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      08-06-2012, 10:46 AM   #1
Dmitry83
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E81- M3 E93 anti-roll bar and rear subframe bushings installed- REPORT!

Hi, everyone!



Finally got my order and installed the M3 "toys" on Friday, decided to give a car a couple of riding days to settle with the fresh rubber parts and to clearly examine the mod effect, having some in-town and a highway trips on different surfaces.

Now the effect- it is WHOW!!!

After istalling the KW V1 and readjusting the height three times, I've found the rather high setting, where there is a good balance between comfort and the response (Russian roads are a disaster, so are some highways, so significant spring travel is vital). That "high" setting definetely left the body-roll quite pronounced.

Then the E93 M3 anti-roll bar now keeps the car totally flat and lets to steer very aggressive, while the M3 bushings recomposed the rear suspension, making it solid and the steering crisp and responsive.

The 140+ speed is now an undesturbable straight flight, with a tight and one-move reaction to a steering, with a one-step lane change.

There is no understeer increase, that I could provoke with my 2-litre engine. More to say- the rear 255/35/18 (2,5psi) wheels are now even more playful at the cornering, while the front 225/40/18 (2,2psi) inner is significantly more aggressively biting the tarmac.

The conclusion is this $800 (including labour) mod is a fantastic improvement and worth every penny and 1 1/2 months waiting!

Thank you very much to all having told your impressions on the similar modifications before!

Great forums, great people- regards!



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      08-06-2012, 12:03 PM   #2
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do you have the m3 front and rear anti roll kit installed?
or just the front?
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      08-06-2012, 12:10 PM   #3
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did you end up using OEM/stock bushings for the Front subframe in e81?

Perhaps some time from nowyou an get e81 front rear-subrame bushings from http://www.powerflex.co.uk/
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      08-06-2012, 01:23 PM   #4
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Quote:
Originally Posted by AnooooOH View Post
do you have the m3 front and rear anti roll kit installed?
or just the front?
Just the front, and it seems to be enough to flatten the cornering, while leaving some flexibility at the rear, leaving the driving wheels more independent.
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      08-06-2012, 01:26 PM   #5
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Quote:
Originally Posted by andrey_gta View Post
did you end up using OEM/stock bushings for the Front subframe in e81?

Perhaps some time from nowyou an get e81 front rear-subrame bushings from http://www.powerflex.co.uk/


Yep. The OEM ones from M3.
Thanks for reminding on the Powerflex- used their front suspension bushings on my former E46 330i- very good.
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      08-06-2012, 09:00 PM   #6
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I think the only other alternative to Powerflex would be the expensive BMW Race bushings. They probably transmit more noise/road feel and not as comfortable.

These places may offer more ideas
Babybmw.net
1erforum.de use Google translate )


if you ever decide to get m3 rear arms or rear sway, it bar could be a good time to finish the bushings.


Do you think that the rear subframe bushings would work with just stock suspention? Roads in Canada still get bumpy
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128i Sport 6MT converted to Euro 130i spec, 3.73 diff, tuned by evolve ~220 whp 207 wtq(ft-lb) SAE
In-progress: //M front arm, M3 rack, e36M lip Wishlist: Coils, n55 mnts, headers, LSD, e60 finn diff


"The 1-series is the last car that BMW engineered before the Germans, as a car-making culture, fell out of love with driving." - R&T 2013 135is

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      08-06-2012, 09:48 PM   #7
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Quote:
Originally Posted by DmitryT View Post

First of all, ATTENTION TO A HATCHBACK OWNERS:
The FRONT M3 bushings of the rear subframe DO NOT FIT the hatchback- the subframe sockets have another shape and the body is different, where the wishings fit.
what do you mean they don't fit? everyone on babybmw has no trouble fitting them in - especially since the E81/87 (87 for sure i know) suspension setup is identical, same with the E9x non-m setup.

there's evn been some E87 owners over here who have done the full setup.

ED: are you E81 (3dr hatch) or E87 (5dr hatch)? also, you know you can make the stuff at the bottom of your post a permanent signature in your profile, instead of having to copy and paste it in right?

even the powerflex part number is identical for all 1/3 series front bushings for the rear subframe.

Last edited by flinchy; 08-06-2012 at 09:54 PM..
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      08-07-2012, 03:29 AM   #8
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Quote:
Originally Posted by andrey_gta View Post
I think the only other alternative to Powerflex would be the expensive BMW Race bushings. They probably transmit more noise/road feel and not as comfortable.

These places may offer more ideas
Babybmw.net
1erforum.de use Google translate )


if you ever decide to get m3 rear arms or rear sway, it bar could be a good time to finish the bushings.


