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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Lowering springs



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      12-24-2008, 01:43 PM   #1
dxb335d
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Lowering springs

Whats your thoughts? Which do you have and how do you rate them?

How hard to install?
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      12-24-2008, 02:01 PM   #2
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i have sports and i love them
everyone says its going to f up your suspension but i can care less because my nest step will be coilovers..many people are going to say its bouncy as well but i drive my car almost everyday i its not as bouncy as people were saying
as for the install i took mine to a shop my buddy owns...i saw him do the install and if you have all the tools and common sense its extremely easy...theres also a DIY for this
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      12-24-2008, 02:18 PM   #3
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I would go with the H&R Sports which are an improvement over the factory suspension but still retains the smoothness and everyday capability of your car. It will lower the car but I find the car to sit just right and be completely practical for everyday use. You will also notice improved handling.

Install is not terribly difficult but I do recommend doing it on a lift and you will need to get the car realigned once the suspension has been upgraded.
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      12-24-2008, 02:23 PM   #4
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so when everyone says it will f up your suspension...since bmw takes away your suspension warranty when you put in H&R sports, if something happens to your oem shocks as a result of prolonged use with the H&R's, do you have to pay for the suspension service? or what exactly happens?
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      12-24-2008, 02:24 PM   #5
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OP, Is your car a buy or lease?
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      12-24-2008, 02:27 PM   #6
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+1 on H&R sport........i have them on my 330i and Fit
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      12-24-2008, 02:42 PM   #7
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Quote:
Originally Posted by quiksilver1029 View Post
so when everyone says it will f up your suspension...since bmw takes away your suspension warranty when you put in H&R sports, if something happens to your oem shocks as a result of prolonged use with the H&R's, do you have to pay for the suspension service? or what exactly happens?
You would have to pay for the shock replacement in that case. BMW will not cover your suspension under warranty.
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      12-24-2008, 04:49 PM   #8
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Carl, just fitted H&R Sports yesterday. Not only lowered the car but are slightly stiffer in ride quality. Fantastic round the corners and twisty bits. Far more stable on the road at speed. A bit bumpier on our crap UK roads but liveable. Need to be a bit more cautious over speed bumps etc.

Fitted them myself. Did the front first. First corner took 1 1/2 hours as I took it steady. The second was less than an hour as I knew what to do. Same with the rears. First was and hour whilst the second was about 30 - 40 minutes. I reckon second time round I could do it in less than 3 hours. First time round I'd give yourself 5-6hrs to be safe.

Will post up some pics on the UK forum in the next couple of days.
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      12-24-2008, 04:53 PM   #9
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IMO, If you're going to do it, do it right and get a set of KW's or something similar.

It may be overkill for most people but I personally view just the springs as a bit of a halfed-assed solution.
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      12-24-2008, 05:21 PM   #10
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if it aint made by bmw. dont put it on ur bmw -0
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      12-24-2008, 05:32 PM   #11
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Quote:
Originally Posted by DR51FTA View Post
if it aint made by bmw. dont put it on ur bmw -0
There are plenty of good products from 3rd party vendors.
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      12-24-2008, 05:33 PM   #12
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Quote:
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There are plenty of good products from 3rd party vendors.
+1
H&R's been one of them
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      12-24-2008, 05:33 PM   #13
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Yeah but...that is how i feel about modifying bmw's
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      12-26-2008, 12:37 PM   #14
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Quote:
Originally Posted by DR51FTA View Post
Yeah but...that is how i feel about modifying bmw's
Better junk the OEM Sachs shocks, ZF gearbox, Seimens electronics, Eiesenmann exhaust...etc etc then !

Dont worry about it, stick with quality brands and good advice and enjoy your modding.

The car is built down to a price, all we are doing is putting good stuff back on there which BMW ought to have given us in the first place !

Yves
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      12-26-2008, 02:44 PM   #15
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Quote:
Originally Posted by DR51FTA View Post
if it aint made by bmw. dont put it on ur bmw -0
If H&R are good enough to supply and sponsor BMW, Porsche etc. in WTCC, Supercup and Le Mans then they are good enough for yours and every one elses BMW. Think you'll find most aftermarket quality brands supply OEM on performance parts any way.

You'll find Sach, Bilstein, Recaro, Thule, BBS, Cromadora, etc. etc. all supply OEM parts for BMW. Very few parts are actually made by BMW. They just develop in conjunction with third parties and then assemble.
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      12-28-2008, 08:57 AM   #16
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Quote:
Originally Posted by carrerarsr View Post

Fitted them myself. Did the front first. First corner took 1 1/2 hours as I took it steady. The second was less than an hour as I knew what to do. Same with the rears. First was and hour whilst the second was about 30 - 40 minutes. I reckon second time round I could do it in less than 3 hours. First time round I'd give yourself 5-6hrs to be safe.

Will post up some pics on the UK forum in the next couple of days.
Did you take notes on the factory torque settings for all bolts etc to be removed ?

I have a set of Eibach Prokit springs for my 335i but havent got round to fitting them yet.

Easy to do on your own given enough time ?

Yves
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      01-06-2009, 11:18 PM   #17
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Yea just print up a DIY here on e90post and get a Good spring compressor. Took a mechanic friend & I about two & a half hours using his lift, but would have taken Much longer if I had done it alone w/jack stands.
love my Eibachs.
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