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Are there downsides to coilovers?

Posted on 9/26/20 at 1:59 pm
Posted by Gaston
Dirty Coast
Member since Aug 2008
38943 posts
Posted on 9/26/20 at 1:59 pm
I’ve got over 160k miles on the original springs and shocks, thinking of replacing them at some point. Is swapping the factory setup for coilovers legit on a stock sedan? Will it ride like shite?
Posted by fightin tigers
Downtown Prairieville
Member since Mar 2008
73674 posts
Posted on 9/26/20 at 2:01 pm to
Are you removing air or oil suspension?
Posted by Redbone
my castle
Member since Sep 2012
18831 posts
Posted on 9/26/20 at 2:16 pm to
You haven't given nearly enough info for a conclusion BUT, generally speaking, coilover setup rides better than leaf springs. You will need to talk to experts to decide on load carrying and ride comfort of the different brands.

My experience is in Jeeps and the the choices are many. Maybe you should join a website that has people with experience with a vehicle like yours.
Posted by keakar
Member since Jan 2017
29906 posts
Posted on 9/26/20 at 2:19 pm to
how often do you off road in your vehicle and how large are the rocks you drive over when rock crawling?
Posted by Gaston
Dirty Coast
Member since Aug 2008
38943 posts
Posted on 9/26/20 at 2:56 pm to
Spring and shocks on independent suspension...heavy arse sedan.

Posted by fightin tigers
Downtown Prairieville
Member since Mar 2008
73674 posts
Posted on 9/26/20 at 2:58 pm to
For that ride it is a cheap solution. You will sacrifice some ride quality and some of the performance I would think.

I'm assuming your goal for doing this is to avoid some other expensive repair?
Posted by Gaston
Dirty Coast
Member since Aug 2008
38943 posts
Posted on 9/26/20 at 3:20 pm to
Nope, mostly ride height. I could swap the springs for OEM sport suspension and keep it mostly original, idk. I try to replace every part with oem bmw parts, and I’ve replaced a shite load of parts, but this is one time I think it would be cool to have it lowered when I want.
Posted by lsu xman
Member since Oct 2006
15531 posts
Posted on 9/26/20 at 3:21 pm to
Tires probably wont last as long.
Posted by Cracker
in a box
Member since Nov 2009
17670 posts
Posted on 9/26/20 at 3:24 pm to
You just replace the strut and spring as one unit or you can replace the strut only
you get eibach spring that will lower the ride height a little and are stiffer
This post was edited on 9/26/20 at 3:26 pm
Posted by wheelr
Member since Jul 2012
5147 posts
Posted on 9/26/20 at 3:25 pm to
All of the coilovers available for my car are known for being quite a bit stiffer than stock and aftermarket struts.

Coilovers may also require rebuilds more frequently than replacing struts.
Posted by subMOA
Komatipoort
Member since Jan 2010
1706 posts
Posted on 9/26/20 at 4:04 pm to
I’m with Redbone on this.

Last system I did was with 18” (yep) travel Bilsteins with 3 spring rates.

The truck was abhorrent with 16” travel FOAs- even after we tried everything possible including fabricating different vavling to overcome some defects we felt FOA has in their design.

Tuning and TOTAL understanding of compression and rebound are key. I bet a few hours on a BMW board would get you some relatively decent recipies for a daily.
Posted by holmesbr
Baton Rouge, La.
Member since Feb 2012
2988 posts
Posted on 9/26/20 at 4:39 pm to
If you go with a legit brand and not some ricer level crap they may be better than stock. Ohlin, Motion Control ect. Don't cheap out on the damper. May also be able to change just the damper and keep the stock spring. Check out what Koni can offer.
Posted by FlyinTiger93
Member since May 2010
3576 posts
Posted on 9/26/20 at 4:44 pm to
Coilovers are great. Lower weight, lower ride height, and smoother ride when lowered. Wouldn’t waste the money on an older Bimmer, though. Repair costs of everything are just too high. Put the money into your new car.
Posted by Gaston
Dirty Coast
Member since Aug 2008
38943 posts
Posted on 9/26/20 at 5:22 pm to
I don’t want a new car. I want this car. Hydraulic steering, non turbo inline 6, manual transmission (from the gods)...my last mechanic bill was $5300, no shite.
Posted by Lima Whiskey
Member since Apr 2013
19106 posts
Posted on 9/26/20 at 5:34 pm to
I would buy the oem sports suspension. They spent money figuring out the right balance between performance and comfort.
This post was edited on 9/26/20 at 5:35 pm
Posted by Gaston
Dirty Coast
Member since Aug 2008
38943 posts
Posted on 9/26/20 at 5:37 pm to
I think it was an active suspension though. Surely I could buy the springs, then just rig it up passive.
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
66763 posts
Posted on 9/26/20 at 5:40 pm to
quote:

got over 160k miles on the original springs and shocks,


Sounds like OEM is the way to go
Posted by TheSnuggler
McSwiggin Village
Member since Sep 2012
243 posts
Posted on 9/26/20 at 6:21 pm to
I can’t believe I was your first downvote, Nancy
Posted by fightin tigers
Downtown Prairieville
Member since Mar 2008
73674 posts
Posted on 9/26/20 at 6:30 pm to
quote:

Sounds like OEM is the way to go


Nah, BMW isn't really known for their sports tuned suspension.

OP is about to ruin a good car.
Posted by billjamin
Houston
Member since Jun 2019
12393 posts
Posted on 9/26/20 at 6:55 pm to
Unless you need to be able to adjust ride height or balance, just go back with OEM.
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