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    Exclamation MFactory Helical LSD's - Lifetime Warranty, 30-Day Money Back Guarantee!

    Helical LSD
    Click here to enlarge

    Gain a prominent advantage over the competition with the MFactory Helical Limited Slip Differential. Through the smooth and constant distribution of power to the wheels, the MFactory Helical LSD puts the power-to-the-ground and maximises your vehicle's traction. A must for any race car, be it Street, Strip or Track!

    Click here to enlarge Diamond Cut to exacting tolerances from Forged High-Nickel-Chromium-Molybdenum Steel
    Perfect fitment & finish ensures hassle-free installation & maintenance, each and every time

    Click here to enlarge Designed using leading-edge Solidworks 3D CAD & Cosmos FEA software
    Advanced Gear Geometry minimizes parasitic drivetrain losses. Race transmissions built with MFactory components transfer, on average, 1-2% more power to the ground over our competitors!

    Click here to enlarge Stress Tested on loaded dynos
    Ensures our differentials are strong enough to handle the shock loads encountered during racing, yet also durable enough to handle the variable loads encountered during day-to-day driving.

    Click here to enlarge 2nd Generation Design
    The MFactory v2 Helical LSD is lighter, stronger and more efficient than any other Helical LSD on the market today!

    Click here to enlarge Covered by the MFactory Feel The Torque™ 30-Day Money Back Guarantee!
    An Industry First! If you do not feel the difference after installing your new Limited Slip Differential, you may return the product to us for a full refund (excluding shipping costs) within 30 days of the purchase date

    Click here to enlarge Covered by the MFactory Lifetime, Globally Transferable Warranty
    Whether used on the Street, Strip or Track, all MFactory Helical LSD's come with a Lifetime, No-Hassle, Globally Transferable Warranty

    Click here to enlarge No-Load/One-Wheel Syndrome
    A common misconception is that a Torsen-Style Differential is useless under a no-load situation (e.g One wheel in the air). This myth has been further perpetuated by our competitors of whom have limited understanding of how a Torsen-Style LSD functions. This no-load situation does not apply to 90% of users. For the other 10%, there is a simple solution to the problem that our competitors will not tell you; simply tap your brake pedal.

    Click here to enlarge Manufacturing Process
    - SAE9310 Bar Stock imported from Japan to ensure the purest steel grades
    - All MFactory components are Forged. We do not use inferior Cast or Billet processes. Forged components are upto 30% stronger & tougher than the equivalent "Billet" component. Click here for further details
    - Advanced material processing, heat treatment & finishing techniques offer superior strength, durability and quality
    - Primary Heat Treatment: After the forged parts come off the press, they are Normalized and Annealed to relieve residual stresses and make them machine workable
    - Machining: After the forged blanks are completed, we use Industry-leading Multi-Axis CNC and CAM equipment to machine the parts
    - Secondary Heat Treatment: State-of-the-art Case Hardening procedure achieved via computer-controlled Gas Carburization and Quenching
    - Double-Tempering: A superior heat treatment technique used to decrease the brittleness and increase the toughness of our parts
    - Surface Grinding: Through the use of our state-of-the-art diamond grinding machines, we ensure all parts are smooth, precise and free of burrs
    - Super Sub-Zero Processing: An advanced treatment technique whereby the parts are cryogenically hardened at -300°F, realigning the steels crystalline structure for maximum strength, then heat tempered again for a 3rd time to ensure maximum toughness (resistance to fracture)
    - Micro-Peening: Our final treatment stage, the parts are subject to a high speed shot blast with our proprietary micro media, creating a super smooth surface

    Click here to enlarge Brand Comparison
    Click here to enlarge

    Click here to enlarge Fitments/Price
    Helical LSD E9X 320d (MT) for Final Ratio <= 3.07
    Helical LSD E9X 325i/328i/330i (MT)/335i 07+ (AT) for Final Ratio >= 3.15
    Helical LSD E9X 335i 05-07 (MT/AT)
    Helical LSD E9X 335i (MT)

    All fitments (exc 335i MT Mar 07+) $999.95 inc FREE Shipping within North America & Europe
    335i MT Mar 07+ $1779.95 inc FREE Shipping within North America & Europe. Includes $500 core exchange fee, refundable after you return your original Diff + Ring & Pinion

