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Thread: Death rattle?

  1. #1

    Death rattle?

    So if I turn my engine off in neutral (manual) with my clutch out it rattles and clunks (DW's heard it) , but with the clutch in is no sound..what up wid dat?!

  2. #2
    Join Date
    Jan 1970
    Location
    Western WI
    Posts
    3,059
    Sounds like lightweight flywheel noise.

  3. #3
    Quote Originally Posted by mimalmo View Post
    Sounds like lightweight flywheel noise.
    That's exactly what I was thinking.

  4. #4
    Join Date
    Jan 1970
    Location
    Maine-Vacationland
    Posts
    1,961
    All E46s I have driven do that. My ZHP does it and my dads old M3 did as well. Not sure what it is though

  5. #5
    Join Date
    Jan 1970
    Location
    Ocean County, NJ
    Posts
    7,277
    Flywheel or input shaft.

    I did a ton of research on this when I first bought my ZHP because the sound was driving me crazy.

    I read numerous posts where the owner brought the car to a mechanic or called a BMW tech and they were all told the same thing- flywheel or input shaft (some posts listed one as the likely source of the sound, some the other) and that it's completely normal.

    No worries.
    -Be yourself; everyone else is already taken.
    ZHP Pre-Ride Briefing

    2005 ZHP, Alcantara, Silver Cube, Nav, Sharked, BMW Perf Intake, BMW Perf CF Strut Brace, CF Valve/Fuel Rail Covers, Shadowline Grills, CF Splitters, Fog Light Inserts, LED Interiors/Plate Lights, Euro-mirrors, CDV Delete, Beisan vanos, GAS DISA, BP Coded

    2017 Alfa Romeo Giulia Q4; Sport Package, CW Package, Nav, Sunroof

  6. #6
    Join Date
    Jan 1970
    Location
    Branford, CT
    Posts
    15,560
    Funny because when I first bought the car, I noticed the sound too. But now, I can't hear it even if I'm listening for it...
    The sound was a very muted replica of what the lightweight flywheel sounded like in the E30. In that car, it rattled and chattered like you wouldn't believe, and made it sound like something was broken. IN the ZHP, it was very muted, and just barely audible.
    BP
    2005 330i ZHP / 6MT
    Imolarot / Naturbraun



    It's not the car you drive, it's how you drive it.

  7. #7
    Join Date
    Jan 1970
    Location
    Maine-Vacationland
    Posts
    1,961
    I dont really ever hear it, as I usually leave the car in gear when parking

  8. #8
    Join Date
    Jan 1970
    Location
    Chicago
    Posts
    304
    There's really no way to fix it as far as i know. I had the throwout bearing replaced cause i thought that was the cause. It has reduced the noise slightly, but not worth the 500 for part and labor for that small amount of noise.

  9. #9
    Thanks for the feedback guys. I can move on to other stuff now.

  10. #10
    Join Date
    Jan 1970
    Location
    Jersey Shore
    Posts
    384
    I was worried about it at first too, and told my mechanic about it. He said it was normal, so I've just made it a habbit of depressing the clutch peddal when turning the car off, it makes the rattle go away.



    Sent from my DROID2 using Tapatalk

    03 TiAg 330i ZHP
    -Alex

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