Vibration at idle and bad when at 2500 RPM

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  • Hartacus
    Member
    • Dec 2016
    • 44

    #1

    Vibration at idle and bad when at 2500 RPM

    I'm not sure if it's the motor or the driveline. When I turn on the car I feel a slight vibration that you can easily feel in the steering wheel. When I'm on the highway and the engine hits 2500 rpm, the car starts to shake badly. If I let off the gas the vibration starts to decrease. I just balanced all the wheels and got an alignment. Any ideas?
  • McGyver
    R3V Elite
    • Jun 2009
    • 4434

    #2
    Do you have a misfire?
    sigpic
    1987 - 325i Convertible Delphin Auto [SOLD], 325i Convertible Delphin Manual [SOLD]
    1989 - 325i Convertible Bronzit m30b35 swapped [SCRAPPED], 325i Sedan Alpine Auto[DD]
    1991 - 325i Coupe Laguna Manual [Project], 535i Sedan Alpine [SCRAPPED]

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    • It's Soda Not Pop
      E30 Modder
      • Jan 2022
      • 854

      #3
      How old are your mounts and bushings? How does your guibo look? Does your car feel down on power?

      88' Seta 2.7i Zinno

      https://www.r3vlimited.com/board/for...430-my-88-seta

      Comment

      • Hartacus
        Member
        • Dec 2016
        • 44

        #4
        no misfires, Im assuming the mounts and the guibo are original. I just ordered new ones hopefully that works. Any advice while swapping out both?

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        • StevE30ic
          Noobie
          • Dec 2024
          • 3

          #5
          Control arms.

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