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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Removing front coilover - lower control arm.



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      09-29-2016, 06:20 PM   #1
agustincuenca
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Removing front coilover - lower control arm.

So this happened. I bought the new upper strut mount and it's ready to be installed. So my question is, can I remove the front coilover without having to touch the lower control arm? I don't want to go for an alignment again. I want to take the entire coilover assembly because I want to change the upper and lower spring (both sides) rubber mounts, since I missed it the day I installed the suspension and is the only thing not fresh in the entire setup.
Any advise will help! thanks.
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      09-30-2016, 09:21 AM   #2
feuer
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Yes, you can remove everything and bolt back on as only toe is adjustable...
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      09-30-2016, 10:24 AM   #3
agustincuenca
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Quote:
Originally Posted by feuer View Post
Yes, you can remove everything and bolt back on as only toe is adjustable...
I was waitin for your aswer, thanks!
Dies releasing the LCA affect the camber?
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      09-30-2016, 10:41 AM   #4
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Quote:
Originally Posted by agustincuenca View Post
I was waitin for your aswer, thanks!
Dies releasing the LCA affect the camber?
No, down there only toe is adjustable on the tie rod. Remove away worry free.
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      09-30-2016, 10:48 AM   #5
RyanDavies
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You could theoretically impact it trivially if you went from preloaded *way* one way to *way* the other. But unlikely. Just torque it back at ride height.
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      09-30-2016, 10:52 AM   #6
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that's great! thank you both!
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      09-30-2016, 08:00 PM   #7
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Quote:
Originally Posted by feuer View Post
Yes, you can remove everything and bolt back on as only toe is adjustable...
Terrible advice.
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The hell I don't! LISTEN, KID! I've been hearing that crap ever since I was at UCLA. I'm out there busting my buns every night! Tell your old man to drag Walton and Lanier up and down the court for 48 minutes!

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      09-30-2016, 08:44 PM   #8
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Terrible advice.
Oh wow, why don't you teach us how needs to be done?
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      10-03-2016, 01:35 PM   #9
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definitely remove it without concerns of alignment, just as feuer correctly advises.

Even when I did my oil pan gasket and completely removed subframe from car, once put everything back together I took it to the alignment shop just for fun and everything was spot-on.
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      10-04-2016, 11:24 AM   #10
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you can remove the strut without removing the front LCA, but the top mount location does affect camber. If you still have the alignment pin in your upper mount, you should be okay, but if not, camber can be changed when you re-install the strut.
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      10-04-2016, 01:01 PM   #11
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Quote:
Originally Posted by mike-y View Post
you can remove the strut without removing the front LCA, but the top mount location does affect camber. If you still have the alignment pin in your upper mount, you should be okay, but if not, camber can be changed when you re-install the strut.
You could always mark it with paint pen...
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      10-04-2016, 06:54 PM   #12
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Quote:
Originally Posted by mike-y View Post
you can remove the strut without removing the front LCA, but the top mount location does affect camber. If you still have the alignment pin in your upper mount, you should be okay, but if not, camber can be changed when you re-install the strut.
Bingo.

Plus I'm not entirely certain you'll be able to drop the assembly down far enough to attach a spring compressor on the springs to compress it far enough to get the strut mount on and off without taking the entire strut assembly out.

I would MARK the location of the top stud in relation to the slot before you remove, and after you're done, making sure that the studs are lined up in exactly the same spot, I would still have the alignment checked at the bare minimum.

But hey. What do I know.
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The hell I don't! LISTEN, KID! I've been hearing that crap ever since I was at UCLA. I'm out there busting my buns every night! Tell your old man to drag Walton and Lanier up and down the court for 48 minutes!

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      10-04-2016, 07:07 PM   #13
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Quote:
Originally Posted by mike-y View Post
you can remove the strut without removing the front LCA, but the top mount location does affect camber. If you still have the alignment pin in your upper mount, you should be okay, but if not, camber can be changed when you re-install the strut.
thanks for the tip. The one I bought has the pin, so no worries.
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      10-04-2016, 07:09 PM   #14
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Quote:
Originally Posted by The HACK View Post
Bingo.

Plus I'm not entirely certain you'll be able to drop the assembly down far enough to attach a spring compressor on the springs to compress it far enough to get the strut mount on and off without taking the entire strut assembly out.

I would MARK the location of the top stud in relation to the slot before you remove, and after you're done, making sure that the studs are lined up in exactly the same spot, I would still have the alignment checked at the bare minimum.

But hey. What do I know.
I see what you are saying. At least I'll try, if I can't then I'll do it releasing the LCA. Thanks a lot for the input!
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      10-04-2016, 07:56 PM   #15
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Quote:
Originally Posted by agustincuenca View Post
I see what you are saying. At least I'll try, if I can't then I'll do it releasing the LCA. Thanks a lot for the input!
I can't believe this is still on going.
Honestly, you could've find the answer without this thread.
Above poster is uncertain and questioning the knowledge for matter that is super simple.
Read this:
http://www.e90post.com/forums/showthread.php?t=336355
As you can see the whole assembly can drop down and out for you to repalce the srut mount.
I have done it many many times...
Disconnect the swaybar link and headlight lever rod since is your first time and don't want to risk breakig it.
If shops are disassembling everything and re-alinging everything afterwords they will make zero money.
Just go for it...
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      10-04-2016, 08:04 PM   #16
agustincuenca
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Quote:
Originally Posted by feuer View Post
I can't believe this is still on going.
Honestly, you could've find the answer without this thread.
Above poster is uncertain and questioning the knowledge for matter that is super simple.
Read this:
http://www.e90post.com/forums/showthread.php?t=336355
As you can see the whole assembly can drop down and out for you to repalce the srut mount.
I have done it many many times...
Disconnect the swaybar link and headlight lever rod since is your first time and don't want to risk breakig it.
If shops are disassembling everything and re-alinging everything afterwords they will make zero money.
Just go for it...
thanks again Feuer! I was just being polite and replying to everyone that was trying to help and of course I appreciate yours.
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      10-15-2016, 09:50 PM   #17
agustincuenca
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Thanks feuer , RyanDavies and @simon @the hack.

did this today, fast, easy and no problems at all. Actually as the coilover is shorter, it's even easier than with stock suspension.
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      10-24-2016, 09:11 PM   #18
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Quote:
Originally Posted by agustincuenca View Post
Thanks feuer , RyanDavies and @simon @the hack.

did this today, fast, easy and no problems at all. Actually as the coilover is shorter, it's even easier than with stock suspension.
I need to do the same thing, good to know.
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