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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > Australia > Australia Classifieds Section > GB: MFactory Helical LSD Group Buy - AU$850 Shipped!



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      03-29-2015, 11:12 PM   #199
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Quote:
Originally Posted by Scotty89 View Post
If you need an LSD don't buy this one.

I think they're on schedule to finish up testing soon. Then they'll move on to the next stage for some more testing. If that is successful they can then move on to some more testing. Then by that stage they'll be ready for another good test, and then the final testing is complete for some more testing.
ALL LSD's require backlash to be checked and set if necessary (sometimes it does, sometimes it doesn't). It does not apply exclusively to only our LSD, so either you are being sarcastic or.....?

We have finished testing, and they are being machined just now. They will be available in a few weeks time.

Just FYI, any BMW specialist worth their weight will already know how to modify the oem c-clip and aftermarket shims to correctly install an LSD. If you are DIY, the blame is not on us, however, we are the ONLY manufacturer to go out of our way to specifically machine these new c-clips and shims so that our customers don't have to do this themselves.

Your comment really doesn't go down too well, especially as we are the only company pro-actively helping you with this... or you can go out and spend several hundred dollars on a shim kit from the other BMW Specialists if you don't want to wait.

Or maybe I should just back-off from this AU thread altogether and not help you at all, seeing as I'm not actually responsible for the AU market anyway? I am the US Sales Rep, not the AU Sales Rep. I am doing this to HELP you on my time, not because I have to. If you accept my help, you will have to be patient. If not, then...

Last edited by MFactory; 03-29-2015 at 11:22 PM..
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      03-30-2015, 06:21 AM   #200
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Quote:
Originally Posted by MFactory View Post
ALL LSD's require backlash to be checked and set if necessary (sometimes it does, sometimes it doesn't). It does not apply exclusively to only our LSD, so either you are being sarcastic or.....?

We have finished testing, and they are being machined just now. They will be available in a few weeks time.

Just FYI, any BMW specialist worth their weight will already know how to modify the oem c-clip and aftermarket shims to correctly install an LSD. If you are DIY, the blame is not on us, however, we are the ONLY manufacturer to go out of our way to specifically machine these new c-clips and shims so that our customers don't have to do this themselves.

Your comment really doesn't go down too well, especially as we are the only company pro-actively helping you with this... or you can go out and spend several hundred dollars on a shim kit from the other BMW Specialists if you don't want to wait.

Or maybe I should just back-off from this AU thread altogether and not help you at all, seeing as I'm not actually responsible for the AU market anyway? I am the US Sales Rep, not the AU Sales Rep. I am doing this to HELP you on my time, not because I have to. If you accept my help, you will have to be patient. If not, then...
He was just being sarcastic. Im interested in an Lsd, im sure i messaged you a few weeks back but no reply!
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      03-30-2015, 08:07 AM   #201
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Quote:
Originally Posted by MFactory View Post
ALL LSD's require backlash to be checked and set if necessary (sometimes it does, sometimes it doesn't). It does not apply exclusively to only our LSD, so either you are being sarcastic or.....?
...
Just FYI, any BMW specialist worth their weight will already know how to modify the oem c-clip and aftermarket shims to correctly install an LSD....

Your comment really doesn't go down too well, especially as we are the only company pro-actively helping you with this... or you can go out and spend several hundred dollars on a shim kit from the other BMW Specialists if you don't want to wait....
Yeah.. don't worry about Scotty... he can get a bit hot under the collar

As you say a reputable diff specialist should be able to solve this sort of issue anyway.

However, I appreciate your efforts and have been waiting patiently. I'd rather be armed with everything that is needed just to ensure it is done properly rather than risk an apprentice or someone who just whacks it in.
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      03-30-2015, 12:29 PM   #202
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Quote:
Originally Posted by bmwheath View Post
He was just being sarcastic. Im interested in an Lsd, im sure i messaged you a few weeks back but no reply!
Send me a PM and I'll see what I can do to help.
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      04-02-2015, 05:43 AM   #203
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Quote:
Originally Posted by bmwheath View Post
Also Scotty, was your lsd bolted or welded style? You have a 07'' correct? Large or small type diff housing?
It was bolted. Can't remember the type, I actually bought and had it installed nearly 6 months ago. It clunked from the first day it went in, and it still clunks today.

Been waiting since December for the prototype unobtanium shim circlips.

Quote:
Originally Posted by MFactory View Post
Just FYI, any BMW specialist worth their weight will already know how to modify the oem c-clip and aftermarket shims to correctly install an LSD. If you are DIY, the blame is not on us, however, we are the ONLY manufacturer to go out of our way to specifically machine these new c-clips and shims so that our customers don't have to do this themselves.

Your comment really doesn't go down too well, especially as we are the only company pro-actively helping you with this... or you can go out and spend several hundred dollars on a shim kit from the other BMW Specialists if you don't want to wait.
The differential was installed by a reputable 4WD & Performance tuning shop who do a lot of differential jobs. They noted that most installs that require adjustment come supplied with an install kit.

They could not set backlash because the circlips cannot be "machined" down...
If you remove thickness from one clip, you need to add thickness to the opposite clip. If you don't, you're simply adding play between the shafts.

So... the product was sold as a drop-in, direct fitment for our cars. Yes, it does require an experienced installer, but how were they expected to have specialist BMW circlips on hand, when you know that they aren't sold individually by BMW?

It just seems like a poorly planned product that was sold as drop in replacement, when it wasn't. Basically it's source-it-yourself half kit.

Of all the BMW pieces we have to take out to fit the LSD, we're now being told we can't take them ALL out because the M-factory LSD doesn't include ALL new required replacements in their kit...