    Rebuild Service: Ship your pumpkin to us, or we can use a pumpkin that we have in stock, and we'll handle the rest!
    - Prior to assembly, all parts are cleaned, inspected, and polished in a deburring machine with ceramic media
    - Preload, gear clearance and torque will all be inspected and adjusted for superior performance
    - Housings are media blasted to give a 'better than new' look
    - Simply add $500 onto the cost of the LSD for this rebuild service
    - If you wish us to ship you a pre-built pumpkin first, there is an additional $500 core charge. This is refundable after we receive your old pumpkin back

    Some images of a recent rebuild:

    Before:
    Click here to enlarge

    Cleaned in our Ceramic Tumbler:
    Click here to enlarge

    LSD Installed:
    Click here to enlarge

    Finished Pumpkin:
    Click here to enlarge

    For further information, please CLICK HERE to Contact Us, or send us a PM

    About MFactory
    Established in 2004, MFactory Competition Products has since grown to become one of the Leading Global Manufacturers of high performance off-the-shelf aftermarket transmission components, with our large range of Forged Final Drive Gears, LSD's and Close Ratio Gears offering enthusiasts undeniably THE most cost-effective method of performance improvement, far surpassing that of conventional engine tuning.

    Being a specialist in this industry requires focused knowledge that can only be gained through years of first-hand testing and tuning experience. Challenging the old adage that 'there is no replacement for displacement', MFactory Competition Products have become a prominent figure in the highest levels of Motorsport, with class-leading recognition the world over in Circuit Racing, Drag Racing and Rally.

    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:

    Click here to enlarge Official OEM to Honda of America's Motorsports Divisions
    Click here to enlarge World's Largest Manufacturer of Forged Performance Transmission Components for Japanese and European Automobiles
    Click here to enlarge North America's Largest Manufacturer of Limited Slip Differentials for Japanese and European Automobiles
    Click here to enlarge North America's Largest Honda/Acura Performance Transmission Specialist
    Click here to enlarge The World's Only Performance Transmission Manufacturer to offer a 30 Day Money Back Guarantee!
    Click here to enlarge The World's Only Performance Transmission Manufacturer to offer a Discounted Trade-in for a Competitors Product; even if it's damaged!

    Want more Information? To view our complete company profile and manufacturing processes, please CLICK HERE to visit our website

    Some Customer Reviews
    Click here to enlarge Originally Posted by huber
    Hi guys, thought I'd post a quick review of the MFactory LSD on my E92 335i. I had this (and a few other goodies) fitted by Advan Performance not long ago.. I can't speak highly enough of Advan Performance and BMR Autowerkes - they've been my one stop shop for mods.

    It's been pissing down rain recently in Sydney, so I haven't tested the LSD in anger (nor with DSC/DTC off - will try this some time in future). In the wet, the difference is night and day with the LSD. The traction control lights used to go bezerk even during light throttle, but with the LSD fitted, the car grips and accelerates far better in the wet, and requires much more throttle for traction control to kick in. Definitely much better grip, acceleration and predictability when accelerating in the wet.

    In the dry the difference is especially noticeable coming hard out of tight corners. The traction control won't react fast enough to catch the car before it slides out slightly, so beware of this. In a straight line (in the dry) the traction control definitely kicks in less with aggressive driving, but with the power the car puts down, its impossible to avoid wheel spin if you mash the accelerator (JB4/downpipes) - need to learn to gradually apply throttle to the point just before loss of traction. Hard to feel whether acceleration off the line has improved much, but I'd imagine so.

    The MFactory LSD is very quiet, except there is some slight delayed backlash(?) noise when I come off the throttle after accelerating hard. I'll get this checked out when I get the car serviced in the next month or so (and diff oil changed out), but even if this noise is normal, I could easily live with it.

    Was it worth the money? Probably, for the sake of occasional spirited driving and driving in the wet.. but I'd imagine most of the benefits would be seen on a track.
    Click here to enlarge Originally Posted by Obi Wong Kenobi
    Let me first say that I was a little skeptical of putting anything except an OS Giken, ATS/Carbonetic or Quaife in my 135i. I've had experience with all 3 brands, plus Kazz in my past cars and the LSD is a huge part of how the car feels navigating corners on the track and the twisties.

    Enter MFactory with their excellent customer service and very fairly priced product:

    http://www.1addicts.com/forums/showthread.php?t=943830

    While surfing the forums and killing some time while at work, I started to read up on their thread. I can't lie, the price was the first thing that attracted me. For under a grand, I could get a forged helical LSD unit that would suit the needs of what I had planned for my 135i. A low noise, stealthy daily driver that was fun to drive. What really appealed to me was they had built pumpkins with a 3.46 final drive and LSD in stock for under $2000 shipped (if you send back your core). At that price, I bit the bullet and eagerly awaited my new purchase.

