So I've decided I won't have the cash for some springs and shocks/struts and sway bars. I'm going for koni adjustable struts and shocks, and then upgrade the sways to tab mounted with a 25 mm in the front, and 22 mm in the rear.
Should I get struts for a M3, or struts for a pre 10/91 325? Will the M3 ones fit? I'm looking for them to be stiffer, so won't the ones for the M3 be stiffer than for the 325?
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25F/22R will actually either produce more understeer or give you more neutral handling compared to stock. The 25mm front strut mounted sway will make the front end VERY stiff. I'd recommend an adjustable bar for the front to dial out understeer. Where are you getting the 22mm rear from?
If you get the M3 strut hats the M3 struts will fit no problem. However, I don't know if the 325 springs will fit with the M3 struts. I'd just get the 91/10 ('92) Bilstein SP struts. The 325 dampers should be beefy enough. Since you're going with KONI's though you can always increase the front end stiffness. Anyways, keep in mind KONI has 3 years warranty whereas Bilstein has lifetime. I only bring this up because Bilstein has always been really good with warranty replacements. I've had damaged shocks returned to me within 1-2 weeks. I race my car at the track and occasional auto-x, I have to replace my Bilsteins approx. every 2 years.
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Originally posted by Kevin325i@Jun 20 2004, 10:36 PM Stiff and sporty, but while still maintaining the factory springs. I think the sports are the way to go, if they're compatable with the stock springs.
My budget isn't set yet, but for sure I want to save that extra 250 or so from a set of springs right now. I want the sports so I can upgrade later to some eibach pros.
Pretty much, however much money I have after saving for the next month and a half.
from what I remember from bavarian autos catalog, the sports are for lowering springs, and the heavy duty is for stiffer than factory ride, and the touring is for the like factory ride. I think that's how they described it. So if your going with stock springs do the heavy duty, If you might be lowering the car.. I'd wait and do it at the same time and get the sports.
They are made for shorter springs. hmmm.... too tired for this but I will try. The sports are made so that there is less travel, they prolly also don't expand as much. If you use your regular shocks with lowering springs, the strut is always compressed some what and gets less help from the spring as it compresses. So your shocks will blow a lot quicker. If you are going to lower the car get sports. If not get heavy duty. Thats what they are designed for. If you were going to lower the car, but don't have the money to do it right now, but will for sure soon. Then get the springs first, and blow these shocks and then get the sports.
edit: shit just realized I explained it for regular with lowering springs.... if you use the sports on the regular spring the shock will be more expanded then what it's designed for. Now realistically I can't say exactly what would happen, but I don't see the strut performing as well as the heavy duty would, or as the sports would with lowering springs. when I'm more awake I'll try at this again if need be.
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