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E90 M3 (Sedan) | E92 M3 (Coupe) | E93 M3 (Convertible) (2008-2013) {Engine: S65 - Max Hp: 414 hp (420 hp Euro) at 8,300 rpm / 295 lb/ft at 3,900 rpm}


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Old Fri, Oct-04-2013, 07:39:49 PM   #1
TO///M3
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Question Putting Springs on Stock Shocks

Hello,

My name is Thomas and maybe some of you have seen my other posts but i just bought a 2010 E92 M3. Ive been doing ALOT of research in this section of the forum to get a basic idea of what the "general" mods people do to these M's.

As i was looking for suspension, i feel like alot of people get springs and not full coilovers. So far, i like the ride of the stock suspension and this car is my DD and will probably never see track time, so i dont really need coilovers. But i do want to get a more aggressive stance without spending almost 2k on coilovers when i really just want the aesthetics...

Is there any issue putting lowering springs on stock stocks? I know its usually frowned upon and can damage the stocks... is it a different story for the E92 suspension? I have EDC by the way... Im looking at the RD Sport Springs http://www.pyspeed.com/RD-Sport-Spor...sport-8101.htm

Thanks in advance
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Old Fri, Oct-04-2013, 08:11:16 PM   #2
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Default Re: Putting Springs on Stock Shocks

Nothing wrong with putting springs on a car. It will decrease the life of the struts and the ride will be different. A lot of people run the RD's.

I currently run a KW sleeve over kit. In the spring I will be moving to the Ohlins R/T Coilovers.
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Old Fri, Oct-04-2013, 11:19:11 PM   #3
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Default Re: Putting Springs on Stock Shocks

H&R on EDC shocks here for about 2 years with no issue.
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Old Sat, Oct-05-2013, 01:26:10 AM   #4
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Default Re: Putting Springs on Stock Shocks

Don't waste your time with lowering springs. I have done this with 3 M cars and wish I would have never done it.

The problem is ALL springs leave the front with almost an inch of gap. To me that is unacceptable and looks bad. The Z4MC was really bad for this.

So do it right the first time and get coilovers. If you are on a budget then save some money and leave it stock until you get coilovers. You will be glad you did.

Good luck.
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Old Mon, Oct-07-2013, 05:24:18 AM   #5
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Default Re: Putting Springs on Stock Shocks

I like the Eibach pro kit springs I put on the E46. Slight drop (which may not do what you like) and progressive rate springs so your daily driver ride isn't atrocious. Not sure they make them for the E9x chassis though.
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Old Mon, Oct-07-2013, 02:05:50 PM   #6
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Default Re: Putting Springs on Stock Shocks

Quote:
Originally Posted by endlessNA2 View Post
Don't waste your time with lowering springs. I have done this with 3 M cars and wish I would have never done it.

The problem is ALL springs leave the front with almost an inch of gap. To me that is unacceptable and looks bad. The Z4MC was really bad for this.

So do it right the first time and get coilovers. If you are on a budget then save some money and leave it stock until you get coilovers. You will be glad you did.

Good luck.
It looks like the RD springs give a pretty aggressive drop and i really dont need the benefits coilovers give...

Im not going to track the car, and i dont really car about adjusting this and that, so the price difference in springs vs coils arent justified for me.

I really just want to make sure putting springs only wont mess up anything on my car, like blow my shocks out or ruin the EDC function.
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Old Mon, Oct-07-2013, 10:01:13 PM   #7
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Default Re: Putting Springs on Stock Shocks

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Originally Posted by TO///M3 View Post
It looks like the RD springs give a pretty aggressive drop and i really dont need the benefits coilovers give...

Im not going to track the car, and i dont really car about adjusting this and that, so the price difference in springs vs coils arent justified for me.

I really just want to make sure putting springs only wont mess up anything on my car, like blow my shocks out or ruin the EDC function.
Sounds like you have made up your mind. Adding springs won't mess up anything per-se, but they will likely lead to shocks losing a little bit of their life. The springs will make the ride slightly worse, and the function of the EDC will likely be affected though not such that it will completely defeat the functionality of the shocks. From what I understand, the changes from each setting to the next is less noticeable.

Coilovers are overkill for some people, but the advantage they offer is a set of dampers/springs that are designed to work together, like the OEM suspension. Many who install just lowering springs also install e36 bumpstops to restore some of the suspension travel lost when adding lowering springs.
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Old Wed, Oct-09-2013, 07:32:00 AM   #8
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Default Re: Putting Springs on Stock Shocks

Eibach springs with spacers looks very clean IMO...here is a pic of my car with Eibach Pro-kit and 15mm front / 12mm rear spacers...no rubbing issues at all!
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Old Wed, Oct-09-2013, 03:23:45 PM   #9
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Default Re: Putting Springs on Stock Shocks

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Eibach springs with spacers looks very clean IMO...here is a pic of my car with Eibach Pro-kit and 15mm front / 12mm rear spacers...no rubbing issues at all!
looks awesome man, i want a little more aggressive drop than the Eibach though, you think i would rub if i did 18mm front / 15mm rear with stock 19s?
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Last edited by TO///M3; Wed, Oct-09-2013 at 03:27:31 PM.
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Old Wed, Oct-09-2013, 09:25:28 PM   #10
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Default Re: Putting Springs on Stock Shocks

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Originally Posted by TO///M3 View Post
looks awesome man, i want a little more aggressive drop than the Eibach though, you think i would rub if i did 18mm front / 15mm rear with stock 19s?
I've never had any problems so I'm sure a couple extra mm's wont be too bad...maybe a slight rub when hitting a bump while turning
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Discussing Putting Springs on Stock Shocks in the E90 M3 (Sedan) | E92 M3 (Coupe) | E93 M3 (Convertible) (2008-2013) Forum - {Engine: S65 - Max Hp: 414 hp (420 hp Euro) at 8,300 rpm / 295 lb/ft at 3,900 rpm} at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)