Question regarding 128i suspension upgrade

[Aaron09128i]

I've been looking around the forum for awhile looking for info on upgading the suspension on my 128i coupe.

I've pretty much settled on Koni FSD's with Eibach Pro-kits and an E93 M3 front sway bar.

My question is this: Considering my 128i did not come with the sports package, would it be necessary to get a rear sway bar for this combo? If so, would an E92 M3 bar at the rear be a better setup than the E93 M3?

Thanks in advance.

[Aaron09128i]

I should probably add that I don't plan to track the car. I simply want less body roll and more confidence-inspiring handling, while keeping the relatively neutral handling.

[Don335xi]

I would say start with your Koni FSD's with Eibach Pro-kits and an E93 M3 front sway bar, see what you think and if you feel like you need more then order up the rear one. Sounds like it should be plenty tight the way your doing it, but everyone likes their car a little different.

[cpt97m3]

Originally Posted by Don335xi

I would say start with your Koni FSD's with Eibach Pro-kits and an E93 M3 front sway bar, see what you think and if you feel like you need more then order up the rear one. Sounds like it should be plenty tight the way your doing it, but everyone likes their car a little different.

I agree with that approach, but the M3 rear bar really needs a LSD. You are probably OK with the FSDs and springs though.

[Greenkirby21]

i think someone said the M3 rear was too thick for the rear. Try getting the sport suspension one.

[szcyxzh]

Throw a set of coilover and upgrade to m pkg's rear sway bar. Since you have to drop the rear to install the sway bar, would suggest install the rear bushings at the same time. E93 front sway bar and front control arm kit are good investment as well. will cost you a few since you do not have sport pkg and for cosmic, may consider the performance bumps as well.

[ulrichd]

Originally Posted by Aaron09128i

I've been looking around the forum for awhile looking for info on upgading the suspension on my 128i coupe.

I've pretty much settled on Koni FSD's with Eibach Pro-kits and an E93 M3 front sway bar.

My question is this: Considering my 128i did not come with the sports package, would it be necessary to get a rear sway bar for this combo? If so, would an E92 M3 bar at the rear be a better setup than the E93 M3?

Thanks in advance.

I've had that exact setup on my 09 128 for over 2 years now and I am still happy with it. If you are not going to track the car it's the perfect street setup. Look in the FS section for a stock 135 rear bar to add later if you think you need it.

[Aaron09128i]

Thanks for the input everyone.

I think I'll stick with the FSD's w/ pro-kits and the E93 FSB.

As far a the bump stops, where can I get those?

[szcyxzh]

if you are going to do the front end, consider do the front control arm kit as the same time. more neg f camber, and better steering responses, worth the extra bucks i feel.

which bump stops are you talking about?

[Aaron09128i]

I must have misunderstood you. When you referred to performance bumps, that's what came to mind (bump stops).

As far as the front control arms, from my experience (although not with BMW's) lowering springs cause a bit of neg. camber on their own. From what I've read in here, the front control arms simply add a little neg. camber. Are there other benefits?

I'm a little concerned with tire wear, so what kind of front neg. camber can I expect with the front control arms and the drop from the Pro-kits? I would hope not more than -1.0 to -1.5 degrees.

[Riley1524]

Originally Posted by Aaron09128i

I must have misunderstood you. When you referred to performance bumps, that's what came to mind (bump stops).

As far as the front control arms, from my experience (although not with BMW's) lowering springs cause a bit of neg. camber on their own. From what I've read in here, the front control arms simply add a little neg. camber. Are there other benefits?

I'm a little concerned with tire wear, so what kind of front neg. camber can I expect with the front control arms and the drop from the Pro-kits? I would hope not more than -1.0 to -1.5 degrees.

I think the addition of the M3 front control arms would be a good edition as well. They would create a little more negative camber, but not enough to be an issue. As everyone else is suggesting, do the springs, FSD's, M3 sway and M3 arms and go from there.