I purchased a lightweight aluminum flywheel from clutch masters a couple months ago and ended up not using it because I am going to swap my engine instead. It weighs 9lbs, is brand new and comes with new flywheel bolts as well. The stock dual mass flywheel weighs about 27lbs so this is a third of that. Fits an e30 or e36 m42 with A/C. Retains stock starter and clutch assembly. I bought it on a Black Friday deal for $525 and I'm asking $420 OBO. This is a super good deal because on turner these cost $630 and it saves you the hassle of making a 325 flywheel work with your starter and clutch.