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E90/E91/E92/E93 (2006 - 2013)
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  #1  
Old 01-16-2015, 11:56 AM
BashedBarrique's Avatar
BashedBarrique BashedBarrique is offline
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Mein Auto: 2006 325i
Lowering spring kit or coil overs?

While I love my new (to me) 19" style 230 wheels and (225 35 R19, 255 30 R19) tires I think the car sits a bit tall and the fender gaps could be a bit tighter.



OK (CAL I'm looking at you matey), don't call me a poseur, I also want to improve the handling of my car as well.

Before anyone posts the ubiquitous "Use the search function moron!" response, I have spent the last two days pouring over the related posts and done a fair bit of online research.

I want to decide whether I should go with a lowering kit that consists of springs and shocks or a coil over package. I'm not planning on tracking Mein Liebling, but I do drive her pretty hard when the mood strikes.

I would like the opinions of people that have done one or the other and what they would recommend. Pictures would also be GREATLY appreciated.
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  #2  
Old 01-16-2015, 01:54 PM
fdriller9 fdriller9 is offline
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Mein Auto: '06 AW 330xi
FSDs + OEM sport springs or any aftermarket lowering spring.

Unless you are tracking the car or just want to be able to adjust height, there is not point in getting coilovers.
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  #3  
Old 01-16-2015, 01:58 PM
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BashedBarrique BashedBarrique is offline
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Quote:
Originally Posted by fdriller9 View Post
FSDs + OEM sport springs or any aftermarket lowering spring.

Unless you are tracking the car or just want to be able to adjust height, there is not point in getting coilovers.
Hi Driller,

I thought about PM'ing you since I knew you had lowered your car. What set up did you use? How much did it drop your ride height? Are you tracking your car?

Can I see that picture of it in the "steady state" condition again?
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  #4  
Old 01-16-2015, 02:19 PM
fdriller9 fdriller9 is offline
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Quote:
Originally Posted by BashedBarrique View Post
Hi Driller,

I thought about PM'ing you since I knew you had lowered your car. What set up did you use? How much did it drop your ride height? Are you tracking your car?

Can I see that picture of it in the "steady state" condition again?
I have H&R coilovers and M3 bits in the back with adjustable upper camber arms. I'm running an E93 M3 sway in the back and I had ordered a Whiteline 27mm front sway but after waiting for a couple months, I was informed they are still designing it. I have not been informed of an ETA for a release date.

I'm am pretty much at the lowest setting you can adjust the coilovers too. I can lower the front another 1/4" and the rear another 1" or so.

I still have to figure out a bushing for my front tension strut. I may just make a custom poly bushing if I can't find anything.

And yes I do track the car occasionally
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  #5  
Old 01-16-2015, 07:51 PM
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BashedBarrique BashedBarrique is offline
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Quote:
Originally Posted by fdriller9 View Post

I'm am pretty much at the lowest setting you can adjust the coilovers too. I can lower the front another 1/4" and the rear another 1" or so.
Thanks for the info driller.

I have seen kits that list drops from 0.75 inches to 2.0 inches. For reference, how much lower than stock is your set up in those pictures?
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  #6  
Old 01-16-2015, 09:34 PM
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CALWATERBOY DUE CALWATERBOY DUE is online now
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Mein Auto: 09 E93 335i somewhat mod
Quote:
Originally Posted by BashedBarrique View Post
OK (CAL I'm looking at you matey), don't call me a poseur, I also want to improve the handling of my car as well.

Eibach linear Sport springs with matching Koni Yellows will lower the car up to 3/4" lower than the factory Sport option. Lower center of gravity with performance parts do much to improve handling - night 'n' day really. My go-to vendors are Ground Control for their Street/School kit, and HP Autosport [Autowerks?] for M3 parts and their excellent bushing install tool rental.

That the above closes the wheel gap may please ya. Ground Control's kit includes height adjusters for all wheels - dial yer own! But be aware than as you go down, suspension adjustment moves toward limits, and the ride firms unless you change spring rates.

However. Lowering springs usually don't help ride quality - but matching springs/shocks as above improve the experience of your drive. Pothole explosions for instance are no more - BIG plus....



Last edited by CALWATERBOY DUE; 01-16-2015 at 09:41 PM.
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  #7  
Old 01-16-2015, 11:55 PM
BashedBarrique's Avatar
BashedBarrique BashedBarrique is offline
Officially Welcomed to the 'Fest
Location: Carmel Indiana
 
Join Date: Jan 2013
Posts: 868
Mein Auto: 2006 325i
Quote:
Originally Posted by CALWATERBOY DUE View Post
Eibach linear Sport springs with matching Koni Yellows will lower the car up to 3/4" lower than the factory Sport option. Lower center of gravity with performance parts do much to improve handling - night 'n' day really. My go-to vendors are Ground Control for their Street/School kit, and HP Autosport [Autowerks?] for M3 parts and their excellent bushing install tool rental.

That the above closes the wheel gap may please ya. Ground Control's kit includes height adjusters for all wheels - dial yer own! But be aware than as you go down, suspension adjustment moves toward limits, and the ride firms unless you change spring rates.

However. Lowering springs usually don't help ride quality - but matching springs/shocks as above improve the experience of your drive. Pothole explosions for instance are no more - BIG plus....


Thanks for the advice CAL. Would Koni FSD's be better than yellows?

P.S.

(After more reading of the link you so kindly supplied, I think I see the light!)

Last edited by BashedBarrique; 01-17-2015 at 12:04 AM. Reason: post script
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  #8  
Old 01-17-2015, 12:01 AM
CALWATERBOY DUE's Avatar
CALWATERBOY DUE CALWATERBOY DUE is online now
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Mein Auto: 09 E93 335i somewhat mod
Quote:
Originally Posted by BashedBarrique View Post
Thanks for the advice CAL. Would Koni FSD's be better than yellows?

The're designed for BMW Sport springs, so with them, would be diff not necessarily better. Depends on what you want - sa-mooth ride with very good handling or firmish ride with top drawer handling?
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  #9  
Old 01-17-2015, 12:27 AM
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BashedBarrique BashedBarrique is offline
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Location: Carmel Indiana
 
Join Date: Jan 2013
Posts: 868
Mein Auto: 2006 325i
Quote:
Originally Posted by CALWATERBOY DUE View Post
The're designed for BMW Sport springs, so with them, would be diff not necessarily better. Depends on what you want - sa-mooth ride with very good handling or firmish ride with top drawer handling?
I'll go with "firmish ride with top drawer handling". I also like the idea of being able to adjust the ride height.
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