I could throw this into the mix (SEE ATTACHED PDF) - although more concerned about idle vibration than running vibration.....still the L322 was not really designed for silly wheel sizes.

I have 20" on mine and I hate them, would love to change them 19"s but I don't have the cash.
 

Attachments

  • 0039 Idle Vibration.pdf
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No vibration at idle, Car runs perfect. Hoping to get it to a large carpark tomorrow to do a lock to lock turn and listen for any strange knocks while moving.
 
Does the l322 have a VCU? If so, maybe it's locking up when hotter?
Also, the lock up clutch in the TC is a weak point I believe and might show up worse when oil is hotter and thinner. Also, both of these might disappear under heavier load.
 
Excessively warped brake disc.

Unbalanced wheel, would be surpised wheel weights can just fly off.
 

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