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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 02-15-2014, 01:39 PM   #1
trivium630
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Join Date: Nov 2012
Location: San Antonio
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My Ride: 2003 325i
Need help with rattle noise!!

Noise will go away when rpms are above 750, any ideas?


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Old 02-18-2014, 09:59 AM   #2
juslookin
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Get idle adjusted to above 750
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Old 02-18-2014, 10:38 AM   #3
Sansho
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Can you provide any clues to what you're hearing? Have you lifted the hood to see if your can isolate where the rattle might be coming from? Does it only occur at a certain time, like within the first two minutes after starting a cold engine? or ????
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Old 02-18-2014, 11:04 AM   #4
trivium630
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It will start after about a minute or two after starting engine, seems to get louder as car warms up, unable to pinpoint where it's coming from

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Old 02-23-2014, 12:48 PM   #5
CPA325i
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I had this problem before and I had my mechanic check it out while I was getting new winters fitted and found out it was a loose exhaust bracket. They tightened it up no extra charge and had no rattle since. It was a very similar rattle for myself, only around 500-800 rpm. Hopefully it's as easy of a fix for you.


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Old 02-23-2014, 01:47 PM   #6
trivium630
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I was kinda thinking that. Have to get up on lift and check it out, thanks
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