Make sure the lug nut torque is to spec.

 

What were your roadfore readings. The machine wont recognize a wheel/tire assembly in the 15-25 pound range as bad but those numbers can be significant enough to cause a vibration.

 

LUG NUT TORQUE? SHOULD I HAND TIGHTEN THE LUG NUTS?

 

A slightly out of round wheel could balance out perfectly, yet you would notice it vibrating at highway speeds. I had this issue with an OEM wheel that had hit a pothole.

What type of wheels EXACTLY are you running? Did you determine if they are hubcenctric or not? If you mount up a non-hubcentric wheel without an adapter spacer, then the wheel will vibrate and shake at speed (act like it is out of round) due to it not being perfectly centered on the hub. This is also a dangerous situation, as the sheer stress is being applied to the lug bolts, and not to the wheel hub like it should be.

 

I THINK THEY ARE OEM WHEELS ALSO. AND IM NOT SURE HOW TO TELL IF THEY ARE HUBCENTRIC. HELP!

 

sorry for the caps. they are o.e. wheels.

 

Why not try rotating the rims to different axels. Follow the manufacturers recomended rotation pattern then try a highway blast.

 

they are called spigot rings and required to center the wheel, they fit in the rear of the alloy and make the wheels fit snug on the hub

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OEM wheels as in they have an Audi four ring stamp on the inside near the hub, or OE Wheels as in the eBay retailer that sells knock-off wheels in great quantities?

 

right. oe wheels from ebay. did i make a mistake?