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      12-22-2011, 08:50 AM   #1
Peter@Advan
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ADVAN Performance, N54 "Single Mass Steel" flywheel

Hey Gents,

I am very pleased to introduce to you all, the upgraded flywheel that we at ADVAN Performance have been working on.

It is a direct replacement for the BMW OE 135i N54 dual mass flywheel.

It has been machined by Rosco of Ross Balancers, to our specifications.

It is a single mass flywheel made entirely of chromoly steel, it is also nitrided
.

The OE starter ring gear has been refitted using the same method employed by BMW, that being a heating and shrinking/press fitment process.

The OE dual mass flywheel weighs in at 12.5 kg, where as the ADVAN Performance flywheel is 10.0 kg in weight.

We could have further reduced the weight of the steel flywheel, however with decreased weight comes a potential loss of inertia.

That is ok for the track, but not entirely desirable for a daily driven street application.

Although if the demand is there, we would be more than happy to knock up a second version, that is truly "lightweight".

Lastly I am sure all you "8 bolt" guys are thinking, what about us?

Rest assured we have not forgotten you, however we have had a difficult time acquiring a used 8 bolt unit in Australia.

If anyone has a failed or a swapped out 8 bolt dual mass flywheel collecting dust, we would dearly like to take it off your hands.

The "6 bolt" flywheel is now available from ADVAN Performance, on an exchange basis of $995.00 exclusive of shipping.

Here are a few pics for you guys to enjoy.

Thank you,

Peter.
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Last edited by Peter@Advan; 01-08-2012 at 07:02 AM. Reason: Typo
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      12-24-2011, 02:54 AM   #2
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Hey guys,

we have very recently installed our "Single Mass Steel" flywheel into our 135i R&D vehicle.

The clutch kit we chose was the latest offering from HPF, that being their new "Feramic" face unit.

We went with their Stage 2 pressure plate, as this vehicle will be back to the quarter mile in the near future and will be seeing quite a few passes.

After driving the car I can tell you that the use of our flywheel and the HPF clutch, is a superb combination that is very "streetable" considering the punishment the components will likely endure.

Truth be told,

I would be lying if I said the above combination was as gentlemanly as an OE dual mass & ACT Street set up.

However the Organic lined ACT is not up to the task of repeated 6,000 RPM launches at the strip, we know that for a fact.

Also there have already been several reported failures of the OE dual mass unit. I suspect as power and torque levels continue to head North, the shortcomings of the OE flywheel will become more prevalent.

I will provide detailed information on the driving characteristics of our new flywheel shortly.

At this stage I can say, that if HPF's clutch lives up to its claimed flywheel rating of 650 ft-lbs of torque, then for the serious racer our Single Mass Chromoly Steel flywheel is an excellent match.

Cheers,

Peter.
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Last edited by Peter@Advan; 01-08-2012 at 02:12 PM. Reason: Typo
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      01-01-2012, 07:00 AM   #3
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Hi Gents,

after having put close to 500 kilometres on the ADVAN Performance "Single Mass Steel" flywheel & HPF "Feramic" clutch combo, I can tell you that the vehicle is very "streetable".

Whilst there is still a little driveline "shudder", it is much improved over our first driving experience following a proper bedding in period.

However having said that the shudder is very much dependant upon how much you slip the clutch and the engine speed or throttle application when it begins to engage.

If you get it just right, it is as smooth as butter.

Certainly not what one would expext from a clutch that is rated at 650 ft-lbs and from a single mass, chromoly steel flywheel that is never going to fail.

Obviously there is audible "chatter" at idle when the car is not in gear. But if one was to bump the idle to say 900 or 950 RPM, from out testing it is decreased by a very significant margin.

Unfortunately there is a little noise on-road that is audible from the transmission tunnel, however once again this is entirely dependant upon the driving conditions.

With windows up and the radio off, you will hear a resonance on moderate throttle between 1,750 & 2,250 RPM. But when playing any tunes or with a window cracked, as you revel in the sound of the N54 exhaust note, it is pretty much a non-issue.

I will provide further details on how our little 1'er goes at the 1/4 mile next week and importantly how the flywheel and clutch combo drives following a few 6,000 RPM launches.

It should be interesting as this will be the first time it has run down the strip with traction at the rear and a clutch that is not beginning to slip.

Cheers.

Last edited by Peter@Advan; 01-08-2012 at 07:00 AM. Reason: Typo
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      01-06-2012, 08:33 AM   #4
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Bump.
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      01-06-2012, 12:08 PM   #5
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hey that's a great option..i'll definitely keep this in mind
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      01-07-2012, 02:11 AM   #6
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Very interested in this... Any chance of a 7-8 kg lwfw offering? Hard to justify going aftermarket on the fw with only a 2.5 kg difference from stock.
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      01-07-2012, 06:20 PM   #7
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Quote:
Originally Posted by bmwe82 View Post
hey that's a great option..i'll definitely keep this in mind
Cool,

more than happy to provide you with a shipping quote, when you are looking to buy.
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      01-07-2012, 06:32 PM   #8
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Quote:
Originally Posted by XPO186 View Post
Very interested in this... Any chance of a 7-8 kg lwfw offering? Hard to justify going aftermarket on the fw with only a 2.5 kg difference from stock.
Absolutely,

as you can see from my original post we already had this in mind.

