BAVauto CAT

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  • olde30is
    Noobie
    • Apr 2008
    • 9

    #1

    BAVauto CAT

    I installed a new after market Cat from BAVAUTO.com. When the car reves above 3k rpm, it makes a buzzing sound. Otherwise all is well. Will this go away after break in?

    Thanks..
  • SamE30e
    R3V Elite
    • Sep 2007
    • 4319

    #2
    Something is loose..?
    1985 325e 2.8 Turbo VEMS

    Comment

    • kamotors
      R3V OG
      • Nov 2007
      • 7102

      #3
      mine did that after seafoam, then it went away, but i had a catco cat.


      7speedshop.com

      Comment

      • FLUTE007
        E30 Addict
        • Feb 2008
        • 485

        #4
        leak?

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