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Old 05-16-2008, 10:59 PM   #281
330i ZHP
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The LSD is one of my favorite upgrades. So much so, that I just put the 3.46lsd from the sedan on the wagon and bought another unit from Dan @ diffsonline. He isnt the cheapest or the most expensive...but a damn great product.

If your car was a 6spd I would say hands down the 3.46 LSD....a great improvement in acceleration and drive ability.

Not sure what your car has as final drive, but I am guessing 2.93? If so, go 3.07 or 3.15 with the LSD and you will be tickled pink
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Old 05-20-2008, 09:43 PM   #282
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Got my car back today after alittle more angst......Got a call "the car is done, but it doesn't work".....I said "you have got to be f-in kidding me!"

"The clutch doesn't disengage" he said.....to my reply, "try removing the clutch stop".

It's amazing, remove the clutch stop and the car is fine! All in all, the guys who did the work are alright, a bit too alaraming in their phone calls. I gave them a box of parts and work instructions.....Sort of an odd situation for the average european garage, but they did well. Impeccable work, I'd go back, if they'll take me!

So work performed:
Install JB racing Flywheel
Clutchmaster FX300
Pilot bearing & Center shaft mount
Replaced rear main seal
Replaced input/output seals
Replaced tranny fluid with UUC's chatter-proof Redline reccomended fluids
Installed M3 Geebo (sp)
Installed 15mm spring pads under rear coils (have a slight rub on occasion, should be gone now)

Couldn't really test out the clutch with the 500 mile break-in, plus it was raining. The car definitely revs alot quicker. The pedal pressure is slightly firmer, and I do mean slightly

I don't hear any chatter!! I do feel a little chatter while slowly releasing the clutch pedal on take off while giving it very little gas. This could become next to non-existant/noticable after driving for some miles. It's definitely not an old school big block chevy chatter on engagement, it's very subtle.

As Brian recommended as a fix, I could just send my ECU back in to bump the idle up or maybe this little chatter will vanish on its own. It's definitely not a chatter noise, but a chatter feel......

More to come tomorrow if I get to drive the car depending on the weather.
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Old 05-20-2008, 09:50 PM   #283
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good info - let us know after a few days

I am so tired right now from working under the car this evening..and yet, I am still looking forward to working on the engine and trans
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Old 05-20-2008, 09:52 PM   #284
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It's an addiction my friend....and you have it BAD!
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good info - let us know after a few days

I am so tired right now from working under the car this evening..and yet, I am still looking forward to working on the engine and trans
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Old 05-21-2008, 12:58 AM   #285
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Originally Posted by fmzip View Post
Got my car back today after alittle more angst......Got a call "the car is done, but it doesn't work".....I said "you have got to be f-in kidding me!"

"The clutch doesn't disengage" he said.....to my reply, "try removing the clutch stop".

It's amazing, remove the clutch stop and the car is fine! All in all, the guys who did the work are alright, a bit too alaraming in their phone calls. I gave them a box of parts and work instructions.....Sort of an odd situation for the average european garage, but they did well. Impeccable work, I'd go back, if they'll take me!

So work performed:
Install JB racing Flywheel
Clutchmaster FX300
Pilot bearing & Center shaft mount
Replaced rear main seal
Replaced input/output seals
Replaced tranny fluid with UUC's chatter-proof Redline reccomended fluids
Installed M3 Geebo (sp)
Installed 15mm spring pads under rear coils (have a slight rub on occasion, should be gone now)

Couldn't really test out the clutch with the 500 mile break-in, plus it was raining. The car definitely revs alot quicker. The pedal pressure is slightly firmer, and I do mean slightly

I don't hear any chatter!! I do feel a little chatter while slowly releasing the clutch pedal on take off while giving it very little gas. This could become next to non-existant/noticable after driving for some miles. It's definitely not an old school big block chevy chatter on engagement, it's very subtle.

As Brian recommended as a fix, I could just send my ECU back in to bump the idle up or maybe this little chatter will vanish on its own. It's definitely not a chatter noise, but a chatter feel......

More to come tomorrow if I get to drive the car depending on the weather.
I told you the pedal effort is only slightly increased.

Just remember that the clutch needs to be broken in properly. If properly broken in, this clutch should last you a very long time. I think Walter said it best, the clutch will either die on within the first 500 miles or it will take a very long time.

BTW, if you get a screech while you are slipping the clutch in first gear, it is normal. Walter said it usually occurs when you run the car very hard, but nothing to be alarmed about.

The chatter will not go away, but steadily increase in sound. Not much, but it is noticeable in the cabin. Some recommend the fluid mixture that UUC recommends, but I feel the slight idle shift is the way to go. However, to each their own. I am glad you are happy with car. Give us a driving impression after the 500 mile break-in.
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Old 05-21-2008, 05:41 AM   #286
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They actualy suggest the fluid against gearbox rattle, which is different from chatter. If I remember correctly, you have a lower mileage car, probably well maintained. That makes a huge difference. Someone who drives the heck out of their car and does a lot of engine breaking is going to have a different experience.

