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#1
10-20-2019, 03:44 PM
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help me track down a suspension rattle
This one has me stumped so far. Would welcome any suggestions.
'07 X5 4.8i. Rattling noise from left front when going over sharp bumps or stutter bumps. Rattle only when left wheel hits a bump - no sound when only right wheel hits a bump. To me it sounds similar to rattles from sway bar end links or strut mounts. Parts replaced recently:
I'm going to buy one of those remote microphone kits off Amazon. Any ideas on what I can try next? 
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#3
10-20-2019, 05:21 PM
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Quote:
Ordered a Steelman Chassis Ear set today. Will hook it up later this week.
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#4
10-21-2019, 01:05 PM
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might be the strut mount bushings.
#8 and 10 
__________________
e70 - purchased 6/2018 e36 - wouldn't pass smog at 190k 2016 e53 - transmission blew at 225k 2012 e30 - sold as it was a little slow for a DD and burning oil at 220k 2011
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#5
10-21-2019, 01:19 PM
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Definitely have a look at 8,9, and 10 of they have not been replaced in your ownership.
__________________
2005 X5 4.4i Build 04/05 Maintenance/Build Log Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles) 2006 X5 4.8is Build 11/05 Maintenance/Build Log Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles) 2010 X5 35d Build 02/10 Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles)
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#6
10-21-2019, 03:20 PM
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7, 8, 10, and even 11 were replaced when I replaced 9. So, all good up top. That's why you see 9 replaced only 2K km ago in my list - I suspected strut mounts also. The old one that I removed looked basically brand new. Bushing was equivalently stiff to the one I replaced it with, so that turned out to be a waste of time and money.
Remote microphone should be in my garage this week, so I hope to be able to try it out this weekend. This one really has me stumped.
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#7
10-21-2019, 03:28 PM
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Do you have active suspension?
Mine has sport/active suspension and I have a good feeling the active suspension components have some play. The front suspension tends to make a clunk on small pot holes.
__________________
e70 - purchased 6/2018 e36 - wouldn't pass smog at 190k 2016 e53 - transmission blew at 225k 2012 e30 - sold as it was a little slow for a DD and burning oil at 220k 2011 Last edited by SF2000x5; 10-21-2019 at 03:34 PM.
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#8
10-21-2019, 03:47 PM
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Quote:
should not, at all. Have you diagnosed or just assumed it must be the 'active' stuff?
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#9
10-21-2019, 03:48 PM
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Quote:
No. Sport and self-leveling suspension (note: this combination not available in USA, only Canada), so regular non-electronic shocks front and rear. It's probably going to end up being a failure of some part that I've recently replaced, as I've replaced virtually everything both front and rear.
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#10
10-21-2019, 03:58 PM
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Guessing it’s active stuff. All control arm and joints were replaced but this is your thread so let’s figure out what’s going on with your car haha
When did you notice the noise? Did you notice the noise before replacing all those parts? Also curious to know what makes your suspension sport if struts are not electronic.
__________________
e70 - purchased 6/2018 e36 - wouldn't pass smog at 190k 2016 e53 - transmission blew at 225k 2012 e30 - sold as it was a little slow for a DD and burning oil at 220k 2011 Last edited by SF2000x5; 10-21-2019 at 04:06 PM.
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