BMW 1-Series Forum (F20) 135i - 1Addicts.com > Second Generation 1 Series Forum > 2012 BMW 1-Series Sporthatch (F20) Discussion > Difference between M and M-Performance suspension?
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      04-24-2013, 09:18 AM   #1
MaximDM
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Difference between M and M-Performance suspension?

Hi everyone!

Is there a big difference between a M-suspension or a M-Performance suspension?



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      04-24-2013, 09:45 AM   #2
peanut125i
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10mm lower, probably harder ride.
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      04-24-2013, 11:44 AM   #3
MaximDM
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Thx peanut125i

Has somebody maybe a photo to compare?
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      04-24-2013, 04:34 PM   #4
Madgambler
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Proper M cars are pretty stiff/harsh all the time but with their trick LSDs can power out of corners brilliantly even in the wet. If you like that then great and good for you. Couple that with low profile tyres and you get superb flat cornering on the track but a broken spine on your daily commute. M-Performance is more forgiving but at the cost of a bit of roll in the corners and an electronic diff that will tend to cut power rather than let you drift. Personally I've tried both and I prefer a ride that's firmer when I want it to be but soft enough not to need a chiropractor, so I'm pleased with the latter. Have to add that I think the dynamic chassis settings on my M135i could still be a bit stiffer in Sport and Sport+ though ; )
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      04-25-2013, 01:41 AM   #5
ovekvam
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Quote:
Originally Posted by Madgambler View Post
M-Performance is more forgiving but at the cost of a bit of roll in the corners and an electronic diff that will tend to cut power rather than let you drift.
The e-diff does not cut power. It only brakes the spinning wheel, feeding the power to the other side. This is also called torque vectoring. Compared to a mechanical differential, it is not as responsive. It feels a bit like the viscous LSD types.
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      04-25-2013, 03:06 AM   #6
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Differences

M Performance uses different dampers and damper rates, different anti-roll bar, different springs length and rates and different bushes.

The result is to make the car less skittish on uneven road surfaces while at the same time achieving less steady state body roll...in summary, the car sways less and feels smoother and more compliant on poorly surfaced roads

Last edited by SteveC; 04-25-2013 at 07:30 AM..
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      04-25-2013, 05:00 AM   #7
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I stand corrected. Nevertheless to me it 'feels' like power delivery has been interrupted in a different way than a mechanical diff and that feeling can be a little off-putting and unpredictable.
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      04-26-2013, 12:26 AM   #8
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Thanks everyone!

So does it also mean that it'll lower the car?

There is a difference in hight between normal and M-suspension but is there then also a difference in M and Performance?
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      05-11-2013, 03:40 PM   #9
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Quote:
Originally Posted by MaximDM View Post
Thanks everyone!

So does it also mean that it'll lower the car?

There is a difference in hight between normal and M-suspension but is there then also a difference in M and Performance?
Yes.

IF you have the M suspension you only need the schock and the springs.

IF you have the stock/normal suspension you will need new stabis/rollbar.

IF you have adaptive suspension you cant fit M Performance suspension.
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