Glad it's working out.

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Replaced tranny fluid with UUC's chatter-proof Redline reccomended fluids
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Old 05-21-2008, 09:34 AM   #287
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I told you the pedal effort is only slightly increased.

Just remember that the clutch needs to be broken in properly. If properly broken in, this clutch should last you a very long time. I think Walter said it best, the clutch will either die on within the first 500 miles or it will take a very long time.

BTW, if you get a screech while you are slipping the clutch in first gear, it is normal. Walter said it usually occurs when you run the car very hard, but nothing to be alarmed about.

The chatter will not go away, but steadily increase in sound. Not much, but it is noticeable in the cabin. Some recommend the fluid mixture that UUC recommends, but I feel the slight idle shift is the way to go. However, to each their own. I am glad you are happy with car. Give us a driving impression after the 500 mile break-in.
Brian.....glad you mentioned this screeching sound. I get an odd sound on occasion at like 2500 RPM's in second gear when getting into it a bit. This freaked me out. Sounds like a freight train for a few seconds, not a screech.

So what is the proper break in procedure?? The instructions state normal driving and no compression braking. What is normal to some is aggressive to others?? Can I get on it a bit or not?

And what is "compression braking"?? Is that hard down shifting?
Also, who is Walter? Thanks for the help
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Old 05-21-2008, 10:29 AM   #288
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Also called Clutchmaster....they said the more stop and go for the first 500 miles the better. The suggested being very gentle, shifting at 3000 RPM's. or whatever is normal, basically no hard shifting or winding up the RPM's. The also said the vibration on take off will get worse before it gets better. As long as it doesn't last, that's all I hope for.

According to Clutchmaster, the freight train noise I described is probably just a vibration which is no longer absorbed with the LW flywheel vrs a dual mass unit. If I baby the car, this sound doesn't exist.....

I guess I will just have to see how it goes until the clutch is properly broken in. I can deal with a little chatter but odd sounds like I describe, be it very short, may be an issue for me if they exist indefinitely.

Wondering if this was the right decision.....time will tell.

I do not have any gear box chatter, thats the good news. Maybe the fluid took care of it? I have about 69K for miles on the car
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Old 05-21-2008, 10:59 AM   #289
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Brian,

Question way too late......did you have your setup balanced before installation?? I didn't think about this before the fact, I hope it wasn't necessary!
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Old 05-21-2008, 04:35 PM   #290
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Brian.....glad you mentioned this screeching sound. I get an odd sound on occasion at like 2500 RPM's in second gear when getting into it a bit. This freaked me out. Sounds like a freight train for a few seconds, not a screech.

So what is the proper break in procedure?? The instructions state normal driving and no compression braking. What is normal to some is aggressive to others?? Can I get on it a bit or not?

And what is "compression braking"?? Is that hard down shifting?
Also, who is Walter? Thanks for the help
What is this odd sound at 2500RPM? Could you possibly take a video of this? I only get a screeching sound at takeoff, if at all, which is about 1000-1500RPM. After that, it is quiet and OEM like.

I just drove my car a lot in city driving. It allows for low speeds and lots of shifting. I tried not to go over 4k or go WOT, but I also had a newly assembled engine too.

Compression braking sounds to me like engine braking, where you would use the compression of the engine to slow the car down. That is just my guess.

Walter is the owner of VMWERS, who I used to install my TS3 kit.

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Also called Clutchmaster....they said the more stop and go for the first 500 miles the better. The suggested being very gentle, shifting at 3000 RPM's. or whatever is normal, basically no hard shifting or winding up the RPM's. The also said the vibration on take off will get worse before it gets better. As long as it doesn't last, that's all I hope for.

According to Clutchmaster, the freight train noise I described is probably just a vibration which is no longer absorbed with the LW flywheel vrs a dual mass unit. If I baby the car, this sound doesn't exist.....

I guess I will just have to see how it goes until the clutch is properly broken in. I can deal with a little chatter but odd sounds like I describe, be it very short, may be an issue for me if they exist indefinitely.

Wondering if this was the right decision.....time will tell.

I do not have any gear box chatter, thats the good news. Maybe the fluid took care of it? I have about 69K for miles on the car
This is very odd. What vibration are you feeling? Does it feel like a shutter?

The benefit of the sprung-hub is to absorb the vibration you would feel on take off. My previous solid hub 6-puck ceramic clutch was no fun.

My first drive with the car was like stock, no shutters, no vibrations, slight increased pedal effort. As a result, I am a bit concerned for the things you are experiencing.