Although if the demand is there, we would be more than happy to knock up a second version, that is truly "lightweight".

I suspect a second flywheel that is around the 7.5 kg mark, would be the ideal weight for all you guys that do not mind a little "chatter".

Of course given that it is made entirely from chromoly steel and it's nitrided, shaving a further 2.5 kg off its total mass, should not decrease its durability or strength.

After all it's not like it is made from aluminium.

Last edited by Peter@Advan; 01-07-2012 at 06:37 PM. Reason: Typo
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      01-08-2012, 02:23 PM   #9
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Skycat, let's continue discussion here:
http://www.e90post.com/forums/showthread.php?t=632254

Also... PM sent
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      01-08-2012, 09:55 PM   #10
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Quote:
Originally Posted by XPO186 View Post
Skycat, let's continue discussion here:
http://www.e90post.com/forums/showthread.php?t=632254

Also... PM sent
Hey mate,

more than happy to continue the conversation in the above thread.

I just hope the moderators do not delete the thread, as I suspect they would want it to stay in the SPONSORS Area.

Also I can confirm that I received your PM.

Cheers.

Last edited by Peter@Advan; 01-08-2012 at 09:59 PM. Reason: Typo
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      01-09-2012, 12:27 AM   #11
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No worries m8. The other sponsors promote their stuff in the regular discussion sections so I don't think it would be a problem. Hopefully, bureaucracy will not come into play
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      01-13-2012, 04:10 PM   #12
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Hey guys,

I figured it would be a good idea to copy this post over from the N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i forum.

"I know this is a little off topic, but here is a quick vid of the ADVAN Performance 135i on the rollers, less than 4 hours ago.



I apologise for the image size,

the intent was to have the car visible in the background as the monitor was sitting atop the cooling fan.

However the lighting in the dyno cell did not permit. :roll eyes:

Speaking of dynos I thought I should make it clear, that the pulls you see in the vid were done on a Dyno Dynamics dyno, NOT a Dynojet.

I believe the guys in the know would be aware that a DD dyno will read a "little" lower than a Dynojet.

We are just doing some final prep, for the first Wednesday night 1/4 mile meet here in Sydney, Australia following the Xmas/New Year's break.

FYI,

the vehicle you hear screaming in the background is a late 2009 N54 135i.

It is FBO, running RB turbos + 70/30 Meth' and a PROcede Rev 3 "tune", with tweaked 25-11 "aggressive maps".

As you can see it makes strong, consistent power on 98 RON fuel.

Not bad at all for what is currently available off the shelf.

Once we have finished preparing the car for tomorrow night, we will shoot a vid illustrating the "chatter" introduced by our flywheel.

Cheers."

Last edited by Peter@Advan; 01-13-2012 at 04:19 PM. Reason: Typo
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      01-13-2012, 04:58 PM   #13
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Hi guys,

unfortunately the weather prevented us from running our 135i on Wednesday night.

However I have not forgotten about your request for a vid, illustrating the level of "chatter" at idle, it is coming.

After speaking to Rosco of Ross Balancers, I can confirm that he can further reduce the weight of our flywheel, to achieve a target of 7.5 kg.

He can also machine the starter motor ring gear into the flywheel.

However the shaving of a further 2.5kg and the process of cutting the ring gear into the flywheel, will add $200 to the cost of the unit as a result of the additional CNC machining that is required.

We will now be offering two versions of our "Single Mass Steel" Flywheel.

- The original version will weigh 10 kg and will be supplied less the ring gear.

The 10 kg version is ideal for the daily driven vehicle that also sees 1/4 mile passes. It will be available for $995.00 Aus, excluding shipping.

- The second version will weigh in at 7.5 kg and the ring gear will be machined into the flywheel.

The NEW 7.5 kg version is perfect for the circuit racer, who is looking for maximum engine response. It will be available for $1,195.00 Aus, excluding shipping.

Lastly the supply locally of a used "8 bolt" flywheel fell through.

As such we are super keen to obtain a "8 bolt" unit from one of you guys in the US, so we can complete a sample unit ASAP.

If anyone has a damaged second hand unit that they no longer need, we would be more than happy to cover the shipping costs to Aus.

Alternatively if one of you 3 Series Gents are ready to move on either our 10 kg or 7.5 kg version, we could offer you a discount over the retail price in lieu of providing your flywheel to us and also being the first cab off the rank.

Last edited by Peter@Advan; 01-13-2012 at 05:15 PM. Reason: Typo
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      01-14-2012, 07:10 PM   #14
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Bump, to the top!
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      01-17-2012, 09:17 AM   #15
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I figured I would copy and paste this post, from the 1Addicts Commercial Sales forum.


