" springs for the rear is that correct? So the longer springs are for the rear? If so, I may have reversed them hence my problem, will update thread as soon as I get home and check, and if this is the case, I will probably go ahead and shoot myself......
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      02-19-2014, 08:48 PM   #24
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^ correct. Need to borrow my gun?
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      02-19-2014, 08:54 PM   #25
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Quote:
Originally Posted by cvc 22349a View Post
^ correct. Need to borrow my gun?
I just might; If I did mess it up and have to redo it, that will make the 4th time in like 3 months that I will have done a total suspension install on my car.......I just hope I didn't mess up the dampers....
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      02-19-2014, 09:11 PM   #26
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loll... please post pics of ride height afterwards!
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      02-19-2014, 10:19 PM   #27
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Alright, I might not be a total idiot after all and may have figured out half my problem. The pic here is of the front spring which looks short of 8" so fully extended I think would be 8" which means I don't think I reversed the front and rear springs. Also, as you can see the adjustment is all the way to the bottom. Am I going the right way here to lower the front? Raising the spanner rings here in front would just raise the ride height would it not? Or would it lower the car by compressing the spring if I move the rings up?
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      02-19-2014, 10:21 PM   #28
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Also here is pic of the rear adjustment which is maxed out as well.....anybody see any issues here?
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      02-19-2014, 10:56 PM   #29
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You have the rear spring perches on the front and the fronts on the rear. Look at your spanner nuts on yours and compare those to the pics on the previous page.
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      02-19-2014, 11:58 PM   #30
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Quote:
Originally Posted by pwr hungry View Post
You have the rear spring perches on the front and the fronts on the rear. Look at your spanner nuts on yours and compare those to the pics on the previous page.
Hmmm interesting observation. Could you tell me why that matters exactly? Do you mean just the spanner nuts are reversed?

Actually I'm pretty sure I have the perches correct....at least according to the install manual.....not sure I follow you

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      02-20-2014, 11:39 AM   #31
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Quote:
Originally Posted by nikitino25 View Post
Hmmm interesting observation. Could you tell me why that matters exactly? Do you mean just the spanner nuts are reversed?

Actually I'm pretty sure I have the perches correct....at least according to the install manual.....not sure I follow you
Unless the front and rear threaded tubes/perches (that's what I'm calling them at least) are the same length, you're losing and gaining adjustable range on the wrong ends of the car. You have the large and small spanner on the rear and the two large spanners on the front and you're having height issues. The other poster has his reversed from yours and he is not having height issues. Seems logical to me that you installed the wrong tube/perch and spanners on the wrong ends. I would go see if they are a different length and go from there, but that's where my money is at.
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      02-20-2014, 01:27 PM   #32
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Quote:
Originally Posted by pwr hungry View Post
Unless the front and rear threaded tubes/perches (that's what I'm calling them at least) are the same length, you're losing and gaining adjustable range on the wrong ends of the car. You have the large and small spanner on the rear and the two large spanners on the front and you're having height issues. The other poster has his reversed from yours and he is not having height issues. Seems logical to me that you installed the wrong tube/perch and spanners on the wrong ends. I would go see if they are a different length and go from there, but that's where my money is at.
Ok I see what you are saying but only the back has the separate threaded tube; for the front, the dampers themselves are threaded and the bottom perch is just the spanner nut on the body of the damper so there's nothing to get mixed up there. I could have maybe used the wrong spanner nuts front to rear but they are all basically the same thickness so the difference there would be minimal. Pretty sure I have them right also.....
Here's an install thread where it looks like the guy did it the same way as me:

