Lightened/Single-Mass Flywheel and Clutch

Ed Doe

Active member
Hi All,

Does anyone have any direct experience fitting a lightened single-mass flywheel & Clutch to their M?

I'm looking at stuff I need to sort out this winter, and wondering if the whole rear end is apart it's just easier/sensible to get the clutch sorted at the same time...

Cheers in advance,

Ed
 
I don't have any experience with lightened flywheels on the S54, so can't help you much. But I did come across this reel on Instagram that makes one very appealing, the OP was also happily answering questions in the comments.

https://www.instagram.com/reel/DKNP6heR2T1/?igsh=MTFqdGxseWZzdXd5Mw==

Just general comment about straight 6s: very long crank so harmonics are very important. Keep an eye on that bottom end if you change anything on the rotating assembly.
 
Gday Ed,

ive got that JB kit installed in my car, ive done prob 4 track days in it before i took the car off the road. Its a nice kit, easy to live with , just do your due dillenge on the part numbers, when i ordered mine back then , they sent me the clutch kit for the e46 m3 combines with the z4m jb race flywheel.. obviously that was a frikking drama.. pro's or cons, depending what you like, the car will sound like an old school Duke, rattling at idle.. (i personally I like that, others hate it, too bad for them :thumbsup: )

Much quicker pickup than the stock set.

But, ive already got a different setup sorted for when this clutch plate goes, and it will go.. It gets punished quite a bit using autoblip.

i bought this last year,

https://tiltonracing.com/product/bmw-clutch-flywheel-assemblies/
and then select the 2 plate e46 M3 version.

prob a bit harder to live with, (its on/off) but much much more better, esp now the car is SCed.
 
lucasxdiniz said:
I don't have any experience with lightened flywheels on the S54, so can't help you much. But I did come across this reel on Instagram that makes one very appealing, the OP was also happily answering questions in the comments.

https://www.instagram.com/reel/DKNP6heR2T1/?igsh=MTFqdGxseWZzdXd5Mw==

Just general comment about straight 6s: very long crank so harmonics are very important. Keep an eye on that bottom end if you change anything on the rotating assembly.
That is indeed epic :evil:
 
I run a sm flywheel with oe clutch and it’s quite civil. I’ve been in cars where it sounds like a bag of nuts and bolts were thrown in a blender lol. Mine is nothing like that. Key is to find a steel flywheel that’s lighter than stock but not so light like aluminum.
 
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