Thread: Vibration!!!!
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Old 11-19-2012, 09:17 PM
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joyism5 joyism5 is offline
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Join Date: Jan 2011
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Mein Auto: '99 740IL, K75RT
Is the vibration coming when the car is in P too? You are stating that it comes at certain RPMs. What about speed? Did you notice the vibration coming at regular speeds? Like, every time when you reach 50 mph. There are other things to check before the driveshaft. If the vibration comes every time when you reach same speed (not rpm) guibo should be checked, rims for oval bending, tires for deformations, front control arms bushings. Rarely the driveshaft is the culprit. You might be one of them, I don't know, but make sure before you spend the money.
The air hose for the air pump could throw a code but not a rough idle. Air is going through this hose only at cold start ups.
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