is the rear sway bar off of a coopers with the ss suspension a larger diameter than the base s rear bar??? any help with this would really help.....thanks all you kind cooper people....oh and HAPPYMINICRUSIN
:smile:

 

As far as I know the Sport suspension plus option is only for the MC and not for the MCS.

The MC (MINI cooper) has a less stiff stock suspension.
Adding the SS+ option (sport suspension plus) increases stiffness by replacing the springs and rear swaybar that are similar but not identical to the stock suspension of the MCS (Cooper S).

The MCS only comes with one suspension but the actual springs are choosen at the factory based on the options on the car. Things that weigh more require springs that have slightly higher ratings. (edited).

 

not quite minihune

Cooper:
standard Sport Suspension
optional Sport Suspension Plus

Cooper S:
standard Sport Suspension Plus
no optional suspension

 

:smile: thanks for your help looks like h-sport time......:smile:

 

how do u know if you have the sports suspension? I dont know what my mini came with...

 

There are indeed several suspension levels as described in the above posts. I really believe, however, that there are only two different size rear sway bars, 15MM which is standard MC and 16MM which is everything else.

The "sportier" suspensions simply increase spring and shock rates while leaving the rear bar diameter the same. Increasing spring rates on an axle increases stiffness of that end of the car just as stiffening the sway bar does.

If you have an MC with standard suspension you can verify this with a vernier caliper measurment of the rear sway bar. It will be 15MM.

Good luck,

 

Measure your front bar diameter.

Front Bar:
One 16mm 31 35 6 757 071 w/ bushing 31 35 6 757 069
One or Cooper with SS 22.5mm 31 35 6 757 072 w/ bushing 31 35 6 757 146
Cooper or MCS with SS+ 24mm 31 35 6 758 301 w/ bushing 31 35 6 758 302

Rear Bar:
Cooper or MCS with SS+ 17mm 33 55 6 754 819

 

I can confirm from direct measurement that the stock rear sway bar from my MCS is 17mm diameter and not 16mm.

 

Thanks for the clarification. I stand corrected.

I will now head for the shop and see if the spare S bar that I have is 16 or 17 MM.

Have a great day,