No crank sound at all?

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  • Rouvld
    E30 Addict
    • Sep 2014
    • 569

    #1

    No crank sound at all?

    I just went to start up my e30 just now and there was no type of engine turnover sound. When I turn the key to the crank position nothing happens, not even a sound of the engine trying to start, it's silent. All the electronics come on when I turn the key. I'm thinking it could be the CSP (crank position sensor)?? Any help would be appreciated.
  • reelizmpro
    R3V OG
    • Dec 2003
    • 9465

    #2
    Most likely a bad starter solenoid.
    "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

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    • AndrewBird
      The Mad Scientist
      • Oct 2003
      • 11897

      #3
      Your battery might be dead enough to not be able to activate the starter, but still be able to power everything else in the car.

      Do the windows roll up and down slower than usual?

      Comment

      • ELVA164
        R3V Elite
        • Dec 2011
        • 4861

        #4
        Assuming the E30 is like other cars, the solenoid would click at least if it's not functioning properly. I'm in the "low battery" camp on this one.
        Interested in vintage cars? Ever thought about racing one? Info, photos, videos, and more can be found at www.michaelsvintageracing.com!

        Elva Courier build thread here!

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        • Das Delfin
          R3VLimited
          • Sep 2014
          • 2293

          #5
          check your battery first since it's the easiest to check. Is it 5 years old? Have you noticed it cranking more slowly lately? Did you leave the lights or radio on recently and have to jump your car?


          it's a Kenny Powers quote on wheels

          Comment

          • Rouvld
            E30 Addict
            • Sep 2014
            • 569

            #6
            UPDATE yesterday day I did jump my car and it started right up. So that eliminates the CPS. After I let it sit jumped to my other car, I drove it around the block and I died literally back in front of my door as I was coming back around the corner. The car seemed like it was struggling when I was turning the corner back to my house, like the rolling idle was loppy. By rolling idle I'm mean just putting the car in drive and lifting my foot off of the brakes, my cars an auto. I took the battery to interstate (where I bought it new last year) they said they were going to charge it and if it doesn't hold they'll warranty it.

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            • Das Delfin
              R3VLimited
              • Sep 2014
              • 2293

              #7
              have them check your alt too


              it's a Kenny Powers quote on wheels

              Comment

              • itsonlygeorge
                E30 Modder
                • Feb 2014
                • 852

                #8
                Alternator probably is going out or the brushes are making poor contact in the voltage regulator. Take the alternator out and take a look. IF you have a multimeter you can do a voltage test when running to test the alternator.
                sigpic
                1987 325e Lachssilber w/ MarkD chip and late bumpers, Zender EVO spoiler, s3.25 LSD

                Originally posted by nando
                I don't think there's really strong evidence that ZDDP harms cats.

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                • Das Delfin
                  R3VLimited
                  • Sep 2014
                  • 2293

                  #9
                  Any auto store can test your batt, alt, and starter all at the same time while they're in the car and the car can be started. But if you take them out they also have a machine they can put your alt on and test it by itself

                  It's going to be your alt or voltage regulator but more likely your alt.


                  it's a Kenny Powers quote on wheels

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