![2006 BMW Z4 Roadster 3.0si with 18x8 BBS Style 108 and Federal 225x40 on Coilovers | 1091450 | Fitment Industries 2006 BMW Z4 Roadster 3.0si with 18x8 BBS Style 108 and Federal 225x40 on Coilovers | 1091450 | Fitment Industries](https://images.fitmentindustries.com/web-compressed/1091450-4-2006-z4-bmw-roadster-30si-bc-racing-coilovers-bbs-style-108-black.jpg)
2006 BMW Z4 Roadster 3.0si with 18x8 BBS Style 108 and Federal 225x40 on Coilovers | 1091450 | Fitment Industries
![I bought style 108 wheels, 18x8 et47 Front and 18x8.5 et50 Rear. And I wonder what would be the ideal tire size, I was think about 225/40/18 and 245/40/18, but I aint I bought style 108 wheels, 18x8 et47 Front and 18x8.5 et50 Rear. And I wonder what would be the ideal tire size, I was think about 225/40/18 and 245/40/18, but I aint](https://preview.redd.it/2n7gsubi73m71.jpg?auto=webp&s=f1a584562e7a449c6fc5ab87637a8453317d5f92)
I bought style 108 wheels, 18x8 et47 Front and 18x8.5 et50 Rear. And I wonder what would be the ideal tire size, I was think about 225/40/18 and 245/40/18, but I aint
![2003-2008 BMW Z4 3.0si BBS Style 108 Wheels Rims / Set of 4 / 18x8" 18x8.5" / Z4044 - Redline Auto Parts 2003-2008 BMW Z4 3.0si BBS Style 108 Wheels Rims / Set of 4 / 18x8" 18x8.5" / Z4044 - Redline Auto Parts](https://cdn11.bigcommerce.com/s-dals72eswg/images/stencil/1280x1280/products/52728/532171/IMG_1801__06564.1666273055.jpg?c=2)
2003-2008 BMW Z4 3.0si BBS Style 108 Wheels Rims / Set of 4 / 18x8" 18x8.5" / Z4044 - Redline Auto Parts
![DAMAGED* 2003-2008 BMW Z4 3.0si BBS Style 108 Rear 2-Piece Wheel Rim 18x8.5" Z4039 - Redline Auto Parts DAMAGED* 2003-2008 BMW Z4 3.0si BBS Style 108 Rear 2-Piece Wheel Rim 18x8.5" Z4039 - Redline Auto Parts](https://cdn11.bigcommerce.com/s-dals72eswg/images/stencil/1280x1280/products/48435/485856/IMG_9159__98672.1652473304.jpg?c=2)