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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 > Clutch Job - Couple of Questions for Experienced DIY?



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      02-13-2013, 11:13 AM   #23
Rotorocious
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Quote:
Originally Posted by psmitty95 View Post
Wow well thats good news. How harsh is engagement? Looks like thats the route I will take when my clutch decides to go
Not harsh at all.
Coming from the act clutch I used to have, it feels like driving a Honda
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      02-13-2013, 11:16 AM   #24
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Quote:
Originally Posted by Rotorocious View Post
Not harsh at all.
Coming from the act clutch I used to have, it feels like driving a Honda
Wow the Spec stage 2+ sounds like the perfect upgrade then
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      02-13-2013, 12:27 PM   #25
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OK so on the Spec clutches with their flywheel it comes with the clutch disk, pressure plate, alignment tool, release bearing and pilot bearing.

For reference the ACT clutches only come with PP. Disk, and alignment tool.

The stage 2 and 2+ are very popular.

We recommend staying with the OEM DMFW if you are regular full bolt on. If you have upgraded turbo(s) and in excess of 500WHP you will need to go to a single mass flywheel. Historically the aluminum chatters quite a bit, and the steel option is supposed to chatter a little less.

The DMFW at high HP levels are causing a inherent imbalance, causing false misfires.
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      02-13-2013, 05:22 PM   #26
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It's my Birthday and Lookie what just came ! ! !

Jeff......by the way, the kit also has the pressure plate attached to the flywheel with what look like 6 new fillister screws.....which I already purchased...anyways, tooks some pics and will start a DIY with lots of details and pictures, including the rear main change.
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      02-13-2013, 08:59 PM   #27
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Quote:
Originally Posted by E36graduate View Post
Jeff......by the way, the kit also has the pressure plate attached to the flywheel with what look like 6 new fillister screws.....which I already purchased...anyways, tooks some pics and will start a DIY with lots of details and pictures, including the rear main change.
Looks good! Keep us posted with pics and your thoughts after the install
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      02-15-2013, 06:36 AM   #28
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Quote:
Originally Posted by psmitty95 View Post
Let me know when you get the spec installed what your thoughts are. I might be going that route eventually so curious as to what you think in terms of pedal feel, engagement point, etc... Also i'm sure you said this in here but i skipped over it what are you doing for flywheel? Did you just buy the Luk one similar to oem on ecs or are you doing a different one?
I purchased the Billet Steel FW from Spec about $500, i believe its a few pounds lighter than stock but not as light as aluminum.

I also plan on chaning out the tranny fluid and go with a blend of ATF and MTL.....I have done the same blend on all my BMW's and it has worked well, even on my e46 m3. Also plan on changing out the rear main and all my diff fluids and Transfer Case.
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      05-06-2013, 08:29 AM   #29
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Ever get anywhere with that DIY?
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      05-09-2013, 07:39 PM   #30
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I've been traveling quite a bit on commercial airlines and car's been sitting at the airport parking garage 30 miles from my house. When I fly at the end of the week, I make sure to take the long way home because the first 5 or so miles my JB4 will not let me boost over stock.

The clutch seems to be breaking in well. I did some nice runs today with E85/94 octane (40/60 thereabouts) on JB4 Map 3 with 60 Add with (methanol/h20 70/30) and the car is an absolute monster.......I still get a little chatter at idle out of gear, no clutch. The engagement is smoother, but still a little chattery now and then but getting smoother with every shift.

Overall a good clutch and we will see how she holds up. Feels good for a daily driver, but I can tell this clutch isn't stock and wants to be beat on!
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