[tonyjcchen]

Hey guys, I just got a set of UUC front and rear sway bars but couldn't find any diy on the xi install. Anyone have one or know of a diy?

[tonyjcchen]

anyone?

[Antetokounmpo]

There's a few diys. Front is simple, rear you have to lower the subframe. It's really not that bad.

[tonyjcchen]

got my front and rear sway bars in! the front was really simple besides for this one bolt which took a while because there was barely any space to get it out. it was a 10mm bolt holding a bracket that was blocking the sway bar. the rear was a pita! dropped the subframe about 3 inches and it was the furthest i could get it to drop. also had to loosen the exhaust hanger bolts because the exhaust was preventing it from dropping more. the old bar car out easily but the new bar being so much thicker and all took forever to get in. but it was totally worth it saving about $500 in labor since I put them on myself. took about 9 hours tho. it mostly took long because i ran out of light and it was getting dark by the time I was putting everything back together. probably took about 2 hours to get everything back in and but the bolts were not matching up for the most part. other than that i never wanna touch the sway bars ever again lol

[Jeff@TopGearSolutions]

Curious where you ordered from? Thought UUC was on back order?

[ajsalida]

Good job OP, that rear bar is a bear.

[tonyjcchen]

i bought them new off a member on here. it was for sale maybe about a month ago? he got an m3 instead so i got lucky on them! cancelled my uuc order and picked them up from him instead

[Jeff@TopGearSolutions]

Originally Posted by tonyjcchen

i bought them new off a member on here. it was for sale maybe about a month ago? he got an m3 instead so i got lucky on them! cancelled my uuc order and picked them up from him instead

Ah ok. I was going to say! Been waiting for mine since May...

How does it drive, I was originally going with the Front bar only.

[tonyjcchen]

Originally Posted by Jeff@TopGearSolutions

Ah ok. I was going to say! Been waiting for mine since May...

How does it drive, I was originally going with the Front bar only.

its night and day difference man! i love it. no more body roll or anything during corners and feels like i can go on the twisties a lot faster than before since the car doesn't lean when i turn anymore. it was a pain to install but i am happy with them. i hear if you only do the front the car will get snappy and oversteer? but i get why you would want to only do the front haha. it only took like 20 mins to change the front bar.

[Jeff@TopGearSolutions]

Originally Posted by tonyjcchen

its night and day difference man! i love it. no more body roll or anything during corners and feels like i can go on the twisties a lot faster than before since the car doesn't lean when i turn anymore. it was a pain to install but i am happy with them. i hear if you only do the front the car will get snappy and oversteer? but i get why you would want to only do the front haha. it only took like 20 mins to change the front bar.

I'll probably end up doing the rear if the front is too much. Aside from the install being a pain, I like to change parts 1 at a time so I can notice the difference each has given.

I used to only do Rear Sway Bars to my FWD cars back in the day, typically too aggressive for the average Joe on the street, lots of oversteer with hard braking and weight transfer.

Right now, I'm just trying to get the front so when it's under compression the camber stays correct and it should provide better turn in, less understeer and less body roll. At least, that's what I hope.

The Xi is truly a sloppy platform compared to my E92 RWD.

[DoctoRx]

Originally Posted by Jeff@TopGearSolutions

Ah ok. I was going to say! Been waiting for mine since May...

How does it drive, I was originally going with the Front bar only.

I've got a set sitting in the living room with some F/R end links, RSBs and a BMS OCC, that came in on Friday. There's only one place I know that still has the sways in stock and they've only got one set left AFIK.

[Julian2485]

Originally Posted by Jeff@TopGearSolutions

I'll probably end up doing the rear if the front is too much. Aside from the install being a pain, I like to change parts 1 at a time so I can notice the difference each has given.

I used to only do Rear Sway Bars to my FWD cars back in the day, typically too aggressive for the average Joe on the street, lots of oversteer with hard braking and weight transfer.