Do you think that the rear subframe bushings would work with just stock suspention? Roads in Canada still get bumpy

I'm sure, it will, because my girlfriend's '10 E87 118i just got the Eibach Pro-Kit, which turned out to be incredibly comfortable and planted, improving the handling way from what it was, and the same rear bushings + E92 M3 anti-roll bar will be the next mod. Then- Koni FSD to follow.
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      08-07-2012, 03:36 AM   #9
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Quote:
Originally Posted by flinchy View Post
what do you mean they don't fit? everyone on babybmw has no trouble fitting them in - especially since the E81/87 (87 for sure i know) suspension setup is identical, same with the E9x non-m setup.

there's evn been some E87 owners over here who have done the full setup.

ED: are you E81 (3dr hatch) or E87 (5dr hatch)? also, you know you can make the stuff at the bottom of your post a permanent signature in your profile, instead of having to copy and paste it in right?

even the powerflex part number is identical for all 1/3 series front bushings for the rear subframe.

Got a E81 3-door.

That is strange. There is an M-Technic stock suspension, and I suspect the subframe could be different.
Anyway, I would like to check again myself at another service-shop if it is true, or they just did not want to mess with the subframe detatch.
More to that- I should check if the partnumber of the front bushings is correct.
Regarding the babybmw- I've searched a lot at the time of ordering, having found nothing exact on these bushings fitment on E81/87- the E82 reports only.
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      08-07-2012, 04:46 AM   #10
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Now checked all the partnumbers- the subframe and the bushings are all the same on M-Technic and not-M, the rears bushings are installed correctly.

Tomorrow will force the servicemen to try again with the front bushings.

(While the situation is unclear, I removed the warning with the hatchback fitment, as it is a fitment mistake obviously).
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      08-07-2012, 05:04 AM   #11
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Quote:
Originally Posted by DmitryT
Now checked all the partnumbers- the subframe and the bushings are all the same on M-Technic and not-M, the rears bushings are installed correctly.

Tomorrow will force the servicemen to try again with the front bushings.

(While the situation is unclear, I removed the warning with the hatchback fitment, as it is a fitment mistake obviously).
You shouldn't have to tell them, but just in case --

The rear subframe has to be dropped to press in the front ones as they go in from the TOP, where the rear ones press in without dropping it

I'm guessing that's where they went wrong?

Also apparently after install your suspension will sit 2-3mm higher

I'm currently tossing up between powerflex full replacement bushings and m3 ones. I've had urethane before and i like the ride comfort, plus it's a little stronger... And same price or so.. Just never really heard of the company lol
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      08-07-2012, 08:18 AM   #12
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there is a thread here, which has DIY tools to press out the front bushings.

And yes everyone sais that front are annoying. even for e82

I will try to find thread: here it is
http://www.1addicts.com/forums/showthread.php?t=321954

Good luck, bring some Nemiroff to seal the deal
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"The 1-series is the last car that BMW engineered before the Germans, as a car-making culture, fell out of love with driving." - R&T 2013 135is

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      08-07-2012, 09:36 AM   #13
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Quote:
Originally Posted by andrey_gta View Post
there is a thread here, which has DIY tools to press out the front bushings.

And yes everyone sais that front are annoying. even for e82

I will try to find thread: here it is
http://www.1addicts.com/forums/showthread.php?t=321954

Good luck, bring some Nemiroff to seal the deal

Thanks a lot- great link also in terms of the camber/toe settings- way to think on!

PS

Noted on Nemiroff- will be ready for your visit to Russia!
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      08-07-2012, 09:41 AM   #14
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Quote:
Originally Posted by flinchy View Post
You shouldn't have to tell them, but just in case --

The rear subframe has to be dropped to press in the front ones as they go in from the TOP, where the rear ones press in without dropping it

I'm guessing that's where they went wrong?

Also apparently after install your suspension will sit 2-3mm higher

I'm currently tossing up between powerflex full replacement bushings and m3 ones. I've had urethane before and i like the ride comfort, plus it's a little stronger... And same price or so.. Just never really heard of the company lol

How about you refer to e9x m3 forums and see if there are any reviews of upgraded/after market sub-frame bushings
EG: http://www.m3post.com/forums/showthread.php?t=696371
Bushings
http://www.akgmotorsport.com/catalog...ion%2FBushings

PS: BMW makes Race bushings, Turner sells them at 800 for the whole set :S
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128i Sport 6MT converted to Euro 130i spec, 3.73 diff, tuned by evolve ~220 whp 207 wtq(ft-lb) SAE
In-progress: //M front arm, M3 rack, e36M lip Wishlist: Coils, n55 mnts, headers, LSD, e60 finn diff


"The 1-series is the last car that BMW engineered before the Germans, as a car-making culture, fell out of love with driving." - R&T 2013 135is

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      08-07-2012, 09:45 AM   #15
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Quote:
Originally Posted by flinchy View Post
You shouldn't have to tell them, but just in case --

The rear subframe has to be dropped to press in the front ones as they go in from the TOP, where the rear ones press in without dropping it

I'm guessing that's where they went wrong?

