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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 09-17-2013, 03:55 AM   #41
FryGuy
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$970 LSD for E46 Non-M

What is an LSD anyway? I have heard the term but I just have little idea


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Old 09-17-2013, 08:03 AM   #42
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What is an LSD anyway? I have heard the term but I just have little idea


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google lsd and car and that will give you a good idea
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Old 09-18-2013, 12:03 AM   #43
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What is an LSD anyway? I have heard the term but I just have little idea


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It's drugs, stay away you don't want any part of this.
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Old 09-28-2013, 10:17 PM   #44
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Has anyone found a lsd unit for the diff? I can't seem to find one that someone isn't selling with a whole diff. I've built many diffs from dump trucks, to drag cars, to roundy round cars.
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Old 05-28-2014, 03:13 AM   #45
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Full LSD options for the E46, found very good reviews so far (the actual website of the lsd in my OP)
http://www.teammfactory.com/differentials
$1000 for either Clutch or helical, with lifetime warranty.
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Old 05-28-2014, 07:03 AM   #46
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Full LSD options for the E46, found very good reviews so far (the actual website of the lsd in my OP)
http://www.teammfactory.com/differentials
$1000 for either Clutch or helical, with lifetime warranty.
Their webpage doesn't list very much regarding the product. I take it is just the LSD unit. No indication of gear ratios or ring diameter...

Looks like a good option however.

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Old 05-28-2014, 10:42 AM   #47
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Their webpage doesn't list very much regarding the product. I take it is just the LSD unit. No indication of gear ratios or ring diameter...

Looks like a good option however.

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Metal plate style; this is what Kaaz uses; tons of disc's with oil grooves to catch fluid expansion and lock. 0 friction material discs

it's great for racing only and almost horrid for street. I ran one in my street e30 and removed it; great on track though.

Price is good; wonder where it is made?
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Old 05-28-2014, 11:00 AM   #48
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I think these guys give really good group buy discounts. I've seen on a few e90 forums prices around $800, we should look into it if these are quality.
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Old 05-28-2014, 01:59 PM   #49
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Metal plate style; this is what Kaaz uses; tons of disc's with oil grooves to catch fluid expansion and lock. 0 friction material discs

it's great for racing only and almost horrid for street. I ran one in my street e30 and removed it; great on track though.

Price is good; wonder where it is made?
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I think these guys give really good group buy discounts. I've seen on a few e90 forums prices around $800, we should look into it if these are quality.

I've read Several other forums where they discuss the Kaaz LSD & How bad they are as a Daily Driver. So if wanganstyle says these "MFactory Metal Plate" LSD's are built the same way, I believe him. Who would want to spend ALL the money it would take to get a MFactory diff installed to then realize it drives exactly like wanganstyle said it would. So it really doesn't matter if the deal on these is incredible, hell they could be $700 shipped. But by the time it's installed it could easily be $1500 plus (Using my $700 dollar math), who wants to spend $1500 plus dollars for an "Almost Horrid For Street" driving diff ? I wouldn't.

On the other hand, MFactory* offers a Gear type "Helical" design LSD. This would work great for street use, plus the Shipped price is about the same as the WaveTrac deal at $1042 shipped. So it probably come down to which one you feel more comfortable with, both WaveTrac & MFactory offer a Lifetime Warranty. But what would need to be found out about the Mfactorys warranty is the little exclusion they have written in it.
"Lifetime Warranty on Differentials (excluding maintenance parts)" Does MFactory consider its Helical LSD to have any "maintenance parts" inside of it ?

In the end: If I was going to spend upwards of $2000 dollars, I'd want it to feel great,......like the way my Quaife feels.


Good luck,
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* At the time of this writing I was Not aware that the MFactory LSD units were manufactured in Taiwan.
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Old 05-28-2014, 03:33 PM   #50
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They offer the Metal plate style...but they also offer a Helical style

http://www.teammfactory.com/helical-lsd

I guess that's what they sell most of, because its what they have in stock...
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Old 05-28-2014, 03:35 PM   #51
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They offer the Metal plate style...but they also offer a Helical style

http://www.teammfactory.com/helical-lsd

I guess that's what they sell most of, because its what they have in stock...

Yep,.....I've been writing that whole time.
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Nitrous is a little trickier than boost, but it's not the spray that kills motors, it's STUPIDITY!!
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Old 05-29-2014, 12:45 AM   #52
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Yup, even for my application they only have helical style ready

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Hi Paris,

Thanks for your email. We are currently developing a new plate differential for this particular application but it will not ready at least until the end of the season.

We only have the helical differential at the moment. If you're interested, please let me know and I can prepare a quotation for your review.

Please let me know if you have any further questions or concerns.
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Old 05-29-2014, 01:07 AM   #53
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Yup, even for my application they only have helical style ready
I see that as a good thing, don't you ?


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Nitrous is a little trickier than boost, but it's not the spray that kills motors, it's STUPIDITY!!
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Old 05-29-2014, 02:10 AM   #54
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I see that as a good thing, don't you ?


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Of course
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Old 05-29-2014, 02:12 AM   #55
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Metal plate style; this is what Kaaz uses; tons of disc's with oil grooves to catch fluid expansion and lock. 0 friction material discs

it's great for racing only and almost horrid for street. I ran one in my street e30 and removed it; great on track though.

