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      09-24-2014, 03:16 PM   #1
Alpinef82
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H&R front and rear sway bars

Found this on tuner motorsport website ... H&R front and rear sway bars .. What is the stock size?
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      09-25-2014, 02:15 AM   #2
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Interesting. I still feel that the swaybars on this car is the last thing I would worry about. Maybe it's different when running slicks...
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      09-25-2014, 03:43 AM   #3
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Is installing the rear sway bar as PITA as the E92 was ???
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      10-06-2014, 06:44 PM   #4
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Is installing the rear sway bar as PITA as the E92 was ???
Yes, it is!
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      01-29-2015, 11:10 AM   #5
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Has anyone confirmed the OEM front sway bar specs? 30mm seems to a be large bar but the car is bigger. I took my M4 to thunder hill and notice a bit of body roll on front. I'm interested in the front bar for sure if its bigger and will help reduce that.. I have EDC and H&Rs.
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      02-04-2015, 03:52 PM   #6
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Quote:
Originally Posted by HP Autosport View Post
Yes, it is!
HP Autosport, do you know the stock sway bar (F & R) sizing in MM?
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      02-04-2015, 06:18 PM   #7
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HP Autosport, do you know the stock sway bar (F & R) sizing in MM?
No, we don't have that information. The next time our shop car is on the lift we will take a measurement.
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      02-12-2015, 11:47 AM   #8
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Just to add to this thread.

Springs, struts and shocks should be upgraded before sway bars. That said, sway bar does cost less and is much easier to install(with the exception of the rear bar).
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      02-12-2015, 12:40 PM   #9
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Quote:
Originally Posted by HP Autosport
Just to add to this thread.

Springs, struts and shocks should be upgraded before sway bars. That said, sway bar does cost less and is much easier to install(with the exception of the rear bar).
I have edc h&rs just wanted a little less body roll in the front back feels good
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      02-12-2015, 02:20 PM   #10
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veblen goods, priced for fools. the better part of a thousand dollars for two bendy bars of spring steel and four urethane bushings.

if you owned a vw golf, h&r would be selling you bars of similar size with lots of extra required pieces for about half the price.

Last edited by fourtailpipes; 02-12-2015 at 02:31 PM..
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      02-21-2015, 04:58 PM   #11
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26mm front
23mm rear
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      07-16-2017, 11:20 AM   #12
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Quote:
Originally Posted by Greg FEightytwo View Post
26mm front
23mm rear
Thanks ! These values are those of the "standard" BMW M4 or the one equipped with the competition package ?
The ETK references of the stabilizer bars are different with the competition pack... I suppose, therefore, that their diameter is increased.
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      07-16-2017, 11:39 AM   #13
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Quote:
Originally Posted by NightAngel View Post
Quote:
Originally Posted by Greg FEightytwo View Post
26mm front
23mm rear
Thanks ! These values are those of the "standard" BMW M4 or the one equipped with the competition package ?
The ETK references of the stabilizer bars are different with the competition pack... I suppose, therefore, that their diameter is increased.
these are upgrades to standard. mine are same diameter as gts 30mm / 25mm adjustable HR
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      07-16-2017, 11:58 AM   #14
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Quote:
Originally Posted by Greg FEightytwo View Post
these are upgrades to standard. mine are same diameter as gts 30mm / 25mm adjustable HR
OK !
I think to mount only the front bar (30mm), rear bar could cause motricity loss on bumpy roads.
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      07-16-2017, 04:08 PM   #15
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Quote:
Originally Posted by NightAngel View Post
Quote:
Originally Posted by Greg FEightytwo View Post
these are upgrades to standard. mine are same diameter as gts 30mm / 25mm adjustable HR
OK !
I think to mount only the front bar (30mm), rear bar could cause motricity loss on bumpy roads.
i would do both with dampers and aero the car stays super flat
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      07-17-2017, 10:02 PM   #16
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I have only front with H&R swaybar, the rear is stock bar, worked great so far.
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