Right now, I'm just trying to get the front so when it's under compression the camber stays correct and it should provide better turn in, less understeer and less body roll. At least, that's what I hope.

The Xi is truly a sloppy platform compared to my E92 RWD.

I have m3 rear swaybar and rsb and that made a huge difference on my e90 xdrive. I just ordered m3 swaybar bushing for my front oem bar. Will getting the uuc front really make a difference ? I use to put rear upgraded bars on my fwd cars to and that made it feel so much better lol

[Jeff@TopGearSolutions]

Originally Posted by Julian2485

I have m3 rear swaybar and rsb and that made a huge difference on my e90 xdrive. I just ordered m3 swaybar bushing for my front oem bar. Will getting the uuc front really make a difference ? I use to put rear upgraded bars on my fwd cars to and that made it feel so much better lol

The front is really the most important on the Xi for this platform. It's not the same as a FWD car where we are typically trying to induce over-steer.

The issue with the Xi is the front suspension geometry and all that extra weight in the front too. The FSB corrects a lot of that.

[Julian2485]

Originally Posted by Jeff@TopGearSolutions

The front is really the most important on the Xi for this platform. It's not the same as a FWD car where we are typically trying to induce over-steer.

The issue with the Xi is the front suspension geometry and all that extra weight in the front too. The FSB corrects a lot of that.

The uuc front bar is 25mm correct me if I'm and the oem bar is 26.5 mm so isn't our oem better because it's bigger ?

[Jeff@TopGearSolutions]

Originally Posted by Julian2485

The uuc front bar is 25mm correct me if I'm and the oem bar is 26.5 mm so isn't our oem better because it's bigger ?

Honestly I don't know the sizes off hand but sizes aren't the whole story.

A 25MM solid bar would be stiffer then a 26.5 Hollow bar, for example (assuming this is the case if what you say is true).

[Julian2485]

Originally Posted by Jeff@TopGearSolutions

Honestly I don't know the sizes off hand but sizes aren't the whole story.

A 25MM solid bar would be stiffer then a 26.5 Hollow bar, for example (assuming this is the case if what you say is true).

Ok got ya. I just ordered m3 front bushings for the bar to lol. But the uuc bar is on back order so I'll be fine for a real

[ajsalida]

Originally Posted by Jeff@TopGearSolutions

Honestly I don't know the sizes off hand but sizes aren't the whole story.

A 25MM solid bar would be stiffer then a 26.5 Hollow bar, for example (assuming this is the case if what you say is true).

The front OEM bar is also a stepped diameter, smaller diameter in the middle section than on the end. UUC bar is MUCH stiffer.

[tonyjcchen]

i felt like it was a huge improvement. looking to do the subframe bushings and m3 rear control arms next. maybe the manzo rear toe arm as well.

[Julian2485]

Originally Posted by ajsalida

The front OEM bar is also a stepped diameter, smaller diameter in the middle section than on the end. UUC bar is MUCH stiffer.

I'm def going to do the front uuc bar then when it becomes available

[Julian2485]

My car is lowered does anyone have a pic or anything of the proper orientation of the front xi swaybar my adjustable endlinks were rubbing against the axel

[ucdbiendog]

Originally Posted by Julian2485

My car is lowered does anyone have a pic or anything of the proper orientation of the front xi swaybar my adjustable endlinks were rubbing against the axel

even under stock suspension i kept the stock end links. I initially used the adjustable links, but they also rubbed, so i took them out. as far as stiffness goes, the torsional stiffness (compliance) of the sway bar drives the overall stiffness, not the endlinks.

[Julian2485]

Originally Posted by ucdbiendog

even under stock suspension i kept the stock end links. I initially used the adjustable links, but they also rubbed, so i took them out. as far as stiffness goes, the torsional stiffness (compliance) of the sway bar drives the overall stiffness, not the endlinks.

I have the sway bar angled upward to avoid the endlinks contacting the axels