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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 12-24-2009, 06:19 PM   #1
Sebastian C.
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e46 sport suspension vs Stock Suspension

Hi to all, please i want know how much drop sport springs vs OEM non sport springs on a e46.

Thanx
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Old 12-24-2009, 06:25 PM   #2
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I believe it's like .5-.75".
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Old 12-24-2009, 06:26 PM   #3
Sebastian C.
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Thanx a lot.
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Old 02-09-2010, 11:44 AM   #4
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Can you install non-sport springs on a car that came with sport springs? Yes right? Just checking the obvious...
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Old 02-09-2010, 01:28 PM   #5
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yes you can, most try to get the ZHP sport springs since they drop even a little more, I think another .25"
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Old 02-09-2010, 02:50 PM   #6
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When I swapped my non-sport suspension for sports, this is what I saw

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so 2004 bmw's dont come with a diff?
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Old 02-09-2010, 03:40 PM   #7
David F
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I did the change from normal to sport and I remember the drop being on the order of about 1" to 1.25"
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Old 02-10-2010, 07:28 PM   #8
silentak1
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I'm actually thinking of raising my car to the highest available OEM spring (which would be the non-sport I guess).

I encounter too many steep driveways in LA...

Thanks for the confirmation!
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Old 02-10-2010, 07:30 PM   #9
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15mm, .6 inches
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Old 02-10-2010, 08:26 PM   #10
shadyb421
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any way to get some ssprings that are gonna get that hideous front end lift that my non-sport e46 has... if theres no option im probally gonna go with the eibach sportline springs
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Old 02-10-2010, 08:32 PM   #11
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Quote:
Originally Posted by Hrvat View Post
When I swapped my non-sport suspension for sports, this is what I saw

It would be really nice if someone could post a similar comparison with non-sport, sport and ZHP springs side by side.
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Old 02-10-2010, 08:35 PM   #12
shadyb421
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wait so you can swap out springs for non-sport springs for like lower oem springs that were on a 330 or a zhp?
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Old 02-10-2010, 08:35 PM   #13
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wait so you can swap out springs for non-sport springs for like lower oem springs that were on a 330 or a zhp?
Yes.
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Old 02-10-2010, 08:57 PM   #14
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not sure if zhp springs are a different size i think the spring rates are little stiffer though.
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Old 02-10-2010, 09:36 PM   #15
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Hope this is not a thread hijack, but I have a noob question.

I have the window sticker that came with my '06 330Ci. It lists having the Sport package, with wheels, tires, and seats (no mention of different springs).

To me this car looks lower than some other E46's driving around. Does Sport package always mean lower springs too?

Thanks
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Old 02-10-2010, 09:47 PM   #16
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Yes and stiffer shocks/struts.
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Old 02-10-2010, 09:48 PM   #17
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Quote:
Originally Posted by shadyb421 View Post
any way to get some ssprings that are gonna get that hideous front end lift that my non-sport e46 has... if theres no option im probally gonna go with the eibach sportline springs
From my research, eibach springs are 0.5" lower on than OEM sports springs. My sports package is already too low. There was a few times when I bottomed out on an entrance to a shopping center When I am changing my shocks, I'm reusing the springs. It is hard enough to get a floor jack under it even with a low profile jack.

Quote:
Originally Posted by SDKmann View Post
It would be really nice if someone could post a similar comparison with non-sport, sport and ZHP springs side by side.
+1

@Hrvat: Thanks for the picture with that...I always wondered what was the difference.
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Old 02-10-2010, 10:05 PM   #18
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Would it be a problem or issue if I use my current H&R shocks/struts and install OEM non-sport suspension? I currently have the H&R Touring or Sport springs installed.

Just wondering if the shock/strut would have an issue because it's now "compressed" further OR if for some reason this combination is not compatible.
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Old 02-10-2010, 10:07 PM   #19
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Quote:
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@Hrvat: Thanks for the picture with that...I always wondered what was the difference.
Just want to add this. Pictures of uncompressed springs only tell half the story. Depending on the spring rate, the compressed lengths can be different between to the two. So the difference between uncompressed lengths will not be the same as the difference in ride height of the car.
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Old 02-11-2010, 04:34 PM   #20
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4 bilstein sport + H&R Race Spring Sets ( Approximate Lowering, 2.0 Inch Front, 1.4 Inch Rear ) + Racing shock mount = The way its have to be!
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