Speedometer works Intermittently

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  • Killacortes
    E30 Mastermind
    • May 2010
    • 1937
    #1

    Speedometer works Intermittently

    So I was driving today and my speedometer wasnt working. Parked turned it off and went back on the road and was working again. Does anyone know what could have made it do that? Speed Sensor? A blown fuse wouldnt let the speedometer work at all. And all the other gauges work fine Tach, fuel, etc....
    Originally posted by blunttech
    r3v does not fuck around. First you get banned, then they shoot you
    Tags: None
    • dashboardmonkey
      FUCK YOUR WAFFLES
      • Jun 2008
      • 6158
      #2
      speed sensor in the diff
      -Andy

        Comment

        • reelizmpro
          R3V OG
          • Dec 2003
          • 9453
          #3
          Most likely the speedo itself.
          "I'd probably take the E30 M3 in this case just because I love that little car, and how tanky that inline 6 is." - thecj

          85 323i M TECH 1 S52 - ALPINEWEISS/SCHWARZE
          88 M3 - LACHSSILBER/SCHWARZE
          89 M3 - ALPINEWEISS II/M TECH CLOTH-ALCANTARA
          91 M TECHNIC CABRIO TURBO - MACAOBLAU/M TECH CLOTH-LEATHER

            Comment

            • kway
              E30 Enthusiast
              • Feb 2008
              • 1084
              #4
              Originally posted by reelizmpro
              Most likely the speedo itself.
              This. Next time it goes out try banging on top of the dash and see if it comes back. I've heard of people having luck with reflowing the solder joints, but I've never had any myself. Last time I needed one done I sent it to Bill Auberlen's dad's speedo shop in Cali. Forget the name right now but I'll post it later. North Hollywood Speedometer is supposed to be pretty good too.

              Edit: Paul's Speedometer Service: (310) 374-3017 http://www.yelp.com/biz/pauls-speedo...-redondo-beach

              His dad's not named Paul, but that's another story.
              Last edited by kway; 06-23-2010, 03:46 PM.
              '84 318i - Lapisblau/Schwarz (in cryosleep)
              '06 330i - Titansilber/Schwarz

                Comment

                • Mike
                  E30 Modder
                  • Nov 2003
                  • 932
                  #5
                  I can remove the kick panel, and tug on the harness that is the most left side of the cluster, and the speedo comes back to life. I do it while the car is at speed, and the kickpanel had been long since removed. I forget which pin numbers in the white plug are responsible for speed signal, but you test them looking for open/close as you roll the rear wheels.
                  Supatek -noun - your basic know it all

                    Comment

                    • Killacortes
                      E30 Mastermind
                      • May 2010
                      • 1937
                      #6
                      I heard there were soldered on batteries in the back of the speedo, but you have to get a whole new speedometer is that right?
                      Originally posted by blunttech
                      r3v does not fuck around. First you get banned, then they shoot you

                        Comment

                        • Vince30
                          R3VLimited
                          • May 2009
                          • 2318
                          #7
                          Buy a gps

                            Comment

                            • kway
                              E30 Enthusiast
                              • Feb 2008
                              • 1084
                              #8
                              Originally posted by Killacortes
                              I heard there were soldered on batteries in the back of the speedo, but you have to get a whole new speedometer is that right?
                              You're thinking of the SI board.
                              '84 318i - Lapisblau/Schwarz (in cryosleep)
                              '06 330i - Titansilber/Schwarz

                                Comment

                                • gone002
                                  E30 Modder
                                  • Dec 2007
                                  • 877
                                  #9
                                  check the back of the diffy... theres a cable that comes out and gets loose.. mine was

                                  i did the battery thing didnt do shit!
                                  bimmerboltsandparts.com

                                  bring back the neeked broads!!!
                                  sigpic

                                    Comment

                                    • Killacortes
                                      E30 Mastermind
                                      • May 2010
                                      • 1937
                                      #10
                                      fixed the speedo! got a new speed sensor
                                      Originally posted by blunttech
                                      r3v does not fuck around. First you get banned, then they shoot you

                                        Comment

                                        • Cabriolet
                                          R3V OG
                                          • Apr 2010
                                          • 9620
                                          #11
                                          i had the same thing happen on my 86 325es and it was the gear dying. replaced the gear and now it works 100% of the time.
                                          Much wow
                                          I hate 4 doors

                                            Comment

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