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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > E60 (2004 - 2010)

E60 (2004 - 2010)
BMW 5-Series (E60 chassis) was first seen in the Unites States in the fall of 2003 with a 2004 Model Year designation. The E60 is now available as a 528i, 528xi, 535i, 535xi, 550i and a 535xi sports wagon! -- View the E60 Wiki

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  #1  
Old 06-20-2012, 01:14 PM
Martir309 Martir309 is offline
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Location: Kansas
 
Join Date: Jun 2012
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Mein Auto: 2007 BMW 535i
Engine rattling

Hi guy,, i got a 2007 525i, I was wondering if anyone have any idea of what might be the cause of why my engine is rattling when the car is on idle, and I also notice that it gets worst when I turn the AC on... I thought that maybe the air filter was dirty but I took it out and cleaned it but it didn't make any difference... Please any advice will be truly apreciated..
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  #2  
Old 06-21-2012, 06:03 AM
pcy pcy is offline
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Mein Auto: '06 530i, '07 C280, ML320
One of the pullies [on the drive belt] probably is making that noise. I'd guess the belt tensioner pulley must be making that noise; if not, the AC compressor.

One way to find out is to drop the belt, spin the pulley by hand and listen for noise or wobble.
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Old 06-22-2012, 09:37 AM
ARX3 ARX3 is offline
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Mein Auto: E60 '08 535xi, E83 '07 X3
Is your car 525 or 535? I had a similar rattle on my 535 when idling. A small tap on the gas pedal would eliminate it. In my case the rattle was emanating from the passenger side of the engine bay. Check your brake lines. See if they are properly seated in the plastic holders - especially down where they are routed next to the engine.
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  #4  
Old 06-22-2012, 09:43 AM
Martir309 Martir309 is offline
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Mein Auto: 2007 BMW 535i
Thanks for your help guys....
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  #5  
Old 06-22-2012, 09:56 AM
Martir309 Martir309 is offline
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Location: Kansas
 
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Mein Auto: 2007 BMW 535i
Is a 525i... Yeah I checked everything seems to be good and tied... I've also notice the RPM gauge is unstable it keeps dropping from 1/2 to almost 0 and it come backs up.. But for some wierd reason it the problem goes always when I turn the steering about a 1/4 of a turn on either direction and stabilizes the RPM and it smooths the engine
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  #6  
Old 06-23-2012, 03:11 AM
UltimateDriving UltimateDriving is offline
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I had a 2007 525i also and it used to have an engine tick noise which ended up being the valve lifter.

For reference you can search in Youtube for BMW Valve ticking noise/rattling noise and you will see a few vids.
Could be that also!
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