http://www.e90post.com/forums/showth...ghlight=ohlins

I sent him a pm also, maybe he will chime in here....
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      02-20-2014, 01:37 PM   #33
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Hmm...interesting. Please post what you find the end issue to be. I've been considering ohlins as well.
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      02-20-2014, 01:48 PM   #34
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Quote:
Originally Posted by pwr hungry View Post
Hmm...interesting. Please post what you find the end issue to be. I've been considering ohlins as well.
I will do so....actually the ride height that I now have is not too bad and I'll post a pic as soon as I can but I'd like to go just a bit lower in front maybe and just a bit higher in back but there's no further adjustment on either end.....seems like something's not quite right though......
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      02-20-2014, 03:00 PM   #35
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Hmm...are you trying to get the same tire to fender gap front and rear? If so, that might be why you're running out of range since the rear rides closer to the fender with the body level. You might be trying to get too much rake out of the available adjustable range?
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      02-20-2014, 03:53 PM   #36
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Quote:
Originally Posted by pwr hungry View Post
Hmm...are you trying to get the same tire to fender gap front and rear? If so, that might be why you're running out of range since the rear rides closer to the fender with the body level. You might be trying to get too much rake out of the available adjustable range?
Yeah that is what I was going for....just seems like I should be able to make it lower in front and higher in back from the way it is now. Basically just like phil325i's car on the 1st page. Will try to get a pic up as soon as I can to see what u guys think.
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      02-21-2014, 11:53 PM   #37
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Quote:
Originally Posted by pwr hungry View Post
You have the rear spring perches on the front and the fronts on the rear. Look at your spanner nuts on yours and compare those to the pics on the previous page.
No he doesn't they are correct as fitted.
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      02-22-2014, 03:45 AM   #38
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OP your pic of the rear set up shows that you are missing one of the flanges. Compare it to mine, or the pics on the R&T website and you'll see there should be TWO rings above the spring, not one. The spring seat and the locking nut ring. See here...

MI_BMSMI00.pdf
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      02-22-2014, 06:36 AM   #39
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Quote:
Originally Posted by Phil325i View Post
OP your pic of the rear set up shows that you are missing one of the flanges. Compare it to mine, or the pics on the R&T website and you'll see there should be TWO rings above the spring, not one. The spring seat and the locking nut ring. See here...

Attachment 981864
I do have the two spanner rings above the rear spring, my top one is smaller than yours so it's hard to see in my pic but take a look again, it's there above the bigger one. Not sure why it's smaller but I think it's correct as it shows in the other part of the Ohlins manual. Even if I reversed a pair of the rings front to rear, the thickness of all of them is about the same so wouldn't make much difference in the ride height if any; unless I'm missing something here. I'll post a pic of my car as it sits later today when I have some daylight....
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      02-22-2014, 09:27 AM   #40
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Off topic, but I would put cable ties around the bellows on the dampers to grip the damper tubes and prevent ingress of water and road debris. The company that installed mind did this for me without being asked.
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      02-22-2014, 11:52 AM   #41
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Why don't you get the part part numbers off the springs and compare it to what the specs are or what others have done to see if yo have them in the right spot. That way you would eliminate that variable for sure.
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      02-22-2014, 04:32 PM   #42
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Yeah zip ties aren't a bad idea and maybe I will get the spring part numbers to make sure I have the right ones. I do have the longer ones in back and shorter in front. Here's couple pics from today.....as you can see the rear is lower than the front, ideally I'd like to raise the rear slightly and lower the front slightly (the front is just about right though) so as to have the same fender gap front to rear but I can neither lower the front anymore nor raise the rear.....It's not terrible but I feel like I should be able to get it EXACTLY where i want it.....also if the rear settles anymore, It will definitely be too low for me; almost slammed looking which I don't want.
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      02-22-2014, 05:14 PM   #43
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looks great imo. If you dont mind can you measure the height fron the ground to the lower part of the fenders front and rear.
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      02-22-2014, 06:10 PM   #44
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Quote:
Originally Posted by Phil325i View Post
OP your pic of the rear set up shows that you are missing one of the flanges. Compare it to mine, or the pics on the R&T website and you'll see there should be TWO rings above the spring, not one. The spring seat and the locking nut ring. See here...

Attachment 981864
There are two rings, clean your glasses!
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