Also apparently after install your suspension will sit 2-3mm higher

I'm currently tossing up between powerflex full replacement bushings and m3 ones. I've had urethane before and i like the ride comfort, plus it's a little stronger... And same price or so.. Just never really heard of the company lol

There is a special tool required- I will hardly find it here- will check at the official BMW dealer, but even if they will do, they'll definitely ask for $300 lobour.

Think of the Powerflex inserts for the front bushings support.


PS


Regarding my girlfriend's car- ordered:
- rear pair of M3 bushings
- M3 (E92, not the E93 as mine set) roll-bar bushings (two pairs of halves) and a pair of alloy brackets- will try to use the standard bar, as it is the same 26,5mm thick to play from less and to understand the effect of those.
And if that car will need to reduce roll further after the Eibach Pro-Kit will completely settle- to buy and to install the E92 bar additionally is a piece of cake.
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      08-07-2012, 09:48 AM   #16
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Quote:
Originally Posted by DmitryT View Post
There is a special tool required- I will hardly find it here- will check at the official BMW dealer, but even if they will do, they'll definitely ask for $300 lobour.
The thread I gave you on page 3 has DIY solution to the tool.

Maybe try calling a larger BMW center for other quotes?

Quote:
- M3 (E92, not the E93 as mine set) roll-bar bushings (two pairs of halves) and a pair of alloy brackets- will try to use the standard bar, as it is the same 26,5mm
Keep us updated!!

Only a few people have mentioned this before. Stock bushings are waaay soft
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      08-07-2012, 10:00 AM   #17
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Quote:
Originally Posted by andrey_gta View Post
Keep us updated!!

Only a few people have mentioned this before. Stock bushings are waaay soft
By the way, the E93 bar with its bushings had removed at last that clanking sound from the front, when one wheel hitted a sharp bump when turning- that sounded very much like the worn camber plates, and I could not have managed to catch that weird noise during A YEAR, neither the servisemen of three workshops!

Seems the stock roll-bar bushings were slightly loose, and the bar was trembling inside or something, as the end bolts were tight and checked regularly.

Same noise she has on her E87 118i at the moment, but much less- think the overally softer suspension with stock (until the new Koni Sport on sale at our market) shocks and Eibach Pro-Kit springs with a softer Conti Sport Contact 3 (215/45R17 all round) hides this week part.

Will do the research, as it is very interesting to me how to improve the stock hatch with a minimal budget- here is a lot of that cars 116i/118i/120i (a few 130i), several of my friends own as well.
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      08-07-2012, 10:13 AM   #18
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As for mine car- the next, and hope, the finalising mod will be the M3 lower wishbones, and that's enough for this engine.

Next step is another car- E92 330i probably, as 335i is an excessive beast for our disastrous roads and the speeding penalties- no sence to keep higher road tax and issues with turbo/fuel pump etc.

More to that, I'm so addicted to the naturally-aspirated engines...
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      08-07-2012, 10:14 AM   #19
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I like the minimal budget part
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      08-07-2012, 10:33 AM   #20
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Quote:
Originally Posted by andrey_gta View Post
The thread I gave you on page 3 has DIY solution to the tool.
Now I've looked through the page 2 and 3- there the guys use the screw-tool with the piece of tube to press the bushing out.

How tight will it be to insert the M3 one there from the top?
What about the increase height of the bushing and a different top pitch?

PS

Found out the Powerflex has the PFR5-419 cheap inserts for the front bushings- GBP 42 with the worldwide free-delivery makes this interesting decision for the 118i then!
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      08-07-2012, 11:50 AM   #21
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if powerflex full replacement is not much more expensive then press in, it may be the better choice
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"The 1-series is the last car that BMW engineered before the Germans, as a car-making culture, fell out of love with driving." - R&T 2013 135is
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      08-07-2012, 05:18 PM   #22
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Quote:
Originally Posted by andrey_gta
if powerflex full replacement is not much more expensive then press in, it may be the better choice
Powerflex full replacement is something like $200-$250 usd from memory
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