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Z4M zero juice after 1wk vacation !??!?!

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    Z4M zero juice after 1wk vacation !??!?!

    hi all, quick question. after a 1 week vacation, i get back to my 2006 Z4M convertible, all excited to go for a spin and run a few errands but the car was completely dead. even the remote lock didn't work. i called axxa, got a boost .. by actually removing my battery .. then replacing it. i let the car run for about an hour .. driving it around and then when i turned it off .. again, absolutely dead. no lights, no nothing.

    what's the issue here ? the battery is less than 1 yr old .. so ??

    please let me know what you think.

    thanks,

    qbn

    #2
    i guess it may be the alternator that charges the battery, it may be dead for some reason and not charging.

    Comment


      #3
      Alternator.. That's a common problem for S54 engines..
      Drive To The Satisfaction... A Dreamer's Pursuit

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      Comment


        #4
        +1
        Current
        E92 M3 - Mineral White
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        Past
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        Comment


          #5
          Yeah look like an alternator issue, have it check.
          sigpic

          2004 X5, HAMMAN - SOLD
          2006 Z4M - SOLD
          1967 SHELBY GT500CR - SOLD
          2001 Ferrari 550 Maranello - SOLD
          2001 Ferrari 456 MGTA - CURRENT
          2006 Hummer H3 -CURRENT
          2003 Citroen Saxo 1.1 - Special Mongol Rally 2012 - SOLD TO CHARITY
          1997 E36 M3 - PROJECT CAR
          2008 Ferrari 312 Scaglietti - CURRENT

          Comment


            #6
            Originally posted by jeanloup View Post
            Yeah look like an alternator issue, have it check.
            JL, car is on its way to you guys. towtruck coming @ 10AM to meet me, so might reach you by noon .. spoke with Ayham yesterday.

            send me your new # plz .. we'll talk later.

            thanks,

            george

            Comment


              #7
              Hey George,

              Sorry I just saw this message now, you can call me on 043791386
              sigpic

              2004 X5, HAMMAN - SOLD
              2006 Z4M - SOLD
              1967 SHELBY GT500CR - SOLD
              2001 Ferrari 550 Maranello - SOLD
              2001 Ferrari 456 MGTA - CURRENT
              2006 Hummer H3 -CURRENT
              2003 Citroen Saxo 1.1 - Special Mongol Rally 2012 - SOLD TO CHARITY
              1997 E36 M3 - PROJECT CAR
              2008 Ferrari 312 Scaglietti - CURRENT

              Comment


                #8
                What are the chances that a rat has chewed on the wiring loom (during your week long holiday) creating a short circuit resulting in the battery drain?

                Comment


                  #9
                  s54 alternator common problem? really?
                  Bimmerian. Carma FF race exhaust. BMW DMK 6 Ultra Short Shift kit. CDV X. BMW Performance CSL 19" Rims. Apex. Stop-Tech. RPI. APR Aero. CSL intake. Epic Alpha-N. KW Clubsports. GC race sways. Tillett. Sabelt. 288/280. SuperSprint s1 - cats. Custom roll bar, rear STB, ME stb, Brembo 6x4 :w00t:

                  Comment


                    #10
                    oh man .. i hope there's no rats in our garage :D !! but i guess you never know. car is in good hands now w the folks @ DAS .. waiting to hear on the report. thanks for your help.

                    Comment


                      #11
                      You can check if the battery voltage with a simple multimeter. Check voltage across terminals is above 12V, say around 12.5-12.7V when off, and check again with engine on and the voltage should be higher to 13.7-14.1V if not in that range, then the alternator is not supplying enough juice. But I would take it to a petrol station and cheque amps, battery maybe not holding current, damaged cells etc. If the battery cheques out, then pay attention to the alternator. I believe that the OBC has a battery diagnostic as well....maybe look into that reading as well.
                      '94 Avus Blue e36 m3
                      2007 LWB Prado. 2" IVD lift.GPS 276C.Bashplate.Rear Pintle Hook

                      Comment


                        #12
                        Did we find out what the drama was?
                        Bimmerian. Carma FF race exhaust. BMW DMK 6 Ultra Short Shift kit. CDV X. BMW Performance CSL 19" Rims. Apex. Stop-Tech. RPI. APR Aero. CSL intake. Epic Alpha-N. KW Clubsports. GC race sways. Tillett. Sabelt. 288/280. SuperSprint s1 - cats. Custom roll bar, rear STB, ME stb, Brembo 6x4 :w00t:

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