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      01-27-2013, 12:25 PM   #3
CT335xi
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Drives: 2022 x5 m50i, 2005 evo 8
Join Date: Dec 2011
Location: Newtown, Ct

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You should be fine and you will have a flush look. I believe stock 17x8 are et34, you will not need spacers as that would even push them out further. Because the 18" wheels you mentioned have a et20 in front , thats like running about a 15 mm spacer up front already et34-15 mm spacer = et19. The higher the offsett or et the more the w.heel tucks in and lower = sticks out more. I would run a 235/40 up front and 265/35 out back. The stock rolling dia. for a stock 225/45/17 is about 25 inches, it would be 25.4 for the 235/40/18 and 25.3 for the 265/35/18. hth
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2022 x5 m50i - Dravit grey
2005 evo 8 (current) built 2.3 488/409 mustang dyno
Old stable mates - 87 325i, 88 m3, 90 m3, 97 m3 4dr,
04 325xi, 91 gmc Syclone, 08 335xi, and 13 x3 35i msp
2014 x5 50i msport

Last edited by CT335xi; 01-27-2013 at 12:33 PM..
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