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#1
06-08-2010, 07:25 PM
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Unexplained vibration!!!
After having my 2001 X5 (3.0) in the local shop for the last 2 weeks and having all motor mounts replaced and then having the transmission mount replaced........I still have the exact same problem!!! Hopefully someone can chime in with any possible ideas/solutions.
Here is my problem: The car seems to run perfect except when I am stopped and in gear. There are no check engine lights on, etc. The problem is only when the car is in gear and I am sitting stopped at a light with my foot on the brake I have a pretty strong vibration. My steering wheel, drivers seat, passenger seat, floor, etc. are all vibrating like I am in a massage chair! As soon as I put the car in park or in neutral it goes away. Also, as soon as I start driving it goes away. I does not vibrate at all when driving. It vibrates the same when stopped if I have the air conditioning on or off. The shop first said it was motor mounts. I had all motor mounts replaced $$. Went to pick up the car to drive off and noticed I still had the same problem. I was then told it has to be the transmission mount. I had the transmission mount replaced. Went to pick up my car and still have the same problem! I really don't know what to do from here. Any ideas?
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#2
06-08-2010, 07:52 PM
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Once I had a vibration due to the air idle control valve. Not sure if that will help. It seemed to only vibrate in certain conditions. But I replaced it and problem solved. The valve flap had broken off.
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_________________________________________________ 2010 X5M /// R63 AMG...Wifey's 540HP Family Hualer 2001 X5 3.0i Sport 335,448 miles & counting... SMG M3 Steering wheel E46 Stainless Racing Headers 4.6is Exhaust Turner Pulleys Afe Intake Brembo drilled rotors PowerFlex Bushings Hualingan 30mm H&R Spacers rear 20mm H&R Spacers front Bavarian Autosport High-Performance Coils Active Autowerke's Performance Software
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#3
06-08-2010, 08:03 PM
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Try this, when you're sitting there at idle in gear with the vibration happening... try just barely hitting the gas to raise the RPM only 50 to 100 rpm. You'd be amazed what a difference a few RPM makes at idle. If that does indeed smooth it out you could ask the dealer to raise the RPM by 50 through a test plan in the diagnostic equipment. I've fixed quite a few BMWs with the same vibration at idle doing this.
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"When you do things right, people won't be sure you've done anything at all" (Bender, futurama) You make something idiotproof, they'll make a better idiot You think professional is expensive, just wait until you pay for amateur. Never let your sense of morals prevent you from doing what is right. Examine what is said, not who speaks. X5 pics RIP 4.6is..... 2003 4.6is 
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#4
06-09-2010, 12:50 PM
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Quote:
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2001 X5 4.4i 2002 Honda S2000
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#5
10-22-2010, 07:43 PM
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Idle speed has to go up a lot for it to work
In my case, I tried holding my foot on the brake and giving it a little bit of gas, but in order to get rid of the vibrating I have to give it enough gas to raise the rpm's by approx. 400rpm. I don't think I would want the idle up that high!
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