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      04-11-2011, 08:51 PM   #1
crex
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1M suspension on a 135?

Is anyone going to try and swap the 1M springs and dampers onto their 135i? anyone know if they will fit?
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      04-11-2011, 09:49 PM   #2
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Quote:
Originally Posted by crex View Post
Is anyone going to try and swap the 1M springs and dampers onto their 135i? anyone know if they will fit?
The 1M suspension is from the M3's. I dont think it will fit but someone else might know for sure. Since the chassis and suspension on the 1M are directly from an M3, I would say no.

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      04-11-2011, 10:27 PM   #3
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Quote:
Originally Posted by ferrari4evr1 View Post
The 1M suspension is from the M3's. I dont think it will fit but someone else might know for sure. Since the chassis and suspension on the 1M are directly from an M3, I would say no.

The 1M has some M3 components, but it does not have the M3 chassis.
It's not a smaller M3.
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      04-12-2011, 05:44 AM   #4
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Quote:
Originally Posted by RPM90 View Post
The 1M has some M3 components, but it does not have the M3 chassis.
It's not a smaller M3.
It's been discussed all over the 1M forum that the 1M does in fact have the M3 chassis shortened 3". There is a youtube video discussing it as well- The Daytona race. It basically has the M3 chassis (shortened 3 "), M3 suspension, M3 brakes and rotors, M3 wheel (competition package wheels) and tire package. So, yes, a smaller M3

Look at 1:20 into this video

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      04-12-2011, 06:05 AM   #5
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Quote:
Originally Posted by ferrari4evr1 View Post
It's been discussed all over the 1M forum that the 1M does in fact have the M3 chassis shortened 3". There is a youtube video discussing it as well- The Daytona race. It basically has the M3 chassis (shortened 3 "), M3 suspension, M3 brakes and rotors, M3 wheel (competition package wheels) and tire package. So, yes, a smaller M3
I wonder what RPM90's respons on that one will be
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      04-12-2011, 09:16 AM   #6
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Quote:
Originally Posted by ferrari4evr1 View Post
It's been discussed all over the 1M forum that the 1M does in fact have the M3 chassis shortened 3". There is a youtube video discussing it as well- The Daytona race. It basically has the M3 chassis (shortened 3 "), M3 suspension, M3 brakes and rotors, M3 wheel (competition package wheels) and tire package. So, yes, a smaller M3
Additionally, Dr Segler specifically described the 1M as "a Competition Package M3 on a truncated wheelbase."

And the pieces will fit on the 135. All the parts are available at HP Autowerks.
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      04-12-2011, 09:51 AM   #7
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Quote:
Originally Posted by Red135 View Post
Additionally, Dr Segler specifically described the 1M as "a Competition Package M3 on a truncated wheelbase."

And the pieces will fit on the 135. All the parts are available at HP Autowerks.
That reminds me of what someone once called my 135. They described it as a "335 SWB" (short wheelbase) model.
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      04-13-2011, 04:26 PM   #8
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Somewhat related. I saw on the 2012 135i performance suspension. I wonder if it is the same as the 1M.
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      04-13-2011, 04:31 PM   #9
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Somewhat related. I saw on the 2012 135i performance suspension. I wonder if it is the same as the 1M.
You can stop wondering. It is not the same.
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      04-13-2011, 04:51 PM   #10
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Quote:
Originally Posted by Red135 View Post
Additionally, Dr Segler specifically described the 1M as "a Competition Package M3 on a truncated wheelbase."

And the pieces will fit on the 135. All the parts are available at HP Autowerks.
The don't sell the springs and dampers. I have the front control arm kit and I know I will need the rear kit but what about those springs and dampers?? Will they fit?
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      04-13-2011, 05:14 PM   #11
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The M1 chassis may be a shortened M3 but are you saying that the 128/135 chassis are different than the M1? That's hard to believe. Set up differently, sure, but stamped from the same press.
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      04-13-2011, 05:21 PM   #12
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Quote:
Originally Posted by kgaler View Post
The M1 chassis may be a shortened M3 but are you saying that the 128/135 chassis are different than the M1? That's hard to believe. Set up differently, sure, but stamped from the same press.
If the 1M has an M3 chassis, how can it not be different from the 128/135? They don't have an M3 chassis.
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      04-13-2011, 05:22 PM   #13
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Quote:
Originally Posted by crex View Post
The don't sell the springs and dampers. I have the front control arm kit and I know I will need the rear kit but what about those springs and dampers?? Will they fit?
Ask Harold at HP Autowerks. He is very familiar with the suspensions.
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      04-13-2011, 05:26 PM   #14
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Quote:
Originally Posted by RPM90 View Post
The 1M has some M3 components, but it does not have the M3 chassis.
It's not a smaller M3.
"The most important step in the compact BMW Series 1 was the decision to adapt the extremely agile chassis of the BMW M3."

