Question about 2003 BMW 325

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Rattle I have a rattle under my 2001 325i. I sounds like its coming from my exhaust, but everything looks good around there. As I idle it rattles, but if i let the RPMs raise it stops

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Jack up the car when exhaust is cold, grab any heat shields to see if they are loose. You can also tap them with something to see if they vibrate. It's very common for the heat shield to rust and a corner can break free, making the annoying rattle. I've fixed this with a coat hanger cut to secure the loose shield, or a screw installed to hold it tight.

Posted on Aug 02, 2009

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Might be the tailpipe rubbing on the drive train. if it is, get it fixed immediatly to avoid harm to your drivetrain.

Posted on Aug 02, 2009


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Loud rattle sound when Idling

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Rattling noise coming from my 2005 mazda 6's engine. it only happens when i drive slowly such as going through kfc drive through

Good evening.
If this is a tinny type of rattle and it only happens at certain RPM's I would look for a loose heat shield over the exhaust pipes. Have someone apply the throttle until the rattles begins and listen under the car with a long screwdriver or a yardstick. Use the screwdriver to push on the various shields surrounding the manifold and pipes until the rattle stops. then use a hose clamp or two to tighten them up.
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If this rattle is an internal engine noise you should have an experienced mechanics ears give you an opinion.

Thank you for using FixYa.


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