Quote:
Originally Posted by ezeedee
whats the benefit of not going aluminum? too late for me, because i already did. just curious.



From our experience a solid steel one piece unit is more durable over time under extreme driving conditions, such as drag racing or circuit racing.

Most of the aluminium LWFW on the market have a centre driven plate surface that is made of steel, but the insert is only fastened to the aluminium sub surface.

The aluminium and steel materials heat and contract at different rates, as a result the fasteners that secure the driven steel plate surface can become loose over time.

Also the thin steel surface is more susceptible to warping than a one piece steel flywheel, due to heat developed by clutch slippage.

As such you can have issues where the steel clutch plate surface is no longer true, this will adversely effect the clamping ability of the clutch friction plate and its longevity.

However for a car that is seldom "driven in anger", the lightweight aluminium options should be fine for street use.
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      01-17-2012, 09:21 AM   #16
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And another.

Quote:
Originally Posted by ezeedee
i didnt upgrade my clutch to drive miss daisy.

the one thing i like about the removable friction surface is lower cost of replacement.

how many times do you think your flywheel would be able to be machined before replacement is necessary?

will your lighter flywheel (if you end up offering it) still have an integral friction surface? It might be my next flywheel.



To be quite honest you could machine our flywheel more times than you would ever need to, how many clutches do you plan on going through?

As an example if you were to take 20 thou' or 0.5 mm off the flywheel driven face and top skirt every time you replaced a clutch, you could easily do that 4 or 5 times.

That is a lot of clutch kits.
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      01-21-2012, 08:56 PM   #17
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Hey Gents,

I have managed to get my hands on a GoPro HD camera.

So the somewhat overdue "Single Mass Steel" flywheel vid illustrating the "chatter" present on idle, should be online tomorrow night.

Apologies for the delay guys,

cheers.

Last edited by Justin@ADVAN Performance; 01-21-2012 at 10:38 PM. Reason: Typo
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      01-24-2012, 08:41 AM   #18
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Hi guys,

here is the vid illustrating the "chatter" you will hear from our flywheel whilst the car is idling.

FYI,

the first 20 seconds are with the AC off, the remainder following a few stabs of the throttle is with the AC on.

Oh,

if you are wondering who that handsome fellow is who walks into the field of view of the GoPro, that is Peter Hopkins the Chief Mechanic and business owner of ADVAN Performance.

Cheers,

Justin.

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      01-27-2012, 06:54 AM   #19
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Hi Gents,

one of the forum members has kindly offered up their used "8 bolt" flywheel for shipment to Aus.

As such we will soon be in a position to manufacture both a 10kg "Street/Strip" and a 7.5 kg "Track" version, for all you "8 bolt" 3 Series and early model 135i guys very soon.

Cheers.

Last edited by Justin@ADVAN Performance; 01-27-2012 at 07:19 AM. Reason: Typo
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      01-28-2012, 08:12 PM   #20
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Hey Gents,

a cheeky copy & paste from the "N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i Forum", pertaining to the availability of our 7.5 kg "Track" flywheel.

Quote:
Originally Posted by XPO186
Excellent news!


Thank you kindly Phil.

Does that mean I can put you down for the first 7.5 kg "Track" version?

Lastly guys,

would anyone be interested in purchasing a slightly used 10 kg version at cost price, as I am going to a multi-plate setup.

Obviously it's from my late model 135i, so it would only be suitable for a "6 bolt" application.

Cheers,

JD

Last edited by Justin@ADVAN Performance; 01-29-2012 at 12:13 AM. Reason: Typo
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      01-29-2012, 06:11 AM   #21
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Another post from the "N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i Forum".

Quote:
Originally Posted by XPO186
Justin,

Certainly sign me up for the 7.5kg version as a package deal with your forthcoming twin/multi disc clutch


Hey Phil,

the 10 kg "Single Mass Steel" flywheel that is currently in my car and our forthcoming 7.5 kg "Track" version, will be different in design to the flywheel used in the multi-plate setup we are now doing for my vehicle.

It will obviously be a single mass flywheel and will also be made from chromoly steel that has been nitrided, however it will be machined to allow the multi-plate basket to bolt up to it.

If you Google "multi-plate" clutches and find an exploded view of one, you will see what I'm talking about.

We will be designing our own single face clutch kit to be used in conjuction with our 10 kg & 7.5 kg flywheels.

Many of you guys will simply not require the clamping force of a multi-plate, in particular if you do not plan to go 1/4 mile racing, running 275 "Hoosier" drag radials.

Cheers.

Last edited by Justin@ADVAN Performance; 01-29-2012 at 06:14 AM. Reason: Typo
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      02-02-2012, 07:03 AM   #22
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Hi Gents,

I am still looking to sell my 10 kg flywheel, as we are in the process of doing a multi-plate setup for my car.

I am happy to sell the "Single Mass Steel" flywheel at cost price.

I will also have Rosco machine the driven face, so essentially it will be in "AS NEW" condition.

Please PM if you are interested, just a reminder it is for a "6 bolt" application.

Cheers,

JD.
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