Vibration so bad the car can't be driven...

[CourageousLion]

I have a vibration that has gotten so bad today in the front that the car can't be driven. And it isn't ignition. I'm convinced because of what it sounds like it is drive train related. The CV joints APPEAR to be pretty darn solid. The whole front end seems pretty darn solid. I removed the skid plate and the short drive shaft and its U joints APPEAR to be fine. Anyone else had an issue like this? NOTHING is sticking out that would be that obvious with the way it is acting. This has happened very rapidly over about a one week period. Started with a small vibration and now it feels as if the car is going to fall apart in the street. If I can't find it I'm sure it will have to be flat bedded. This is on a 2006 530XI wagon.

[jclausen]

I would get it to the shop and have it inspected

[JayArras]

Motor mounts?

[interalian]

Tires? Swap back to front.

[CameronR]

Could be a dozen or more things! I'm placing my bet on a separated tire carcass or perhaps a broken flexplate on the transmission? Seriously, us armchair quarterbacks will do you no good!!!

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[pshovest]

Put car on 4 jackstands. Start, put in gear and accelerate to speed where you felt vibration. If you can feel vibration, remove front wheels and repeat. Still there? remove front driveshaft and repeat.

[interalian]

Easy enough to check the tires. Get somebody to drive the car slowly and walk along and look at the tires.