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    Main Relay

    what are usual symptoms of a bad main relay? and if my main relay were bad then wouldnt everything just not work at all??????
    '90 325is DD, 5 spd swap-H&R springs-Euro Headlight Fully Built OBD1 M54b30. Ox Blood interior, 3.46 LSD with Z3M Diff Cover. Custom shifter, every bushing replaced.
    '86 325e- Donor car for swap/parts car
    '00 323i- BBS 197s Totalted
    '89 740 turbo Volvo- Donated

    #2
    random cutting off of the engine with tach failure at the same time = bad main relay. eventually it can lead to a no start situation.
    Originally posted by Dozyproductions
    You know why you're drinking that Pabst? No its probably not because it was the first beer you grabbed. It's because you're a winner.

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      #3
      I had no power going to the main relay ==> no spark (no start obviously)

      1992 BMW 525iT Calypso
      2011 Jeep Wrangler

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        #4
        some good info here from stereoinstaller1

        http://r3vlimited.com/board/showthread.php?t=166857
        Originally posted by Dozyproductions
        You know why you're drinking that Pabst? No its probably not because it was the first beer you grabbed. It's because you're a winner.

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          #5
          well my engine shit off while driving but everything was still on (rpms, speed) then as i was slowing down from loss of power the engine came back on, now it doesnt start at all.
          '90 325is DD, 5 spd swap-H&R springs-Euro Headlight Fully Built OBD1 M54b30. Ox Blood interior, 3.46 LSD with Z3M Diff Cover. Custom shifter, every bushing replaced.
          '86 325e- Donor car for swap/parts car
          '00 323i- BBS 197s Totalted
          '89 740 turbo Volvo- Donated

          Comment


            #6
            fuel pump relay? have you tested your cps, and what motor are we taking about here.
            Originally posted by Dozyproductions
            You know why you're drinking that Pabst? No its probably not because it was the first beer you grabbed. It's because you're a winner.

            Comment


              #7
              Originally posted by quikveedb2 View Post
              fuel pump relay? have you tested your cps, and what motor are we taking about here.
              m20b25, i though it was the fuel pump relay so i bought a new one and still no start
              '90 325is DD, 5 spd swap-H&R springs-Euro Headlight Fully Built OBD1 M54b30. Ox Blood interior, 3.46 LSD with Z3M Diff Cover. Custom shifter, every bushing replaced.
              '86 325e- Donor car for swap/parts car
              '00 323i- BBS 197s Totalted
              '89 740 turbo Volvo- Donated

              Comment


                #8
                test tps, test everything @ the dme, check for spark, fuel, etc...

                do you have a bentley?
                Originally posted by Dozyproductions
                You know why you're drinking that Pabst? No its probably not because it was the first beer you grabbed. It's because you're a winner.

                Comment

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