Exhaust stench in car?

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  • Fusion
    No R3VLimiter
    • Nov 2009
    • 3658
    #1

    Exhaust stench in car?

    I get some exhaust stink inside, but only with windows down and foot off gas pedal in gear.
    Anyone have an idea how to find the source?
    The pass. side harness firewall hole isn't plugged, but I don't think that's where its coming from.
    Tags: None
    • CW325
      E30 Fanatic
      • Jul 2011
      • 1434
      #2
      Under the shift boot there is a rubber boot. Check to see if thats ripped.

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        • Fleksta
          Advanced Member
          • Nov 2006
          • 182
          #3
          Check to see if the flange at the cat-to-midpipe is snug and/or not broken.

          Mine had developed a crack there.

          1987 325e - 5 speed - Mods: 3.25 LSD, Mark D Chip, Bilstein HD's, Ansa Sport

            Comment

            • Fusion
              No R3VLimiter
              • Nov 2009
              • 3658
              #4
              Originally posted by CW325
              Under the shift boot there is a rubber boot. Check to see if thats ripped.
              Seems to have done the trick. Thank you.
              I don't have an "upper" shift boot so I fiddled with the rubber one today and seems to have gone away. Not ripped, probably misaligned.

              But I will check the exhaust, could be cracked cuz M50 pipe sags and hits everything.

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