[Watership Down]

Can anyone advise if it is possible to fit 18"x 8J wheels on the front and rear of my car. They are custom BBS RK wheels from a BMW 540. I understand that spacers maybe required.

 

[carbuff]

For sure, it will need spacers on the rear (~1"). What is the offset of the BMW wheels?

I know of one '86 G car that is running V8 wheels.

I think that 8" wide wheels in the front might be rather wide.

 

[sleekgt]

Your 87 should be same as my 88 with Citroen:

15x7 ET23 front
15x8 ET -20 rear

The 87 (I believe) has PCD 5x120 (vs. my 88 with 5x108).

18x8 will fit rear just fine; the front might rub a bit. You also want to check what tires are available for 18x8 - you may not like want you find.

I have 17" Futuras (17x7 and 17x8.5) that fit. To keep OEM offsets, I have a rear adapter of 50mm (30+20mm) to match rear 17x8.5 ET 30. Front did not need an adapter. Tires are 10mm wider than OEM - 205 front, 245 rear.

Note keeping factory offset friendly to bearings; if you insist on aligning with fender lip, you'll need to change adapter accordingly.