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  4. Lsd diff pricing

Lsd diff pricing

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  • B
    B
    B C
    wrote on last edited by
    #3

    I have paid $50-$275 for them in fair to good mechanical condition and poor cosmetic condition. Anything for $250 or below is worth snagging if it looks good and you can trust the seller. Anything over $300 and id demand to see a breakaway test to make sure it has good initial lockup. I believe 50 ft-lbs is the torque value

    The best LSD I bought was the S2.93 for $50. It was very tight, quiet, and had good lockup. Just an example that low cost does t always mean a POS

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    • EarlE
      EarlE
      Earl
      wrote on last edited by
      #4

      I had bought a super crusty one for $75. You can find them cheap when scouring part outs on Craigslist as Snap said

      museum sig 2earl.jpg

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      • B
        B
        Boris3
        wrote on last edited by
        #5

        OP is looking for a 3.73 lsd, diff price varies by lsd ratio and crustyness as Snap and Earl note.

        1990 325i racecar (ITS, former Spec E30); 2004 330i ZHP

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        • AsparagusMikeA
          AsparagusMikeA
          AsparagusMike
          wrote on last edited by
          #6

          So I started looking on Craigslist and there's a guy in Chicago (kind of a drive but may worth it) that's parting out an e30 and he's selling a 3.91 lsd medium case diff for $250....thoughts?...only had one pick of it.84ee9c45988f52d2f8bff8a585d13bfe.jpg

          Sent from my SM-G900V using Tapatalk

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          • B
            B
            B C
            wrote on last edited by
            #7

            in Medium Case, the 3.91 ratio only came out of an E30 325ix which would be a VLSD/viscous coupling and has a [V] stamp on it. If it was an S3.91 clutch-type LSD from an E28 or something else then that would rock. It will have an stamp if its clutch type (sperrdiff) which is german for "lock diff" or something. Not to be confused with "sperdiff" which would be german for Sperm Diff.

            That pic does look like a small-case diff from a 318is though. I could be wrong though.

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            • AsparagusMikeA
              AsparagusMikeA
              AsparagusMike
              wrote on last edited by
              #8

              Snap said:

              in Medium Case, the 3.91 ratio only came out of an E30 325ix which would be a VLSD/viscous coupling and has a [V] stamp on it. If it was an S3.91 clutch-type LSD from an E28 or something else then that would rock. It will have an stamp if its clutch type (sperrdiff) which is german for "lock diff" or something. Not to be confused with "sperdiff" which would be german for Sperm Diff.

              That pic does look like a small-case diff from a 318is though. I could be wrong though.

              He said it was a medium case so it's probably the vicious one then. That blows

              Sent from my SM-G900V using Tapatalk

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              • EarlE
                EarlE
                Earl
                wrote on last edited by
                #9

                Have him take a picture of the cover to see what size case it is. Also see if he can take a picture of the tag on the diff.

                museum sig 2earl.jpg

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                • AsparagusMikeA
                  AsparagusMikeA
                  AsparagusMike
                  wrote on last edited by
                  #10

                  I asked him about the tag, still waiting for a response

                  Sent from my SM-G900V using Tapatalk

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                  • AsparagusMikeA
                    AsparagusMikeA
                    AsparagusMike
                    wrote on last edited by
                    #11

                    So, funny story. Started talking with a guy on Craigslist that was selling e30 parts and I told him I was looking for a lsd diff and he asked me about my car and we got to talking and I gave him the last 7 digits of my social security #, jk. The last 7 digits of my vin and I guess he was some fleet manager for car parts and he looked it up and I guess I have 4.10 lsd! It felt like a second Christmas when he said that. So sorry for waistin ur time guys, I guess I don't need a diff after all

                    Sent from my SM-G900V using Tapatalk

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                    • D
                      D
                      Daggerty
                      wrote on last edited by
                      #12

                      AsparagusMike said:

                      So, funny story. Started talking with a guy on Craigslist that was selling e30 parts and I told him I was looking for a lsd diff and he asked me about my car and we got to talking and I gave him the last 7 digits of my social security #, jk. The last 7 digits of my vin and I guess he was some fleet manager for car parts and he looked it up and I guess I have 4.10 lsd! It felt like a second Christmas when he said that. So sorry for waistin ur time guys, I guess I don't need a diff after all

                      Sent from my SM-G900V using Tapatalk

                      Post burnout vids to prove it.

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                      • straight6pwrS
                        straight6pwrS
                        straight6pwr
                        wrote on last edited by
                        #13

                        better actually check. diffs can be swapped in a car's lifetime.

                        Dan
                        yajsYRL.jpg.e5f350b4dfe961d76ac8b32efce2e1a6.jpg

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                        • AsparagusMikeA
                          AsparagusMikeA
                          AsparagusMike
                          wrote on last edited by
                          #14

                          straight6pwr said:

                          better actually check. diffs can be swapped in a car's lifetime.

                          Why would u swap to an open diff?...and how can I double check?

                          Sent from my SM-G900V using Tapatalk

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                          • B
                            B
                            B C
                            wrote on last edited by
                            #15

                            62b2fdc8f62a9c744c399c41d8fcfd40.jpg

                            1. post burnout vids

                            2. check to make sure the tag on the diff cover says S4,10 then post burnout vids for confirmation

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                            • AsparagusMikeA
                              AsparagusMikeA
                              AsparagusMike
                              wrote on last edited by
                              #16

                              Well straight6pwr was right...must of gotten swapped out, fml. All this excitement for nothin

                              Sent from my SM-G900V using Tapatalk

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                              • AsparagusMikeA
                                AsparagusMikeA
                                AsparagusMike
                                wrote on last edited by
                                #17

                                And it's not letting me post the vid

                                Sent from my SM-G900V using Tapatalk

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                                • YoungCRY
                                  YoungCRY
                                  YoungCR
                                  wrote on last edited by
                                  #18

                                  AsparagusMike said:

                                  And it's not letting me post the vid

                                  Sent from my SM-G900V using Tapatalk

                                  Forum only uploads photos, you'll have to link it from Facebook or YouTube or another service.

                                  Chris Young
                                  BMWCCA #458972
                                  1986 528e/5  | 1994 530i/5 | 1995 540i/6 | 2013 X5 35d | 1998 C1500 Suburban | 1995 K2500 Suburban

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                                  • EarlE
                                    EarlE
                                    Earl
                                    wrote on last edited by
                                    #19

                                    That sucks. My compact came factory with an lsd but it was sold when the car was being parted

                                    museum sig 2earl.jpg

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