    During the time, I was installing M3 arms front and back along with the BMW Performance suspension. Already installed is a Cobb V3 and downpipes. Even with those mods, I was having serious traction issues in first and second gear. Before getting any more performance mods, a LSD needed to be addressed.

    Once all of it was done, the 135i honestly feels like a completely different car. Two years ago, I had a chance to drive the 1M and my 135i is coming close to what that car felt like. The MFactory LSD and suspension really transformed the vehicle. I've had about 4 full days of driving it with the LSD and I'm very impressed. Obviously, since the diff was already installed, I didn't get to see the quality of the item first hand. But knowing it's a forged unit and now my traction issues has been addressed, I'm a happy camper! I can now put the power down and more importantly, hang the tail out on command. Click here to enlarge That's something I never had a chance to do as well with my Cayman S or E46 M3 since low end torque was lacking. Not to say you couldn't do it at higher speeds... but that's a little more reckless around the city!

    I'm sorry for the long winded review, but for my needs and as my daily street car, this MFactory unit is spectacular. I plan to try to squeeze in an autocross or two before the winter and visit some tracks next year and I'm confident this will help. If you're looking for a quality unit without breaking the bank, I believe MFactory should be high on your list of considerations.
    Click here to enlarge Originally Posted by snaimpally
    Got my 3.46 M/T LSD installed and wow, what a difference! I like to take corners fairly sharply and I used to feel traction breaking and the tires scrambling to get traction. Not any longer, however. The car now corners like it is on rails. Full review to follow but if you have rear wheel drive and a JB4, you are not getting all your power down. An LSD is a MUST HAVE for rear wheel drive cars with the kind of horsepower our cars have. The Mfactory LSD is very quiet (I had read some people complaining about noises from their LSDs) and works very well. The car feels absolutely glued to the ground, especially when going around corners. If you check prices, you will find that Mfactory's current pricing is a heck of a deal, particularly for the 3.46 M/T LSD for welded transmissions.
    Click here to enlarge Originally Posted by blown07
    Finished the install today and went for a drive. Diving normally the car is as quiet as it was before and no vibration at higher speed so I was happy about that. The rear feels more heavy/planted in the back end going over uneven roads which surprised me....less "tail wagging". Well yes there is definetely more traction. I drove the whole time with DTC off and on a couple of the "greasy" roads where it would normally spin all through second did DSC intervene. I need to up my boost limit in second from 12psi and try again on some good roads. I tried a few mild first gear launches and seemed way better but still some controlled spinning. I did notice the small clunk from the diff when sitting still with brakes on and going from reverse to drive. From drive to neutral and back to drive there is no noise.....need to go and make sure the axle bolts are still tight ...cheers.
    Click here to enlarge Originally Posted by najin23
    Same here. Just a bit of clunk from stand still to the first gear. Other than that this is one of the best mod i d ever done with a great price. No tale waggle on wot and hard first gear turn with a great control under slipping....u simly will grin after grin from the fact that this car has unlimited potential. With my new inline along with this lsd, i am back again. Kw is next.
    Click here to enlarge Originally Posted by jyamona
    So it took me awhile to finally write this review up, but I do have a solid amount of miles on the LSD and lockdown kit at this point which is a good thing.

    I ordered the LSD through Steven @MFactory. We corresponded mostly through email, and he was always very responsive...even when traveling out of country. I did their core exchange program, and picked up a 3.46 LSD for my 6MT car, as I heard nothing but good things about the final drive change.

    After they received my payment, they began reconditioning a large housing bolted pumpkin they had there and prepping it for the LSD. Once the oil seals arrived, it only took them a day to have it prepped and ready. One of the pics attached below so it in its prepped state. Shipping was fast as well, and it was at my door a few days later. It was super clean, and the pumpkin was freshly coated black I had Rick@Defiv fit me in his busy schedule for an install, and decided to get the lockdown kit done at the same time.

    Rick and I had the whole diff swap + lockdown install process done in about 4hrs, including pizza and drink breaks. Not bad at all. We took it out on the road for a quick spin to verify everything was solid, then I was on my way. Thanks again Rick!

