Lightened flywheel / 5 speed conversion

I decided to swap from the 6 speed gearbox to a 5 speed and whilst doing so, also decided to replace the flywheel from the dual mass unit to a solid steel one. There is a weight saving to be had and I also felt my 6 speed was on the way out as there were a few funny noises. The 6 speed weighs 47kgs and the 5 speed 40kg's.
The new flywheel and clutch weighed 13.2kg's and the old setup was 16.2kgs so a total saving of 10kg's by fitting the lighter flywheel/clutch and the 5 speed box.
The M20 engine with its gearbox weigh 225kgs and the s50 and 6 speed weighed 270kgs so with these new additions it should now weigh 260kgs. (enough of these boring stats)

The clutch is from a e34 M5 and uses a sprung clutch disk to reduce gearbox chatter, I probably could have saved more weight if I'd gone for a different setup, but I want to use this on sunny weekends as well as track days so there was a compromise.