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Brian,

Question way too late......did you have your setup balanced before installation?? I didn't think about this before the fact, I hope it wasn't necessary!
Walter took my flywheel and clutch to the machine shop so they could balance my engine. I do not know if they balanced my flywheel and clutch independently. I remember someone doing that a while back and their Clutchmasters clutch was already perfectly balanced.
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Old 05-21-2008, 05:00 PM   #291
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On take off, if I just let the clutch out slowly with some gas, the car shudders from the drivetrain, very minimal but it is there, both forward and reverse.

The sound at 2500RPM's only appears if I am being more than gentle with it. It's not consistent either sometimes it's there, sometimes it is not. It's deep, freight train like in nature. It sounds like a totally new octave appears which sounds like a roaring jet like "vrooooottt".

It is a sound that doesn't belong there for sure....and it's not a good "vrooooooot" either.......

There isn't a whole heck of alot involved in putting a clutch in. The sound seems vibratory like a "bass rumble".

Damn, I am sounded like some chick who is trying to describe the mystery sound to the mechanic!
I am taking off for Phoenix for the weekend tomorrow so I'll see what I can post for sound clips when I get back.
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Old 05-21-2008, 08:45 PM   #292
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do you have a CAI?

the reason I ask - Navin's TS1 has a metallic screach at 2000-2500
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Old 05-21-2008, 09:56 PM   #293
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On take off, if I just let the clutch out slowly with some gas, the car shudders from the drivetrain, very minimal but it is there, both forward and reverse.

The sound at 2500RPM's only appears if I am being more than gentle with it. It's not consistent either sometimes it's there, sometimes it is not. It's deep, freight train like in nature. It sounds like a totally new octave appears which sounds like a roaring jet like "vrooooottt".

It is a sound that doesn't belong there for sure....and it's not a good "vrooooooot" either.......

There isn't a whole heck of alot involved in putting a clutch in. The sound seems vibratory like a "bass rumble".

Damn, I am sounded like some chick who is trying to describe the mystery sound to the mechanic!
I am taking off for Phoenix for the weekend tomorrow so I'll see what I can post for sound clips when I get back.
I understand what you mean. It is hard to describe something. Videos are best it displays the sounds best.

There isn't a whole heck of a lot involved in putting in a new clutch and flywheel. However, you would be surprised to see who can screw it up.
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Old 05-21-2008, 10:22 PM   #294
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do you have a CAI?

the reason I ask - Navin's TS1 has a metallic screach at 2000-2500
no...stock airbox with a 1 inch hole drilled in the front by the headlight.....the sound does seem suction related in a way.
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Old 05-21-2008, 10:25 PM   #295
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I understand what you mean. It is hard to describe something. Videos are best it displays the sounds best.

There isn't a whole heck of a lot involved in putting in a new clutch and flywheel. However, you would be surprised to see who can screw it up.

really though, what can go wrong in a clutch/flywheel install....it only goes in one way. There isn't anything I check at this point without ripping the whole thing out, right?
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Old 05-21-2008, 11:39 PM   #296
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There were two new sounds with mine also. One of them is if I accidently slip the clutch by babying it too much when I let out the clutch. It is a bit of a screech. Sort of like a set of racing brake pads on a rotor. I think this is from the new kevlar material that the clutch is made out of and the fact that it doesn't like to slip. I don't worry about it much, it just reminds me to start shifting right.

The other one is a rumble sound from the driveline when I'm lugging it in 3rd or 4th gear and try to accelerate from around 2500rpm like you stated. I think it is just from the springs in the sprung hub trying to compress as the engine pulses and tranfering the vibration to the driveline. I don't worry about this one much either and it has actually gotten better over time.

I would recommend just driving the car and not overthinking things. The clutch chatter/shutter on takeoff and the rest of the things will get better. It just takes a while. Sometimes a long while but they will get better and soon you will love it. I had all these same worries when I first installed mine and it all turned out to be nothing more than normal break-in procedure.
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Old 05-22-2008, 05:09 AM   #297
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i hope so - i hate to think i am making mine sound like something is broken
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Old 05-22-2008, 03:16 PM   #298
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do you have a CAI?

the reason I ask - Navin's TS1 has a metallic screach at 2000-2500
Yeah, hopefully putting the stock airbox in will resolve that issue.

On a separate note, I'm thinking I might have a vacuum leak... I'm experiencing small stumbling/ rough idle for a few seconds when cold starting (only in the morning when leaving my house). One time that small stumbling/ rough idle was enough to make my car stall after cold starting.
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Old 05-22-2008, 04:45 PM   #299
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you definitely cannot get in, start the car and GO...it needs to be ready to go
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Old 05-22-2008, 05:02 PM   #300
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Yeah, hopefully putting the stock airbox in will resolve that issue.

On a separate note, I'm thinking I might have a vacuum leak... I'm experiencing small stumbling/ rough idle for a few seconds when cold starting (only in the morning when leaving my house). One time that small stumbling/ rough idle was enough to make my car stall after cold starting.
We all seem to be having the rough idle at start up. Unfortunately no one has figured it out yet.
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