Vibration thru accelerator pedal.. what can cause this?? - BMW Forum - BimmerWerkz.com
3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

 
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#1 (permalink) Old 12-18-2005, 06:24 AM
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Vibration thru accelerator pedal.. what can cause this??

Hi guys, i am still getting an annoying vibration thorugh the accelerator at about 1000-2000 rpm, changed the exhaust completely, includign the cat. What else can it be.... also changed the guibo.... let me have your ideas guys...

Thanks
ANdy
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#2 (permalink) Old 12-18-2005, 09:14 AM
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I know what this is....
I can't remember exactly...but I think BMW brake pedals pulse/vibrate when you need new brakes or your brakes are wet.

the acceletration pedal may pulse when the throttle is blocked...clogged.

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#3 (permalink) Old 12-20-2005, 12:50 AM
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what kind of noise is it, where do you think it is coming from maybee, exhaust heat shield
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#4 (permalink) Old 12-20-2005, 01:36 AM
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The noise is comming from the middle of the car, i think! you can feel a high frequency vibration through the gas pedal when you hit certain rev ranges, although the vibration is always there, sometime worse than others!! really difficult to explain. I have had the guibo changed and the muffler...

ANy ideas?? how do i check the heat sheild?
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#5 (permalink) Old 12-20-2005, 07:40 AM
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Motor or transmission mounts?

1995 325I, window tint, K&N, debaffled airbox, BMW #104 wheels, Nighthawk low beams, smoked side markers, smoked corners, smoked taillights, M3 stlye heated mirrors, various interior bits, Bosal cat-back.
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#6 (permalink) Old 12-20-2005, 01:31 PM
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by going under and checking it out, feeling for loose parts, the shields surround the muffler
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