[BryanF30]

I am looking to upgrade my clutch. I will be getting tuned on my stock turbo for now, but eventually plan to move to pure s2. Just on pump gas and will upgrade the lpfp as well. I researched a ton and it seems that basically all of the pp and flywheel options for the e9x platform are a direct fit to the f30 n55. Difference being the flywheel bolt pattern.

Anyways, I found a southbend clutch, rated "conservatively" at 500tq, im assuming at the crank.
https://www.ecstuning.com/b-south-be...t/k03099ssokt/

My other considerations so far have been the 335is clutch, but sort of crossing that off the list

and Spec s3+ with Mfactory SMFW.

It seems like with pure s2, ~500wtq is common for pump gas, but then I see people running the 335is clutch claiming no problems. Leading me to believe the southbend would also be fine. In a perfect world the spec seems the best, however they are the most hated clutch brand outside of the bmw / american muscle world I feel due to hit or miss quality. Any thoughts? Anybody running pure s2 with some miles on their clutch want to chime in with their setup? Thanks

[mike@x-ph.com]

As long as you use a conservative map with less than 500 wtq you should be good.
If you dont, the clutch might work for some time but eventually it will fail

[BryanF30]

Originally Posted by E36graduate

Which MFactory SMFW will fit f30 335 ???

The 6 bolt one

[BryanF30]

Originally Posted by E36graduate

Thanks but their website doesn't list any f30 flywheels?


What did you decide on for your set up? Did you install yourself or bring it to mechanic? I've got a reputable garage and friend that can do the hard stuff while I help.

The flywheel carries over from the e9x. And I just left it stock. Went with the Enzo flash tune and didn't have any clutch problems yet. But also just sold the car.