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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 02-22-2013, 08:02 AM   #1
Jocke_from_Sweden
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Join Date: Nov 2008
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My Ride: 325 Touring -02
What parts for m20 flywheel/clutch conversion on m54?

Hello!

What parts do I need for a m20 flywheel/clutch converison on a 325 Touring -02 (M54 engine)?
Is all bolt-on? Or do I need to modify anything?

Im so tired of my stock dualmass flywheel and thinks this is the cheapest solution for a dailydriven car

Kind regards from Sweden!
//Jocke
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Old 02-23-2013, 10:28 AM   #2
lcoleman
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Why not the Valeo single-mass flywheel conversion? I don't think the m20 parts are really desirable, or offer any great advantage. I'm also not sure the input shaft splines are the same.
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Old 02-24-2013, 04:25 AM   #3
Jocke_from_Sweden
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Cant get that in sweden. And order from the states gets so expensive with taxes and delivery costs :-/
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Old 02-25-2013, 02:07 PM   #4
TerraPhantm
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Don't think it'd be worth it. Based on what it takes to use an m20 flywheel on an m50, you'd need to run an m20 starter -- who knows if that'd fit on an m54. M20 starter is also pretty weak compared to more modern ones. Beyond that, the m20 clutch has nowhere near the capacity of an m54 clutch.

I can't find much info on it, but an e28 flywheel might work
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Old 02-27-2013, 08:22 PM   #5
Eurofreak13
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An e28 flywheel might work huh? Would that be a single mass 83 528e flywheel that works with an m54 & it's starter?
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Old 02-27-2013, 09:22 PM   #6
Iceman00
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Go home E30, you're drunk.
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Old 02-27-2013, 09:23 PM   #7
Iceman00
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Oh...you have an E46. Well nevermind.
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Old 02-27-2013, 10:00 PM   #8
Eurofreak13
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Spoken like a true r3vlimited member! Haha care to explain why that flywheel wouldn't work in an e46?
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Old 02-28-2013, 09:38 AM   #9
GGray
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Works fine...

You need the following

E30 or e28 flywheel, machine the weighted ring off back on E30, E28 528's have the ring off, so do E30M3's, they all use the same basic flywheel.
E30M3 clutch kit
E30 euro 323 throw out bearing
E30 starter


Bolt in for a LTW steel single mass flywheel...

V 2.0

E28 535i flywheel (240mm)
E34 M5 clutch disk, pressure plate T/O bearing
E36 ring gear to press on flywheel
stock starter.
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If you can take it apart you can make it faster

Last edited by GGray; 02-28-2013 at 09:39 AM.
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