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Go Back   E46Fanatics > Tuning & Tech > Suspension & Braking

Suspension & Braking
Have some questions about suspension or brake setups for your E46 BMW? Get all your answers here!

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Old 01-22-2013, 07:35 AM   #1
trentcdrums
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UUC springs, stock shocks-- BUDGET

Okay, I have me 323i with 168,000 miles on it. I'll prob get a no, but can I just put in the 1.5" UUC springs? I don't care about a crazy bad ride, just as long as it doesn't screw with my car.

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Old 01-22-2013, 07:55 AM   #2
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You'll blow them out in short order, but no, it isn't technically dangerous. It is a stupid thing to do.
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Old 01-22-2013, 08:00 AM   #3
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Bet they're blown anyway.
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Old 01-22-2013, 08:38 AM   #4
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Haha probably! What are some good shocks for a bang for the buck?
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Old 01-22-2013, 08:49 AM   #5
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Bilstein Sports, Koni Yellow, and I think Sachs (the OE supplier) makes some heavier-duty ones that may work with stiffer springs. I wouldn't mess with anything else.
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Old 01-22-2013, 09:05 AM   #6
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Bilstein Sports, Koni Yellow, and I think Sachs (the OE supplier) makes some heavier-duty ones that may work with stiffer springs. I wouldn't mess with anything else.
Can I keep my struts or do those need to go?
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Old 01-22-2013, 09:25 AM   #7
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http://m.******************.com/deta...QKY343352.html cheap much? Lol
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Old 01-22-2013, 09:28 AM   #8
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your struts/shocks are blown probably 3x over. try Bilstein HDs and H&R OE sport springs if you want a stockish ride. or bilstein sports & H&R is what i have
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Old 01-22-2013, 09:41 AM   #9
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If your shocks/struts were anything like mine at 153k miles they are toast.
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Old 01-22-2013, 09:44 AM   #10
trentcdrums
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If your shocks/struts were anything like mine at 153k miles they are toast.
I ride rough so I'm. Thinking the same
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Old 01-31-2013, 03:10 PM   #11
Rob Levinson * UUC Motorwerks
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I'd really like to ask all E46Fanatics to help in dispelling a persistent internet rumor:

Changing to performance or lowering springs DOES NOT BLOW OUT SHOCKS.


Any shock that is neither compressed to the point of bottoming out, nor hyper-extended beyond normal maximum length, is working within original design standards and is unaffected by your choice of spring.

In fact, a performance spring that is stiffer makes the OE shock work less, and would actually prolong it's life.

So why does this rumor persist?
It's a simple problem of mistaking correlation for causality. Most people changing just springs are doing so on a budget, and usually after their car has quite a few miles already. Considering that OE BMW shocks typically have a maximum lifespan of around 70K miles before performance drops off, changing out the springs at 50K miles means that 20K miles later, your shocks have died - as they would have no matter what.

The response is "OMG, I installed these springs and my shocks blew out 20K later!" Well, that's correlation in terms of mileage, it happened soon after. But it's not causation - time caused the death of your shocks, not the springs.

For a person looking for cosmetic lowering and sportier handling without having the harsh ride of a race suspension, using OE shocks and a good Sport spring is an excellent way to accomplish those goals without spending a lot of money.
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Old 02-04-2013, 01:55 PM   #12
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I've had UUC springs with stock shocks/struts for over 20k miles no problems at all. Perfect amount of drop.
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Old 02-04-2013, 02:34 PM   #13
Alex323Ci
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Quote:
Originally Posted by Rob Levinson * UUC Motorwerks View Post
I'd really like to ask all E46Fanatics to help in dispelling a persistent internet rumor:
Changing to performance or lowering springs DOES NOT BLOW OUT SHOCKS.
Any shock that is neither compressed to the point of bottoming out, nor hyper-extended beyond normal maximum length, is working within original design standards and is unaffected by your choice of spring.
think it's worth noting the fine print to that statement which is the most important part which i think most understand. that a shock that is compressed to the point of bottoming out, (or hyper-extended beyond normal length) is affected by that spring choice.
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