I'm looking for advise..I have a 2004 530i and just put on 20" Gianella "10 Flush" wheels. The car now vibrates between 40 plus MPH. I tried to replace the wheels and tires and even tried a different brand. I even tried 18" versions and NO LUCK ? All where high speed balanced.

When I put the origional wheels back on..its fine. The offset of the new wheels is the same as the factory and I don't understand what could be wrong.

Any ideas would be apprciated.

Thanks,
Vin

 

i'm not familiar with those type of wheels, however, i can tell you this: having tried different brands of tires, there might be a hidden problem with the wheel itself that high speed balancing could not detect. do you have the same tires all the way around? it sounds like a balancing problem, however, if the wheels are not true, regardless of offset, it definitely will vibrate.

good luck

 

please post some pics of those 20" rims

 

I tried different tires and changed the wheels around from frt to back, still no luck. I have a email into BMW support. They forwarded to engineering. I'll wait and see what they say...Just crazy that the origionals work fine and different brands at 18" and 20" are giving issues ? I mean like 2 sets of the 18's and 3 sets of the 20's. We balanced numerous times at the wheel shop where I purchased and then I even went to another place and they were dead on balanced. I thought maybe something needed to be changed in the computer system to allow a bigger wheel ?

Will let you know...Thanks for your help !