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E46 Xi Forum
The E46 XI was produced from 01-05 in sedan and touring body styles. Powered by either a 2.5L inline 6 in the 325xi or a 3.0L inline 6 330xi. Discuss all thing about BMW AWD E46 'Xi' here.

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Old 06-02-2011, 09:17 PM   #21
Gottalovethexi
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KW V1s for 40,000 miles and going strong. Lifetime warranty too. Without my badge and without knowing the car, no one knows it's an xi.
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Old 06-02-2011, 11:59 PM   #22
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^^ haha i ran about 10k on my fk's no issues to me excapt people always gave me a weird look when they see the 325xi badge, i rock it proud! lol
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Old 06-03-2011, 09:35 AM   #23
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I really don't understand why people say that the CV joints will fail. From a design standpoint a CV joint will transfer the same amount of load no matter what the orientation is. And, from a suspension standpoint, the CV joint doesn't see any load other than torsion. The main cause of failure is a failure of the boot which loses lubrication and breaks the joint. Keep the boots in good shape and you'll be fine.

On the flip side, "slamming" a car will have more damage to the suspension mounts and that sort of thing because of the stiffer spring rates and much harsher forces there.
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Old 06-03-2011, 11:21 AM   #24
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Quote:
Originally Posted by SamDoe1 View Post
I really don't understand why people say that the CV joints will fail. From a design standpoint a CV joint will transfer the same amount of load no matter what the orientation is. And, from a suspension standpoint, the CV joint doesn't see any load other than torsion. The main cause of failure is a failure of the boot which loses lubrication and breaks the joint. Keep the boots in good shape and you'll be fine.

On the flip side, "slamming" a car will have more damage to the suspension mounts and that sort of thing because of the stiffer spring rates and much harsher forces there.
Besides turning it into a snow plow in the winter & underside damage from bottoming out.
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Old 06-03-2011, 12:43 PM   #25
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Besides turning it into a snow plow in the winter & underside damage from bottoming out.
Yea with the awd, its a great plow! its got the traction to move the snow too! There are plenty of cars around that sit just as low as me and they are stock. My buddy's saab 93 aero actually is the same ride height as mine and he has a lip that makes his front clearance even lower. (completely stock btw)
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Old 06-03-2011, 01:26 PM   #26
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KW V1s for 40,000 miles and going strong. Lifetime warranty too. Without my badge and without knowing the car, no one knows it's an xi.
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Old 06-13-2011, 05:56 PM   #27
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im confused, some people have been slammed for 40k with no problems and others are saying its going break?
in my opinion if i only have to change the cv once a year to be slammed ill be happy!!!
evo's , sti's , s4 are awd and most of them are slammed !?!
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Old 06-20-2011, 03:53 PM   #28
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^^ ??
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Old 06-20-2011, 04:21 PM   #29
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im confused, some people have been slammed for 40k with no problems and others are saying its going break?
in my opinion if i only have to change the cv once a year to be slammed ill be happy!!!
evo's , sti's , s4 are awd and most of them are slammed !?!
Keep the CV boots in good order and you'll be fine. The only thing to worry about when you "slam" a car is the change in how the chassis handles the forces. When you lower it significantly, you have to increase the spring rates because you have to accomodate the reduced suspension travel while still supporting the vehicle. Because of this, more force is transferred to the shock mounts/shock towers because the springs are not absorbing as much of it. So be sure to consistently check those items for wear and/or failure.

Also, lowering a car just for looks isn't going to automatically give you spectacular handling. An auto maker spends countless hours of engineering time in chassis and suspension dynamics to tune a specific suspension to a specific chassis in order to guarantee that it will work, work well, and work safely for thousands of miles. I can assure you that many, if not all, aftermarket companies do not invest nearly as much time into a project that an automaker will and I can guarantee that you won't either from a suspension tuning standpoint. Racing teams who use upgraded suspension components also invest that time to tune the new suspension for the appropriate use.

With that said, "slamming" a car is not impossible and chances are that it won't destroy your suspension/drive train. But you are drastically changing the suspension dynamics of your car and you should be aware of how those changes will alter the behavior and characteristics of how the car drives.
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Old 06-21-2011, 11:06 PM   #30
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thanks for the info samedoe1. I'm not going to track the car and i understand that slamming the car is not going to make it handle like a track car but i really do love turning corners quick. To be honest i want to do it more for looks then anything else.
before i bought my xi i was daily driving a 5.0 mustang on drop springs which means i can almost live with any ride quality.... (sad to say i would rate it a 2 some guys rate the xi ride quality a 5 but i would rate it an 8) Im also thinking the best thing would be to change to polyurethane bushing on everything and maybe shorter ends links. where can i find these parts for an xi

most people think it was a bad idea to get an awd but it was the best bmw i could get for the money a had...
i think of it as, at least ill buy name brand coilovers, and not get pulled into running raceland or rokkers on a bmw lol

Last edited by ibrm155; 06-21-2011 at 11:10 PM.
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Old 06-22-2011, 07:40 AM   #31
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most of the things you are looking for can be found at turnermotorsports.com. They will have adjustable endlinks, xi suspension upgrades, poly bushings, and rear shock mounts
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