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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > a couple new parts being installed



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      05-13-2010, 04:19 AM   #1
jpsimon
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a couple new parts being installed

spec stage 3 clutch and aluminum flywheel. I'll post up a video after it's installed for those interested in the chatter

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      05-13-2010, 05:08 AM   #2
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Dang, I am shocked you chose SPEC with all the problems the forum has had. Maybe they are working to make things better? Good luck and I am looking forward to seeing how things go for you!
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      05-13-2010, 06:12 AM   #3
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The people doing the install have done tons of SPEC clutch installs with zero issues. I'm not worried at all.

I'll keep folks updated either way.
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Last edited by jpsimon; 05-13-2010 at 06:56 AM.
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      05-13-2010, 10:16 AM   #4
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where'd you get the flywheel and how much was it?
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      05-13-2010, 11:51 AM   #5
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I love that car. Amazing mods...

There needs to be a cover story on it sometime
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      05-13-2010, 12:48 PM   #6
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thanks man!
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      05-13-2010, 12:52 PM   #7
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Quote:
Originally Posted by Bakeme521 View Post
where'd you get the flywheel and how much was it?
it's from SPEC:
http://www.specclutch.com/cars/BMW/335/2008/Single
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      05-13-2010, 12:55 PM   #8
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      05-13-2010, 12:59 PM   #9
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Nice... I look forward to your review of it once installed!
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      05-13-2010, 01:07 PM   #10
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Quote:
Originally Posted by Former_Boosted_IS View Post
Dang, I am shocked you chose SPEC with all the problems the forum has had. Maybe they are working to make things better? Good luck and I am looking forward to seeing how things go for you!
I'm surprised as well, but I hope everything works out.
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      05-13-2010, 01:07 PM   #11
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      05-13-2010, 02:47 PM   #12
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also incase people were wondering.. stock flywheel is 38lbs.. this aluminium one is 15lbs
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      05-13-2010, 02:49 PM   #13
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i hate you jp
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      05-13-2010, 02:55 PM   #14
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Nice weight reduction. Why not opt for stg 5? Especially now you putting down that power with upgraded turbos.

I thought you were AT.
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      05-13-2010, 02:57 PM   #15
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nice dude! good luck with that.. car should be a beast.
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      05-13-2010, 03:03 PM   #16
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Quote:
Originally Posted by Mr. 5 View Post
I'm surprised as well, but I hope everything works out.
I don't trust a few peoples bad luck vs. just as many with no issues... plus my buddy has done tons of SPEC clutch installs and has never once had an issue. I'm betting most of the issues on this forum were from installation error.

I'm honestly not worried at all
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      05-13-2010, 03:05 PM   #17
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Quote:
Originally Posted by AltecBX View Post
Nice weight reduction. Why not opt for stg 5? Especially now you putting down that power with upgraded turbos.

I thought you were AT.
stage 3 will be fine - I think ASR runs this same combo on their car. AT? I'd never get an auto 335! I've never owned any auto car
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      05-13-2010, 03:07 PM   #18
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my stock clutch was owned... all warped and discolored. I have a feeling I wasn't putting down nearly the power to the ground I should have been. Im excited to feel the difference
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      05-13-2010, 08:05 PM   #19
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some pics of the original equipment:







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      05-13-2010, 11:30 PM   #20
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I'm really interested to hear what the chatter is like with the Stage 3 & single mass LW flywheel. I went with the Stage 3 with stock dual mass flywheel as the only 2 guys I could find (both on this forum) that had gone with the LW flywheel both said they regretted it, that the chatter was loud enough people were asking if their car was broken. As well, the changed 1st, 2nd, 3rd+ order harmonics in the shaft are complete unknowns when you change the flywheel (without having BMW's FEM software at home), and with a long block 6 and high horsepower my Professional Engineer side wasn't comfortable with that unknown.

I've been happy with mine, except it's been almost a year and it still has a fair bit of engagement chatter (not noise, physical engagement pulsing). A lot less than when it was first installed, but still probably 15% of the time I engage the clutch it pulses/vibrates. Annoying for me, as I pride myself in smooth, low rpm engagement when I'm not driving fast.

I know Vishnu went with the Stage (1 or 2?), and I think LW flywheel, and seems happy.

Good luck!

Last edited by Ironring Racing; 05-13-2010 at 11:36 PM.
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      05-13-2010, 11:44 PM   #21
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Yeah, I bought Turkish335's Spec stage 3+ clutch, he had it installed and taken out because it wasn't engaging, he returned it to Spec for inspection, tear down to check, Spec said that there is nothing wrong with the clutch except that one of the adjustment sping was a bit extended, they set it to default and sent it back to him; guess what, it's working beautifully for me, no problems at all. It's the installation.
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      05-14-2010, 12:02 AM   #22
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I won't go on a rant, so I'll just wish you the best of luck!
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