Quote:
Originally Posted by 1spirit
The idea is to pour the least amount of money possible into this car. Those parts you mention are all nice to have but they are not necessary to match the 1M performance. Really, all that the 135i needs now is better brakes. Once it has the wider wheels up front, it will surpass the 1M on the track. And this is before adding a tune.
I know a fast driver in a 135i who upgraded to the M3 subframe/diff but unfortunately it didn't translate to any improvement on the track. The Quaife/Torsen is better than one may think. Plus no maintenance!
Personally, I'd rather save the money and spend as much as I can on driver improvement (coaching/education) and more seat time.
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It's a lot less expensive than you think. The whole front end conversion can be had <3k (very easy to DIY) and all the parts for the functional swap can be had for 3-4k off a wrecked M3 (not very easy to DIY). Sure it's still more money but it's a hell of a lot more car too.
As far as the saving money for driver mod is concerned, you're right. But you're far better off buying a cheaper car (miata, e30, brz, etc) and investing in safety equipment than tracking the 135i
Lockton track insurance will be cheaper too.