    I've been driving on it for about 800 miles now over the past month or so, and I love how it has transformed the car. The LSD still adds forward thrust to the car even while spinning in 1st and 2nd. Previously, my car would get very unpredictable, and start to kick out the rear in either direction. Now it is planted and firm, just pushing you forward. Traction is greatly improved. It's also great to be able to rotate the car easily with the gas pedal going around turns and you can literally "feel" the LSD working. The 3.46 final drive + my worn tires aren't doing me any favors currently, but I will be switching to some r-comp semi slicks very soon, and going wider.

    Running the Cobb Stg 2+ basemap at the strip w/ the LSD and lockdown kit, I was running consistent 12.6 @ 113-114mph all night. I couldn't get lower than a 2.0 60', but that is my tires fault. IAT's per my logs were very high too (105*+), since it was a warm night and. I fully expect to hit 12.1 - 12.2 simply with better tires. Then a PTF pro-tune to get me into the 11's on stock turbo, 6mt, 93oct.

    I highly recommend that anyone making power get an LSD. You don't really know what you're missing out on until you experience it. mFactory was great to deal with and their product performs extremely well. Same goes for the defiv lockdown kit. Together, it's a killer combo.
    Click here to enlarge Originally Posted by TT-Tom
    I know a lot of people have been looking for, candid, feedback on these differentials, so here you go.
    I have a 2008 135i with a bolted diff for reference.
    The install was actually EXTREMELY easy, backlash on the new diff vs old was actually almost exactly the same. No trimming of the housing was required and the bearing races came right off the old and onto the new with ease.
    The pumpkin came without completely pulling the driveshaft, just dropped the axels and loosened the drive-shaft nut, out it came no problem. I also installed the purple powerflex bushings at the same time, this took longer than the entire diff install as my oem ones were pretty stuck in there and you can't use heat on the thin parts of the subframe. After awhile they came out with a small press setup.
    With the car back together I took it around the block a few times and can happily report no clunking going from reverse to drive, no whine, and a lot less drivetrain slop with the bushings. Traction wise in a straight line is hard to tell because i need some new rubber soon but the burnout test says that both wheels are turning Cornering now feels like I can use the skinny pedal to turn the car instead of it pushing the front until massive oversteer happens. I only have a few miles on it but I wanted to sing praise for a great, perfectly priced, high quality product. If anyone is going to put something through its paces it will be me I will be going to the track soon and will report back with long term results.
    Click here to enlarge Originally Posted by paraklas
    I would like to start this review by declaring that I have no affiliation with any of the mentioned companies.

    I have been researching for an economical solution to add an LSD (Limited Slip Differential) on my car; E46 320CI with s/s. My requirements would be a plug and play solution without case modifications (thus eliminating clutch-based units) at a reasonable price tag. Car being 13 years old, I did not want to spend a large amount of money. The popular options that I found was the Quaife (established brand, widely used) and Wavetrac (newer brand in the BMW E46 field, higher tech, unique features), with similar price tags; (750 GBP and 1200 USD respectively).

    Relatively recently, I stumbled across the LSD unit from Mfactory. I went on their website and checked in their wide model based if there is a unit suitable for my application/vehicle (mine is 3.38 final drive ratio, 188K case). I was a bit skeptical at first due to the fact that the LSD is manufactured in Taiwan (vs UK / USA for the other 2), but after reading a lot of reviews from both BMW and JDM world, I decided to proceed purchasing it. The cost was lower than the competition as well which is a big plus and also the lifetime transferable warranty.

    We took the car for a (very spirited) test drive and what a difference!!! Specially in the corners, the power delivery is quite different and you can really feel the car pushing hard throughout the corner. There was no ASC intervention throughout the test drive (it was enabled) and there were no issues i.e. odd noises upon acceleration/deceleration.
    Overall I am very pleased with this purchase, highly recommended to anyone considering an LSD unit. I commute around 600miles / week, so I will provide in short time a 2000 mile review.

    For some reason I take the long way home instead of the short Click here to enlarge.
    The diff is still super quiet, no leaks/noises. There is no increase on the case temperature after LSD install so I will skip the Z4 finned cover for now.
    Last edited by MFactory; 11-14-2014 at 04:03 PM.
    - MFactory Competition Products
    -- technik.teamMFactory.com --

    Got Questions? Read our Limited-slip Differential FAQ: http://www.bimmerboost.com/showthrea...fferential-FAQ

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    All fitments mentioned above are In Stock & Ready To Ship!