Quoted from BMW m-power.com site.

http://www.bmwblog.com/2011/02/20/pa...at-high-speed/
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      04-13-2011, 10:38 PM   #15
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Quote:
Originally Posted by kgaler View Post
The M1 chassis may be a shortened M3 but are you saying that the 128/135 chassis are different than the M1? That's hard to believe. Set up differently, sure, but stamped from the same press.
How can people STILL not get this?? It's been discussed for months. The 1M is almost totally different to the 135 under the skin. It has different dimensions in all directions for heaven's sake!!
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      04-14-2011, 12:11 AM   #16
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Quite a bit of work has been done over on E90 post working out the M3 suspensions. Depending on your $$ threshold you can convert most all of the 135/335 suspension over to the M suspension. That said the M3 Dampeners/Springs are not the end all be all. Plenty of options out there which could outperform stock m bits. Just visit the M forum and read for yourself.

The real question should be why? For the E9X it's about the difference between normally aspirated and forced induction. With the 1m it seems a no brainier. You want m performance then get a 1m, it will be cheaper.
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      04-14-2011, 02:22 AM   #17
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Quote:
Originally Posted by crex View Post
Is anyone going to try and swap the 1M springs and dampers onto their 135i? anyone know if they will fit?
Back to the OP - the M3 control arms, springs and dampers fits the 135i so the 1M should. However, the 1M has different spring rates to the M3 so it will have a different outcome I suppose.

The 1M has the front and rear subframe of the M3. Which is much more than just the spring and dampers. However, since the M3 bits was able to dial out a lot of unwanted understeer the 135i has, I would assume 1M bits would do the same too.
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      04-14-2011, 09:43 PM   #18
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Quote:
Originally Posted by ferrari4evr1 View Post
It's been discussed all over the 1M forum that the 1M does in fact have the M3 chassis shortened 3". There is a youtube video discussing it as well- The Daytona race. It basically has the M3 chassis (shortened 3 "), M3 suspension, M3 brakes and rotors, M3 wheel (competition package wheels) and tire package. So, yes, a smaller M3

Look at 1:20 into this video
Wow, thanks for that.
I was under the impression that the 1M was a 1 series chassis with M3 sub frames, suspension and steering components.

The video says, "essentially", so for the most part the 1M seems to have much in common with the M3.
But, I wonder what "essentially" means? IOW, what are the differences?
I haven't read as much on the 1M as some of you, but I clearly missed that.
Can you point me to an actual technical review of this information?
Much appreciated.

Last edited by RPM90; 04-14-2011 at 10:27 PM.
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      04-15-2011, 12:19 AM   #19
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Re "essentially" - it's shorter, so it's obviously not *exactly* the same
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      04-15-2011, 12:38 AM   #20
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Originally Posted by clived View Post
Re "essentially" - it's shorter, so it's obviously not *exactly* the same
I get the notion from that video and other things I've read that it's not just that it's shorter.
I read a good bit about the M3 bits put on the 1M, but not so clear that the 1M is simply the whole M3 chassis just shrunk a bit.

That could be, but do you have something I can read that states and supports that it's the whole M3 chassis only shorter?

If it's only shorter, then it could easily be said that it's exactly the same "only shorter". I don't see a shortened chassis being termed "essentially".
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      04-15-2011, 12:48 AM   #21
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If you put all of the M3 suspension bits that are in the 1M on a 135 it means you'll have to widen the wheel arches as well, then you have to change the flywheel, get a different steering rack, not to forget a LSD and maybe some new seats, chances are when you're done it would have been cheaper to buy a 1M in the first place.

I'm sure with the right careful selection of mods upgrading the drivetrain and the suspension of a 135 you could end up with something close enough to a 1M, and if you already have a 135 maybe that's cheaper to do than selling it and trying to get a 1M but you probably would have to be very good at picking those after-market parts and end up with a package as good or as well matched as what the M engineers ended up with in the 1M, they after all had the luxury of being able to try any existing part in the M catalog bolting it on go for a day lapping the ring, record the lap times and then trying the next part, etc... until they got to the 'right combination'.
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      04-15-2011, 01:48 AM   #22
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Quote:
Originally Posted by RPM90 View Post
If it's only shorter, then it could easily be said that it's exactly the same "only shorter". I don't see a shortened chassis being termed "essentially".
That would however be nonsense in English. Either it is exactly the same or it isn't. As we know it isn't, the word exactly cannot be used. It's like saying something is "fairly unique".
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