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#1
12-11-2013, 10:57 AM
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Hmm, does this sound normal?
Input will be appreciated.  My Engine... BMW X5 3.0i Video by The_Evil_Hare | Photobucket
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Motivation can change what you do, but inspiration can change who you are. --------------------------------------------------------- 2003 BMW X5 3.0i, Black Sapphire, 287,423 km and kicking!  www.sam-medina.com My online graphic novel:  
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#2
12-11-2013, 05:01 PM
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It is hard to hear in the video because the sound quality is poor, but I think I heard what you are talking about. Is the noise primarily in the front or back of the motor? Also that hissing noise might be a vacuum leak sucking in air. Is there a CEL on? Motor running funny? Let us know.
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#3
12-11-2013, 06:00 PM
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Yeah it was windy
 The ticking noise seems mostly from the passenger side, while the sucking noise seems to come from the driver side not sure if it's the front or back. I put my hand on the timing chain cover and didn't feel any vibration there, either. No CEL, engine seems to run great, accelerates smoothly, no stumbling or hesitation. Will do some more listening and try to make a better recording.
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Motivation can change what you do, but inspiration can change who you are. --------------------------------------------------------- 2003 BMW X5 3.0i, Black Sapphire, 287,423 km and kicking! www.sam-medina.com My online graphic novel:
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#4
12-12-2013, 01:17 AM
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Hmm, watched some youtube videos, and seems the vacuum noise might be my disa going bad, even though it looks new on the outside. Will pop it out tomorrow and check, as well as the intake boot, maybe the plugs too. Any ideas what else I might check?
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Motivation can change what you do, but inspiration can change who you are. --------------------------------------------------------- 2003 BMW X5 3.0i, Black Sapphire, 287,423 km and kicking! www.sam-medina.com My online graphic novel:
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#5
12-12-2013, 12:06 PM
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You can use a long thin screwdriver as a stethoscope to listen to the various parts of the engine to see where the noise is the loudest. Or, buy a car stethoscope for around $10 at the parts store.
Does the sound change with engine speed? I'll throw in a guess of the sucking sound being a pulley bearing. For how loud it is, that would be a heck of a vacuum leak and not only would it throw a CEL, the engine would run horrible. Ticking sound isn't apparent, but could be a noisy hydraulic lifter, something going on with the VANOS, actuator valve for the evap system running, or normal fuel injector noise.
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********************* Olympic Peninsula, WA, USA ----------------------------------------- 2005 Mini Cooper 100k, British Racing Green/Silver-Black 04/2002 4.6is 140k, Silver/Black-Alcantara *FOR SALE* 1989 325iX 270k, Diamond Black/Black 1984 318i 370k *SOLD* (First Bimmer) Honorable Mentions: '71 2002, '87 325, '90 325ic, '92 525it, '93 325i, '94 530i Last edited by racingbmwm3; 12-12-2013 at 12:17 PM.
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