BMW E46 PERFORMANCE // Dual Mass Flywheel Vs Single Mass Flywheel
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- čas přidán 24. 08. 2024
- What can you expect from upgrading the standard Dual Mass Flywheel to a lighter Single Mass Flywheel in your BMW E46?
As with any performance mod that you install on your BMW E46, there are Pros and Cons, so it is important to understand what the Dual Mass Flywheel does and why BMW uses a DMF, before upgrading to a Single Mass Flywheel (SMF) for your project.
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Man I just love how you explain things, reminds me of my grandad haha
That dual mass flywheel pays for the nice polished granite floors in the dealership.
Great video mate
I just replaced my E46 clutch and I went for SMF, sure shot.
Did you convert to your DMF to SMF?
@@rommelekstrom1973
Mate! You're replying a question to a comment, which literally answers your question. 🤦🏻♂️
Got a parts number? Need to replace mine, e46 318i with m43 engine, 5 speed manual
Shudders a lot?
Great explanation 💪💪💪
Hi there great video help. So a single mass steel flywheel for everyday driving would offer better drivability less chatter etc if Im hearing right Thanks in advance
I have a 6 speed zf swapped in to my e36, i used a lightweight aluminum single mass flywheel and a non-sprung 6 puck clutch along with 3.23 lsd in it. I don't daily drive that car and I tend to either stall it or spin the rear wheels trying to take off. even got pulled over for it once and i had to explain to the officer I typically don't drive it and its a very track oriented car. Luckly, he just let me off with a warning. I offered to let him drive it, but he declined lol. compared to my 6 speed e46 330xi I still have the stock clutch in it with stock 3.07 gearing but i do plan on going a little bit lighter single mass flywheel but with a sprung clutch and i have the 3.46 ratio differentials from a 325xi to go in it when i do so. hopefully compensate for the lighter flywheel and pick up more acceleration and get out of the hole faster. the e46 really has no issues as is just slowly letting out the clutch and idling Forword and I still like to be able to do that especially in stop and go traffic. there is no way I could do that in my e36.
Hey, I have recently bought 330xi, lmk what was your final upgrade on gearbox and what performance did you manage to suck out of it. G thanks
I installed a steel single mass flywheel on my E46 330Ci weighing 5,5kg (or about 12lbs) with a sprung clutch and it was the worst decision ever. Can't recommend it unless you put it on a track car. The noise the gearbox makes under load is insane. Some engine/transmission combinations can't deal with this modification as well as others. VALEO makes SMFs that are probably suitable for daily driving but are just as heavy as the stock DMF.
Great video man!
Fantastic video!
Hey a huge big 👍 really good video.
Saabs balance shafts in the 2,3 liter engine looks kinda cool now in retrospective,,, no need for dmf that fails,,, 😂
great video
Which is the right way side to fit the dual mass clutch plate.
Every one of these guys from downundah makes me want to move. I want to hang out at this dudes shop and just talk.
Mine dmf is probably shot and i will install M20 flywheel and clutch.
I'm ready to do a clutch job due to chatter on my worn spring dual mass flywheel in my 2004 325Ci 5 speed and Valeo makes a single mass conversion kit however it says it fits e46's built up to 9/2003. Mine was built 2/2004 so I'm still trying to figure out why Valeo says it won't fit since the 2003 and 2004 M54 2.5L and Getrag 5 speed are identical.
As long as its a m54 it should fit. If you got the time, space and maybe a different car for that time, take out the old parts and order the new ones to comparr them. If it doesnt fit refund it
Hey does anyone know where I can get some info on an e46 318ti swap with an m54b30? Looked around a lot but can't find if the manual transmission will fit on the 6 cylinder and if it does what parts will i be expecting to change. Really enjoy this car and don't plan to go through all the effort to fix it. Cheers
Can i convert Dual mass flywheel of grand starex to single mass flywheel
Do you have any recommendations for a good 6 speed sprung plate clutch to match a steel SMF?
It's not cheaper considering you have to buy the whole kit for this swap, and then god knows where to buy replacement clutch disks for your specific kit...
Hello, is it good to put on my bmw e46 318D.116KS single mass flywheel?
Link is broken :(
Pretty terrible explanation. I only sat through the whole thing to see just how many things he would pull out of his rear end. Vibration to the flywheel has nothing to do with cylinder firing order. It's from the basic fact that an engine works by putting torque on the output shaft 10s to 100s of times per second. The weight of the flywheel is there to turn that repeated hammering on the shaft into more of a smoother consistent rotation. Practically speaking the weight of the flywheel has no impact on horsepower whatsoever. When you reduce its weight, all you're doing is trading some smoothness for the ability of the engine to rev up and down more freely when not under load, which allows for quicker rev matching, meaning you can potentially save a fraction of a second between shifts. If you understand that is what you're getting, then yes consider replacing your flywheel. Just don't expect it to give you even a tiny amount of extra power magically out of nowhere.
you're mistaken. The engine power is a little bit lost because of flywheel mass when the engine rpm changes (in most of the time).
The torque transferred from the crank to the transmission is reduced because of the inertia of the flywheel. That's the basic stuff in dynamics.
@@kkkim8096 I'm not. Power is never "lost" in a mechanical system unless it is lost TO something. So where are the supposed losses from the flywheel going? To friction? To heat? The power temporarily stored in the flywheel doesn't just disappear. It goes to the same place it would be going if there was no flywheel there at all.
@@jiijijjijiijiij You misunderstand power and energy. Energy is not store only at "STEADY STATE". if rotational speed is changing in time, energy is spent to accelerate the flywheel mass.
The energy is not lost,but the kinetic energy of the flywheel is "increased!!!!!" That's the place where the additional energy is gone!
faster car depending on how much weight you reduce. but no extra horsepower dude. SMF on my Opel Astra turbo 2.0. a bit of extra noise and a somewhat noticeable vibration. So removing those kilos along with replacing hood with carbon fiber bonnet along with other weight reductions. No increase in ore horse power obviously but hell yea more speed.