    135i/335i with Welded Diff
    I know a lot of you have the 135i/335i with the Welded Diff, therefore our bolted diffs on sale above will not fit.

    Our solution for you guys is simple: We will make a new Ring Gear + Pinion for you (we can even make new ratios for you guys, if the interest is there?). So instead of spending $600-700 on so-called "install kits" and the lead-time associated with shipping your oem diff back-and-forth just to be able to install an LSD, you will now be able to purchase the correct ring gear + pinion for ~$300-400 (tbd, but it won't be more than this), no hassle. And yes, the ring gear + pinion will work with a competitors LSD as well Click here to enlarge

    We have sourced a sample welded diff and are taking our measurements just now. We should hopefully have something for you welded-diff guys within the next couple months or so.
    - MFactory Competition Products
    -- technik.teamMFactory.com --

    Got Questions? Read our Limited-slip Differential FAQ: http://www.bimmerboost.com/showthrea...fferential-FAQ

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    Current Group Buy Lists (for the 20% discount) Click here to enlarge

    135i/335i AT Bolted Small Diff (Sep 07+):
    1) NJz
    2) AYEDEE- AT bolted Sep 08 (from the E Forum)
    3) viperware - AT bolted Oct 09 (from the N Forum)
    4)
    5)

    335i MT/AT Bolted Large Diff (Aug 06 - Feb 07):
    1) Begood69 - AT bolted - may 07
    2) bme30 - MT Bolted '06 (from E forum)
    3) JStang - AT Bolted - Jul '07
    4) shum2004 - AT Bolted '06 (from 1 forum)
    5) blown07 - AT Bolted '06
    6) nitehawk - MT bolted - Feb '07
    Last edited by MFactory; 04-17-2014 at 01:36 AM.
    - MFactory Competition Products
    -- technik.teamMFactory.com --

    Got Questions? Read our Limited-slip Differential FAQ: http://www.bimmerboost.com/showthrea...fferential-FAQ

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    how long till you figure out a welded diff? i need a 2.56 for a 2012 bm135 dct
    Click here to enlarge <-- Click on pic for the build thread Full 1m conv. Pure Stage 2, helix intercooler, JB4 E85, Seibon Gtr hood, Sparta Evolution calipers and rotors, black lines, apex ec'7s, cks coil overs

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    For the regular 135i/335i, we already have the LSD available. We just need to make the new ring gear + pinion so that you guys can install it. This is currently under way and should be within the next 2-3 months.

    For the 135i DCT/335is DCT/335d, we just managed to source an oem pumpkin there, and will need to make a new LSD as well as ring gear + pinion for this. As soon as we receive the sample, we will take our measurements and proceed with production, but will be a few months away yet.

    All of the initial ring gear + pinions that we will be making, will be the standard oem ratios (aftermarket ratios will follow, but we don't want to get ahead of ourselves yet). So for the 135i DCT, it will be a 2.56, yes.
    - MFactory Competition Products
    -- technik.teamMFactory.com --

    Got Questions? Read our Limited-slip Differential FAQ: http://www.bimmerboost.com/showthrea...fferential-FAQ

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    Do you have any more final drive options?
    Chrome Space Bar Issue: http://www.boostaddict.com/showthrea...338#post738338


    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
    : http://www.boostaddict.com/showthrea...r-kit-for-sale

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    All of the initial ring gear + pinions that we will be making, will be the standard oem ratios (aftermarket ratios will follow, but we don't want to get ahead of ourselves yet)
    - MFactory Competition Products
    -- technik.teamMFactory.com --

    Got Questions? Read our Limited-slip Differential FAQ: http://www.bimmerboost.com/showthrea...fferential-FAQ

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    1 out of 1 members liked this post. Yes Reputation No
    When the solution for the welded diff is ready consider me sold Click here to enlarge
    Click here to enlarge
    MOTIV750, MOTIV P-1000 PI, MOTIV/FUEL-IT! low pressure fuel system, AEM EMS/COBB AP, Aquamist HFS-3, ETS FMIC, SPEC stage 3+ clutch/SS flywheel, BC Racing coilovers and VMR wheels wrapped in Hankook RS3s.

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    You stated ~500whp, what are the issue's that we may face going north of this #?