We have to re-use some BMW parts to fit the LSD.

Oh, but wait those OEM BMW parts won't fit either, so just machine them down...

Oh, but wait, you can't machine one side down, as you need to then increase the dimension on the other side, but you can't 'add' thickness by machining. So use a new circlip.

Oh, but wait, you actually need a thicker than OEM circlips for machining, but BMW don't sell individual differential parts, and due to the circlip design you can't just use a generic shim kit.

Now M-factory realises the oversight and promises to machine some circlips to solve the problem... but they promised that almost 5 months ago... for some circlips. I am usually very patient, but I can't understand why there is so much testing and development required for a circlip that should be basically identical to what is already there... just slightly thicker dimensions.

I feel like something doesn't add up, so yeah, I am a bit annoyed.
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      04-02-2015, 10:42 AM   #204
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Again, as mentioned, ALL BMW LSD's are supplied as-is; none of them come with c-clips or shims. Infact, most Japanese, US or European LSD's are not supplied with c-clips or shims. That may be case with your AU Domestic Diffs, but certainly not the case with 90%+ of aftermarket LSD's on the market. The way you are posting, it's as if this is an MFactory-only problem, of which it is not. I understand that you are frustrated, but you are specifically targeting us with this problem and making it out as if we're the bad guy here, when all I am trying to do is help.

Yes, we admit that this can be a problem for "some" (not all, as a lot of places do know how to shim a diff), which is why we are going out of our way to fix this problem. If you are upset with the wait, then may I suggest you take it to a better mechanic?

If your current mechanic has all the experience that you say, then it should be no problem for them to machine down the oem c-clips and then fill the space with shims (which is what every BMW specialist has to do. How do you think we manage to install all these LSD's? It's not magic, it's common sense) to set the correct backlash. You don't need the oem BMW shims; if you have an experienced installer.

Anyway, good luck with our AU sales rep (who isn't on this forum BTW, so you'll have to email/call him). You can contact him when the shims are ready. I'll just hop on back to where I'm supposed to be i.e The US forums.
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      06-14-2015, 10:15 AM   #205
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Bump. Anyone had luck with installing this LSD in Sydney and can recommend someone?

And don't say any more, Scotty lol. I've PMed MFactory for shims just in case.
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      07-17-2015, 05:34 AM   #206
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MFactory have shims ready apparently guys

http://www.1addicts.com/forums/showp...2&postcount=35
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      07-19-2015, 09:08 PM   #207
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Any reviews/feedback on these LSDs?
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      07-20-2015, 05:00 AM   #208
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LotusBMW had the M-factory installed with no probs as far as I know but he has some fairly serious hardware in the garage so I'm sure he knew about the backlash/shimming and had it done properly. He was happy with it anyway.

http://www.e90post.com/forums/showth...1028838&page=4

I assume a good diff place could machine the parts but I'd rather have them with me so I will wait patiently. But I agree it has been a long wait.

Mfactory - please update us again once the shims are ready.
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      07-20-2015, 11:05 AM   #209
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I already updated everyone in the other post linked above.
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      08-02-2015, 04:46 AM   #210
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i have had some PM's about who i used to install my diff etc. i've put together my experiences in the following post, i hope it helps you guys out with your installs
http://www.e90post.com/forums/showth...0#post18354000
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      09-17-2015, 06:42 AM   #211
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Anyone else installed their diffs yet? Been a while?
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      10-12-2015, 01:28 AM   #212
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Looks like I am real late to the party but is this deal still available. I have a 2006 E91 335i Touring auto. As I understand it it has the large case and bolted ring gear. Is there a suitable option for this car?
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      02-29-2016, 07:39 AM   #213
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Quote:
Originally Posted by MFactory View Post
The pinion fitment was entirely my fault (I didn't realise the AU fitments were different until just recently), but we are sending out the correct fitment to c0ris07 (one of our vendors have the AU fitments in stock).

For the bearings, the oem bearings can be re-used, as long as you are careful when removing them and they are in good condition.

For the shims, these are the one that we use:



The oem shim on the top (i.e the snap ring) ranges from 3.8mm to 4.3mm thick. As it is impossible to purchase these new, you either have to use the thicker shim and grind it down to size or, you do what most diff specialists do, and make up smaller shims (the shim on the bottom. 0.05-0.1mm thick) that fit under the bearing races. This allows you to move the diff around slightly to adjust the backlash.

Recognising the difficulty in finding these shims, we are currently having a large batch of them made up. We should have these ready to go sometime in January, and all LSD's sold will have a shim kit included (2 x 3.8mm snap rings + a few race shims)
Looking to purchase shim kit for MF-TRS-05E46A install
for a 2008 E92 BMW
Cant seem to locate this kit or seals and bearings, drive shaft seal or axel seals on your website
Any help would be appreciated
Thanks
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      03-02-2016, 05:07 AM   #214
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Quote:
Originally Posted by tenji View Post
this group buy still going? could be interested.
Same here.
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      03-02-2016, 05:54 AM   #215
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Quote:
Originally Posted by DAT335 View Post
Same here.
Seconded
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      03-02-2016, 06:46 AM   #216
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      03-02-2016, 09:15 AM   #217
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lol no chance in hell at the current exchange rate you'd think. They retail for 1000 USD which is nearly 1400 AUD. Worth emailing them maybe, but $650 AUD off would be pushing it
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      03-02-2016, 03:03 PM   #218
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did scotty get his clips?
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      03-03-2016, 04:30 AM   #219
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did scotty get his clips?
Clip, not plural. $90
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