Alluminum Flywheel vs. Stock Flywheel

Hey everyone. I am in the process of swapping in a tranny from a 98 M3 into my 325is. It's in the shop right now and in the process of having the tranny swapped, I am also replacing the clutch with an M3 clutch and the stock flywheel with a lighter alluminum (this flywheel weighs 10 lbs as opposed to the stock 25.5 lbs of the stock flywheel) I was wondering what causes the "clicking" noise with the alluminum flywheel. Also, does anyone here know if flywheels wear out? Also, with these parts, I would have quicker acceleration, correct? I am also aware of the fact that I would be getting more horsepower to the rear wheels since with the engine has less rotational weight, ect.. anyone know how much hp this clutch might add? Thanks, brohams.:flash:

I used to own a 2.0 litre Si(twin cam) Honda prelude, and fitted a Aluminium flywheel to it while I was also fitting a turbo charger to the engine.
So unfortunately don't know the difference it made to horsepower at the wheels,
but the aluminium flywheel certainly lets the engine rev a lot quicker. Which helped give the car stunning take-off and pickup when my foot was asking for it!

Not sure about your clicking noise.
The ring gears can wear out eventually.
Both the ring gear and the face where the clutch plate runs are still both steel, so in theory should last just as long as the original items.

Cheers,
Rossco
1996 E36 320i
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