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10-27-2008, 07:46 AM | #1 |
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H&R Sport Springs Rates...firmer than OE??
Question for the gurus out there.
Looking at the H&R Sport springs as a nice way to drop the car slightly and add a bit more firmness to the ride. Question, are these H&R sport springs a higher spring rate than the OE 135 sport spring? Reason I ask, looks like H&R has been producing these springs since 2005/2006. So their target cars would have been the 118, 120, 123s of Europe which have the very soft spongy suspension. (Pre 135 Coupe) So following that logic, there is a chance the H&R sport springs are not as firm as the 135 OE sport springs? Anyone know more on this? Thanks. Mark M |
10-27-2008, 08:20 AM | #2 |
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The H&R Sport Springs that are specced for the e82/e87 were originally created for the e90. I bought them for my old e90, when the springs were first announced. I was going to purchase them for my e82, and realized it is the same part number... So, taking your logic into account, and the e90 being heavier than the 1 series....
H&R is quite secretive as to the actual spring rates, but I can tell you that now that they are installed in my 135i, they are stiffer than the stock springs. They are not jarring, but they are stiffer. |
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10-27-2008, 08:29 AM | #3 |
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Thanks Larry for the comments. So based on your personal experience, sounds like you would recommend them for a car intended for enthusiastic street driving? Or would you suggest I look at other products?
I have my e30 M3 with H&R Race springs, Bilsteins, and Big bars as my track toy. And I have my e36 running Ground Control coil overs with Koni SAs which has awesome feel. However, for the 135, I don't intend to track it right now, more of a daily driver / back road sprinter. Thanks. |
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10-27-2008, 10:37 AM | #4 |
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Ideally, I'd prefer coilovers or matched springs/struts, but the drop that the Sport springs give me (or the H&R OE Sports) are not so drastic as to warrant a strut replacement due to the decreased travel (IMO).
I find it perfectly acceptable for the street. |
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10-27-2008, 01:53 PM | #6 |
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Yes, they definitely are firmer but not over the top. I really like the set up with stock shocks for now and have tracked the car a lot. I do not think you will be disappointed.
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10-27-2008, 03:11 PM | #7 |
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Agreed. Springs are okay on stock shocks but they will cause them to go out quicker (how quick is dependent on how aggressive the springs are as well as how aggressively you drive). If you have the budget I would recommend going with either coilovers or shocks/springs combos. This will save you on installation down the road.
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10-27-2008, 07:17 PM | #8 |
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I made an overview of lowering springs: BMW 1 Spring Guide
I have not been able to find any spring rates, maybe because the springs are progressivly wound, and thus have not one spring rate.:iono: Lowering springs without a stiffer rate would bottom out and make the ride horrible and possible dangerous. German made springs comply with very strict TUV regulations, so I wouldn't worry.:smile: |
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