Back spacing for my 18s on my 79

[WS6]

Ok guys. I tried searching it it only worked so so. I even looked at the sticky. I'll be adding my info to the sticky just as soon as I get my wheels mounted and everything.

I found the following thread from years ago and the back spacing is listed for the rims. It so happens that the rims widths are the same for my rims but these are 17s and I'm on 18s. There shouldn't be a difference but is there anything I need to be careful of if I set my rims up with this back spacing? I am lowered slightly.

https://www.pro-touring.com/forum/sh...n+back+spacing

I know I'll need spacers or adapters of some sort as the BMW rims are as follows.

Front 18x8, 4-13/16" BS, 5 x 120mm pattern
Rear 18x9.5, 6" BS, 5 x 120mm pattern



I just want to make sure I do this right since adapters are not cheap.

Thanks

[WS6]

so no one knows what the proper back spacing is for a set of 18in rims on a slightly lowered 79TA is? fronts are 8 inches wide and rears are 9.5 inches wide