BMW Limited Slip Differential Retrofit | CHEAP!

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Published 2019-04-21
In this video I show you how to retrofit a limited slip conversion kit that fits many BMW models.

This kit is a cost effective way to convert your open differential on your BMW to a progressive rate limited slip differential for only a fraction of what a fully assembled LSD would normally cost.

Here is a link to demonstrate how this kit works:

   • Understanding RacingDiffs LSD convers...  

If you're interested in this and are based out of the US please let me know in the comments.

Link to the axle seals (affiliate):

ebay.to/2ULkcer

Link to torque stick (affiliate):

amzn.to/2IFqHYS

Link to Red Lock Tite (affiliate):

amzn.to/2UxGdYU


In the next video we will install the differential housing back on the car.

Thanks for watching and consider subscribing for more content like this! When you see the word "affiliate" listed beside any link in my description please know that this is a custom link and I will earn a small commission if you opt to purchase using said link. This is at no extra cost to you so it's a win all around :) Thank you!

All Comments (21)
  • @Jdmlsturbo
    Honestly, don’t apologize for giving us a “ real world consumer experience “
    I’m not a bmw guy but very informative.
    Keep up the good work.
  • @jjohnston890
    Great video. Looking forward to the real world driving test to see how much it slips on low speed bends and normal daily driving. Hoping to purchase a kit for my MX5, but wanted to wait until i could find a full review first. Keep up the good work!
  • @woocash7488
    I don't have high expectations for this to work well but would love to be proven wrong so waiting for updates!
  • @JDMHaze
    I respect your videos, I just watched my first video from you today doing the LCI tail lights, I don't own nor am i a fan for BMW but I respect decent DIY. WELL DONEE
  • @Kipitrl
    Looking forward to the drive test..
  • @supramantt10
    Drive test? ... aka donuts? :)
    Your DIYs are great man - keep it up!
  • @mrz5705
    As always, fantastic presentation and very informative. Something is telling me I see potential problems ahead. Please prove me wrong.
  • @hunty92
    by the way everyone, it looks like their updated conversion kits no longer require you to have your spider gears machined!!!
  • @skeen1970
    Great vids as usual, really appreciate the out of the box thinking to save money.

    But I do want to point out a few gotchas I have learned over the years. 1) upon diff disassembly, mark everything you remove so it can be put back exactly as it was. 2) put some oil or assembly grease on any oil seals, not the out side but the inside where the seal touches the axle. 3) I would use a torque wrench for the ring gear or any bolts needing a specific torque value.
  • @CdtXcocaine
    finally ! was waiting that for a long time ahah
  • @tomasis7
    Awesome video!! Do you have a video about suspensions of e9x? Id love to see the detailed video about it. Im not sure about suspension choices.
  • @madmike5144
    Awesome video, it was nice to watch, but i have few question
    Is there new bearing, i mean is that just bolt on, no ring gear tooth touch check
  • @tinygunner4703
    Love the video but a torque wrench is what is needed not torque limiting sticks. Sticks are for use on air impacts so you can calibrate them via air pressure.
  • @MadRS
    Seeing that the springs aren't fully bound would it not be possible to add spacers under the springs to increase the initial lock up to say 30-35%. There is a fair bit of expansion when the bars are removed so you could make another set slightly longer (still keeping the plates close enough to slip between the gears) to hold the plates.
  • @NOTSOSLIMJIM
    Any decent lathe with carbide insert can cut that. Just need to run coolant so you don't mess up the temper. A mill can also tackle that.
  • @joepaquette7435
    Any info available for the new kit that includes the surface ground gears? I'm not confident about getting the input shaft or the gears ground or milled down.
  • @Soravia
    Use lubrication on install to prevent metal on metal damage!!!
  • @Soravia
    To clean gasket off, use 000 wool instead of razor blade. Soak in acetone, it will eat the gasket up quickly.