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Thread: Ticking/Knocking noise coming from engine?

  1. #1
    Join Date
    Mar 2019
    Location
    Santa Fe, NM / SoCal
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    36
    My Cars
    E90 M3 Slicktop

    Ticking/Knocking noise coming from engine?

    Yesterday I went to look at a 96’ 328is, when the owner first started the car a loud ticking/knocking noise came from the engine bay. The car drove fine- it got up to highway speeds fairly easily and the engine stayed cool throughout my drive, but when driving the car you could definitely notice the sound coming from the engine. When I got back, I opened the hood and felt the valve cover and it felt like something was banging against it- then, when I took of the oil cap the whole engine started to rattle? Just a disclaimer, the car had 196,000 miles and the owner only wanted $1,800, so I’m not expecting the car to be perfect, but this was very worrying. Do you guys have any theory’s as to what this could be? I’m hesitant to buy the car because if it’s rod knock I’ll be pretty SOL.

    Anyways, thanks for reading and let me know if you need anymore information.

  2. #2
    Join Date
    Jan 2016
    Location
    Ca
    Posts
    6,981
    My Cars
    2001 525it
    The last thing you want is a thought that there might be a problem with the engine, I would keep looking

  3. #3
    Join Date
    Mar 2019
    Location
    Santa Fe, NM / SoCal
    Posts
    36
    My Cars
    E90 M3 Slicktop
    That’s what I was thinking, thanks for the reassurance.

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