Price is good; wonder where it is made?
http://www.teammfactory.com/company-profile
Quote:
Every product within the MFactory catalog is designed in-house in the USA and manufactured in-house to our own specifications at both our US R&D Facility and our multi-million dollar, state-of-the-art, ISO Regulated Taiwan factory, before being tested & developed in the real-world on state-of-the-art race vehicles from North America, Europe and Asia-Pacific. Our products are designed from the beginning to surpass the competition. Why choose MFactory? Here's why:
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Old 05-29-2014, 02:41 AM   #56
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Originally Posted by paraklas View Post
http://www.teammfactory.com/company-profile

"Every product within the MFactory catalog is designed in-house in the USA and manufactured in-house to our own specifications at both our US R&D Facility and our multi-million dollar, state-of-the-art, ISO Regulated Taiwan factory, before being tested & developed in the real-world on state-of-the-art race vehicles from North America, Europe and Asia-Pacific. Our products are designed from the beginning to surpass the competition. Why choose MFactory? Here's why:"

Not to sound evil, but here's how I read this:

"Every product within the MFactory catalog is designed in-house (In my moms basement on my laptop) in the USA and manufactured in-house to our own specifications at both our US R&D Facility (my moms basement) and our multi-million dollar, state-of-the-art,(I found this great Taiwan company & they have agreed to make my LSD units) ISO Regulated Taiwan factory, before being tested & developed in the real-world on state-of-the-art race vehicles (club racers like SCCA guys purchase my LSD's & use them in their race cars) from North America, Europe and Asia-Pacific. Our products are designed from the beginning to surpass the competition. Why choose MFactory? Here's why"

So some guy here in the U.S. designed them & farmed out the work to a Taiwan company to get them built, kind of like OBX.

Just saying it's a possibility !



Rob43
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Nitrous is a little trickier than boost, but it's not the spray that kills motors, it's STUPIDITY!!
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Old 05-29-2014, 03:37 AM   #57
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Could be the case, but they put some "references" and other "+ things" afterwards, surely a basement design can't become "Official OEM to Honda of America's Motorsports Divisions" etc as seen on their profile link? I don't know them and I am sceptical to say the least, it's not a $100 bumper that we're talking about here
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Old 05-29-2014, 10:57 AM   #58
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Not to sound evil, but here's how I read this:

"Every product within the MFactory catalog is designed in-house (In my moms basement on my laptop) in the USA and manufactured in-house to our own specifications at both our US R&D Facility (my moms basement) and our multi-million dollar, state-of-the-art,(I found this great Taiwan company & they have agreed to make my LSD units) ISO Regulated Taiwan factory, before being tested & developed in the real-world on state-of-the-art race vehicles (club racers like SCCA guys purchase my LSD's & use them in their race cars) from North America, Europe and Asia-Pacific. Our products are designed from the beginning to surpass the competition. Why choose MFactory? Here's why"

So some guy here in the U.S. designed them & farmed out the work to a Taiwan company to get them built, kind of like OBX.

Just saying it's a possibility !



Rob43
What if it IS obx?

Obx does make a e36 188mm gear type differential. I've never touched or driven one but a local friend installed a obx gear type differential into a Toyota. ......and it did not live long lol

Obx seems made in china; the metal quality reminds me of the sf bay bridge; the bridge was ordered from China and the metal is not consistent under standard industry testing (the local machine shop I use holds the patents for rebar strength and weld testing)

I've never seen any obx/m factory items running at any norcal tracks.
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http://forum.e46fanatics.com/showthread.php?p=14989087
WSG Billet CNC LSD production Development
http://forums.bimmerforums.com/forum...pdate-backdate
S54B32+E36 1997 M3 Sedan+DTA S100 alpha N
http://forums.bimmerforums.com/forum....php?t=1437471

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Old 05-29-2014, 12:37 PM   #59
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What if it IS obx?

Obx does make a e36 188mm gear type differential. I've never touched or driven one but a local friend installed a obx gear type differential into a Toyota. ......and it did not live long lol

Obx seems made in china; the metal quality reminds me of the sf bay bridge; the bridge was ordered from China and the metal is not consistent under standard industry testing (the local machine shop I use holds the patents for rebar strength and weld testing)

I've never seen any obx/m factory items running at any norcal tracks.


Well it's probably not OBX but it is still clearly made in Taiwan, where as Wavetrac is clearly made in the USA.

The fact that companies like VAC Motorsports & Diffsonline have been installing the Wavetrac for years now says a lot about them. The dealer list for Wavetrac is also very Large, if any of those companies were experiencing headaches with these LSD's they stop selling them. When doing a search for any "Race Teams" that run the MFactory LSD, I couldn't find any.

My personal belief is this: We're not talking about a Cat-Back Exhaust or CAI which are easy to install / uninstall, but something that is difficult to install & typically needs professional setup. So when you think of it in these terms, it really doesn't matter if an LSD like the MFactory unit can save you a $100 dollars or so because of the higher likelihood of diff failure in a short period of time. As the proud owner of a Quaife LSD I couldn't imagine the cost & headache of LSD removal, repair, & re-installation; just on the chance of saving a few bucks.


Good luck,
Rob43
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Need Help With Your Nitrous Ambitions ?.....PM ME
Quote:
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Nitrous is a little trickier than boost, but it's not the spray that kills motors, it's STUPIDITY!!

Last edited by Rob43; 05-29-2014 at 01:35 PM.
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Old 05-30-2014, 03:26 AM   #60
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There's a dealer for them nearby me in Greece, supplying the unit at EUR600, delivered. this is half the cost of a delivered wavetrac from USA (add transport+VAT+import tax). The gears are maintenance free, their warranty is lifetime and transferable. Apparently they're quite popular overseas and haven't read of a failure yet. I do prefer the wavetrac but the mfactory one is at half the price, (almost) local support for warranty etc, so I may take the plunge and try it. Got a company car as well so I don't mind downtime in case s* happens. Will report back soon!

http://www.bimmerboost.com/showthrea...UND-Guaranteed
http://www.e90post.com/forums/showthread.php?t=799541
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