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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > XI owners...What suspension setup can we do?



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      04-19-2006, 08:05 PM   #1
coupedupcivic
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XI owners...What suspension setup can we do?

Hey Xi owners... I had a few questions. I have a 325xi and want to throw on oem zsp springs from a 325i. Can I do this without harming my AwD operation? What have you guys done so far?
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      04-19-2006, 08:29 PM   #2
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Hey coupe...isn't the reason they don't offer zsp springs as part of the sport package because there isn't enough room (transfer case)?
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      04-19-2006, 09:05 PM   #3
coupedupcivic
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Thats what I've heard...which sucks cus now Ill have to deal with a x5/e90 car forever.
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      04-19-2006, 09:16 PM   #4
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I just talked to this guy whos gonna sell me his zsp springs for 200 bucks. I dont know what to do cus that is a great price... should I risk it or not?
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      04-19-2006, 09:52 PM   #5
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Quote:
Originally Posted by coupedupcivic
I just talked to this guy whos gonna sell me his zsp springs for 200 bucks. I dont know what to do cus that is a great price... should I risk it or not?
Dude..I dont think that's gonna work

didn't H&R had springs for the XI?
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      04-20-2006, 07:35 AM   #6
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why wouldnt it work?
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      04-20-2006, 09:14 AM   #7
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Quote:
Originally Posted by coupedupcivic
why wouldnt it work?
Different suspension setup in the front due to the the driveshaft

I don't think the "XI" and "I" share too many parts of the front suspension. So the geometry will be different and a the required spring rates and shock damping to get the ride and height right will be different.
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      04-20-2006, 04:40 PM   #8
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Quote:
Originally Posted by ska
didn't H&R had springs for the XI?
yes, and coilovers on the way... that's what I'll be going for.
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      04-20-2006, 08:07 PM   #9
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i guess Ill have to wait for coilovers...what company is making the coilovers?
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      04-21-2006, 10:02 AM   #10
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Here is a link to get H&R springs for the e90XI. I have delt with this shop before. They are very good.....here is the link.....


http://www.creativeautoworks.com/sto...oducts_id=3016
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      04-21-2006, 01:27 PM   #11
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Quote:
Originally Posted by coupedupcivic
i guess Ill have to wait for coilovers...what company is making the coilovers?
H&R, Tein, some others I'm sure... oh... for the XI specifically, only H&R has a part number, but no product yet... Check out the major suspension manufacturers' websites to see if they're working on anything.
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      04-21-2006, 04:10 PM   #12
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I dont understand how zsp would affect the awd but h&r springs wouldn't? They both will drop the car and have less ground clearance... Wouldnt zsp be safer since its oem?
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      04-21-2006, 09:11 PM   #13
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FYI, H&R has an MSRP up for the coilovers, 1580.
Re the no OEM, there's more than just height in a spring-> I wouldn't do the ZSP springs if the factory doesn't. I wouldn't want to be stuck with the repair bill. Note, the H&R 330i and 330xi springs have different part numbers (there's a reason).
Consider calling up H&R and ask one of the tech guys about what testing has been done, what issues they have been apprised of, and the like with the XI; there may be some enlightening info. Maybe they can help us better understand what drove the factory away from adding springs to the XI.

I'm probably unnecessarily cautious about lowering the car, but, I don't want to be the guinea pig. I'm waiting to see if the L8(something) guy adds the H&R and if there are any problems.
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      04-22-2006, 01:48 AM   #14
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I would not recommend ZHP OEM springs either. The spring rate is different because the non 4wd car has no extra drive parts in the front end and the subframes are lighter being that hey are not steel. Not to mention the front struts I'm sure are different. Dampening for sure and maybe even dimensions. Get someting that was specifically designed for the XI. I'm wiating for the H&R springs to come available.
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      04-29-2006, 04:17 PM   #15
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what is the latest?
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      04-29-2006, 07:46 PM   #16
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I was planning on calling H&R and Turner to see what was the latest. The week ended to quickly.
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      05-02-2006, 12:25 PM   #17
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Ok, the latest on the H&R sport spring end is that they are still in development. They said I could check back in two months, though.
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