Wheel ET ??

[B17NKA]

Hello all

Iam thinking of changing my 5 spoke 19" sport wheels for a set of 20's

What ET will I need to fill the arches more than the standard wheels ??

Is it the ET that makes the wheels stick out a little further ?

Are 19" standard wheels ET 35 ??

What are S8 wheels for a D3

Are A8 D3 wheels 5 x 112 ?

On the 20's what size tyres would you go for, bearing in mind I eventually want to lower my car

Want the new wheels to sit right on the car and fill the arches, nothing looks worse than wheels that do not fill out the arches

Cheers for any advice