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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > Suspension | Chassis | Brakes > Anti-roll (Sway) Bars Options study
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      02-22-2019, 05:40 PM   #89
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Originally Posted by sspade View Post
Is it really a thousand dollar job to swap a rear bar on the F30 ?

Ive had an M240 rear bar in my garage for almost a year. Keep getting quoted stupid numbers to install so it keeps collecting dust.

It will be going on soon enough, just cant justify that money right now... especially not when Im in dire need of a Flash Tune
So it is impossible to get the rear bar out by just removing sway bar links and pulling it out the driver side?
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      02-22-2019, 07:46 PM   #90
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Quote:
Originally Posted by Insane435 View Post
Quote:
Originally Posted by sspade View Post
Is it really a thousand dollar job to swap a rear bar on the F30 ?

Ive had an M240 rear bar in my garage for almost a year. Keep getting quoted stupid numbers to install so it keeps collecting dust.

It will be going on soon enough, just cant justify that money right now... especially not when Im in dire need of a Flash Tune
So it is impossible to get the rear bar out by just removing sway bar links and pulling it out the driver side?
Yes. Impossible.

Trust me... equally surprised and frankly pissed.

Rear cradle must be lowered at least a few inches. Does not have to be completely removed... lines disconnected etc. Just lowered.

I have the 15mm bar in my garage. I just cant drop a grand on labor to have it installed!

Dealer actually quoted $9XX the first time and then $1,1XX this past time I asked.

It pays 5.5 hrs if I remember correctly. Im sure it can be done in 3 by the right guy with the right tools.
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      02-23-2019, 06:33 AM   #91
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Quote:
Originally Posted by sspade View Post
Yes. Impossible.

Trust me... equally surprised and frankly pissed.

Rear cradle must be lowered at least a few inches. Does not have to be completely removed... lines disconnected etc. Just lowered.

I have the 15mm bar in my garage. I just cant drop a grand on labor to have it installed!

Dealer actually quoted $9XX the first time and then $1,1XX this past time I asked.

It pays 5.5 hrs if I remember correctly. Im sure it can be done in 3 by the right guy with the right tools.
$550. for the rear bar install here in Brklyn. Look around, someone might want your money!

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      02-23-2019, 10:08 AM   #92
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Quote:
Originally Posted by sspade View Post
Yes. Impossible.

Trust me... equally surprised and frankly pissed.

Rear cradle must be lowered at least a few inches. Does not have to be completely removed... lines disconnected etc. Just lowered.

I have the 15mm bar in my garage. I just cant drop a grand on labor to have it installed!

Dealer actually quoted $9XX the first time and then $1,1XX this past time I asked.

It pays 5.5 hrs if I remember correctly. Im sure it can be done in 3 by the right guy with the right tools.
The reality should be 3 hours. Removing end links and axle back exhaust plus setup time should be like 30 mins. Then lowering cradle would be another 30-60min. Remove sway bar and install new one would be 30 ish i bet. Then to reinstall stuff 60mins seems fair.
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      02-23-2019, 05:50 PM   #93
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Quote:
Originally Posted by Insane435 View Post
Quote:
Originally Posted by sspade View Post
Yes. Impossible.

Trust me... equally surprised and frankly pissed.

Rear cradle must be lowered at least a few inches. Does not have to be completely removed... lines disconnected etc. Just lowered.

I have the 15mm bar in my garage. I just cant drop a grand on labor to have it installed!

Dealer actually quoted $9XX the first time and then $1,1XX this past time I asked.

It pays 5.5 hrs if I remember correctly. Im sure it can be done in 3 by the right guy with the right tools.
The reality should be 3 hours. Removing end links and axle back exhaust plus setup time should be like 30 mins. Then lowering cradle would be another 30-60min. Remove sway bar and install new one would be 30 ish i bet. Then to reinstall stuff 60mins seems fair.
I think you're damn near spot on....

Id love to find an honest indy who'd like to put $100 an hour into his pocket.

I dont believe that's wishful think or asking too much either.
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      09-13-2019, 11:34 AM   #94
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Quote:
Originally Posted by Lancelot View Post
Same here, I got the M135i bars on now, and very happy with the result; good compromise between firm and compliant.

By the way my H&R bars are for sale
(shipping to the EU - ridiculous shipping costs elsewhere)
Hi, I would like to get your opinion for sway bars. I have a 2012 bmw 335i RWD. So far I have H&R sport springs, B8 Bilstein shocks and M performance LSD. My car still have body roll when takes sharp turns.

I already ordered a 15mm 235i rear sway bar. What do you recommend for the front sway bar? Im thinking about H&R 28mm or m sport 25/22.2? Do you think there will be significant different between my 25/21.2 vs m sport 25/22.2?

Or if i go with 28mm h&r will it make more under steering? What are the setup you are using now?

Last edited by dulantha; 09-28-2019 at 10:00 AM..
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      09-17-2019, 03:32 PM   #95
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Definitely can add KC Design to the list as well, and I am now running their front and rear bars.
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      10-28-2019, 10:59 AM   #96
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I have a noob question: I am about to order the 15mm bmw rear sway bar. I looked at real oem and it shows 1 rubber bushing in the middle of the bar. Is this right? Aside from the bar, the only other piece we need is only 1 rubber bushing? How about the bracket that holds the bushing in place, is that the same size as the 12mm rear bar?

This is going on a 335ix, Dinan springs/shockware.
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      10-28-2019, 01:17 PM   #97
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Quote:
Originally Posted by pkiledj View Post
I have a noob question: I am about to order the 15mm bmw rear sway bar. I looked at real oem and it shows 1 rubber bushing in the middle of the bar. Is this right? Aside from the bar, the only other piece we need is only 1 rubber bushing? How about the bracket that holds the bushing in place, is that the same size as the 12mm rear bar?

This is going on a 335ix, Dinan springs/shockware.
Each bar needs two bushings, one for each bracket. You can reuse the original brackets.
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      10-29-2019, 08:45 AM   #98
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I had a shop install a rear sway bar on my xdrive at $100/hour but they discovered it didn't fit when it came time to reconnect the subframe. Super embarrassing seeing as how they were going out of their way for me, but the catalog had marked it wrong - it was by Megan racing. After taking to them they discovered they don't make a rear sway for an xdrive, even though they clearly advertised one. They refunded and I sold the bar to a rwd owner.


these look sick

https://carbahnautoworks.com/product...435i-440i-rwd/
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Last edited by floridaorange; 10-29-2019 at 06:35 PM..
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      12-02-2019, 11:22 PM   #99
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Anyone running superflex swaybar bushings and see an improvement?
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      12-03-2019, 12:01 AM   #100
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Quote:
Originally Posted by 52172 View Post
Anyone running superflex swaybar bushings and see an improvement?
I just got the 15mm bmw bar along with the stock bmw 15mm bushings. When I realized how squishy they are I started looking for poly bushings but I'm not willing to pay like $55 for the poly. I read some posts about poly vs rubber and from what I can gather the difference is minimal. This is my daily that's never tracked. I don't even drive hard.

By the way, can someone confirm the 15mm BMW bar works on an f30 335 xdrive with adaptive?
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