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    Our Helical LSD's will hold in excess of 1000whp. It is only the Plate LSD's that are rated to 500whp as these were designed for track cars (circuit racing), of which not very many would be over 500whp. If you are street or drag racing, the Helical LSD is by far the best (and safest) choice. Everyone talks down on Helical LSD's, saying that when one wheel loses traction, it turns in to an open diff. What the naysayers don't realise though is that most of the time when this would occur is one of two situations:

    1) You lift a wheel off the ground. Unless you are a serious track tracer (and if you were, you would go for the Plate LSD anyway), this is not going to happen
    2) You break an axle. Sure, if you break an axle, it would be good to still be able to drive the car, but when have you ever broken an axle when the car is stationary? Think carefully about this one. Now, what happens if you break an axle down the strip and you car does not stop? Yup, you guessed correctly; you go straight into the wall. With a Helical or Open Diff, this won't happen.

    But back to your question. The LSD itself (including the internal gears) will hold 500whp no problem whatsoever. The part that may fail are the clutch plates, which means they will need replacing.
    - MFactory Competition Products
    -- technik.teamMFactory.com --

    Got Questions? Read our Limited-slip Differential FAQ: http://www.bimmerboost.com/showthrea...fferential-FAQ

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    Thanks for the quick response. Put me down for the Helical LSD 07 335i MT. Whats the lead time?

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    I would be interested in a welded option.
    Click here to enlarge
    FBO's. Spec S2+. E85.

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    Click here to enlarge Originally Posted by NJrep335i Click here to enlarge
    Thanks for the quick response. Put me down for the Helical LSD 07 335i MT. Whats the lead time?
    Do you have the Welded or Bolted diff?
    - MFactory Competition Products
    -- technik.teamMFactory.com --

    Got Questions? Read our Limited-slip Differential FAQ: http://www.bimmerboost.com/showthrea...fferential-FAQ

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    Click here to enlarge Originally Posted by MFactory Click here to enlarge
    Do you have the Welded or Bolted diff?
    My assumption is bolted since I fall in the 06-07 year time frame?

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    Yeah, you will have the bolted diff then.

    Excellent, that makes a full list of 5 now for the 335i bolted large diff, which means you get the 20% discount. That makes the LSD $799.96 inc free shipping Click here to enlarge

    I'll pm everyone on the list regarding payment. Once all the payments are received, we will ship the LSD's out. We have them in stock, and shipping takes around 2-3 days via UPS Express.
    - MFactory Competition Products
    -- technik.teamMFactory.com --

    Got Questions? Read our Limited-slip Differential FAQ: http://www.bimmerboost.com/showthrea...fferential-FAQ

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    Payment sent!

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    1 out of 1 members liked this post. Yes Reputation No
    How about for awd cars, any idea of running two lsds for front and back. I"m very interested but not sure how this will effect the electronic nannies on the awd cars.

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    This is pretty exciting, can't wait for the welded option to get taken care of, 2-3 months is pretty good timing for me!
    2009 335i coupe back to stock...for now

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    I have the money, I just don't even know what diff I have. Bolted, welded, small, big, left, right etc LOL.

    I just want my differential to have LSD, no difference in final drive nada. I just want both wheels to lock up when I floor it.

    Oh, and the 500hp rating is the maximum? When do you think you can rate it higher? My car should be finished and have around 600whp, that's when I'll need the LSD.
    Burger Motorsports
    Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, and S63s!

    It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.

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    I'd be interested in a welded Helical with 3.15 gears

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    4 out of 4 members liked this post. Yes Reputation No
    Click here to enlarge Originally Posted by fastgti69 Click here to enlarge
    I have the money, I just don't even know what diff I have. Bolted, welded, small, big, left, right etc LOL.
    Look up your build date.

    Click here to enlarge

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    Click here to enlarge Originally Posted by BlackJetE90OC Click here to enlarge
    Look up your build date.

    Click here to enlarge
    Rep for being helpful.
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    Is the group discount capped at 5 people or thats just the minimum to get it started?

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    Click here to enlarge Originally Posted by BlackJetE90OC Click here to enlarge
    Look up your build date.

    Click here to enlarge

    thank you buy i have looked at that. I think I'm in the transition period where it falls in between both. How would I know by looking under the car?
    Burger Motorsports
    Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, and S63s!

    It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.

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    You can do a quick online search of your VIN and it should bring up the date of manuf.

    It's not capped at 5, no. We can keep adding to the list until we've received all payments. As soon as this happens, the list is reset and all LSD's are shipped out. FYI, 3 have paid so far, so still waiting for 2 payments.
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