Hard to say, but why not go for 18's with the evo kit. That would look very sharp.

20" Rims and tires are very very expensive, and you will most likely bend the rims on any driving you do. 18's are also easy to bend on cars that they are squeezed onto with thin rubber.

Personally I would not go higher than 17. 190e's also look very good with 16's.

This is only my opinion for you though. I too think it would look absolutely sick with 20's, but I just wouldn't do it to most any car.

Alon

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'92 300CE - Sold
2004 C240 - 744 - C7 Wheels - Android Radio
2002 C320 - 816 - Sport Wagon - Sold
2006 E350 Wagon - 368 - Dead
2015 GL350 Bluetec - 197U