2005 BMW M3 COMPETITION PACKAGE · E46 · VERIFIED ON SEP 4, 2026

Will 255/40R18 tires fit a 2005 BMW M3 Competition Package?

255/40R18 is a listed alternate for the 2005 BMW M3 Competition Package: 661 mm rolling diameter (26 inches), -0.2 % versus the 225/40R19 factory tire, inside the 3 % limit. Sidewall 102 mm versus 90 mm. No tire in our capture is priced in this size for it.

01The numbers

Rim width range on this car: 8–10.5 inches; offset ET20 to ET47. Whether 255/40R18 rubs at full lock depends on the wheel it sits on and the fender — not in our data; the diameter math above is what we can back.

02Tires priced in 255/40R18

• None in our capture.

→Verified for this car

Fitment is computed from published vehicle data and the retailer's listed sizes (catalog 2026-09-04-tirerack-d, verified on Sep 4, 2026). Prices are list prices on that date. Verify with your installer before you buy. Buy links may be affiliate links.

?More on the 2005 BMW M3 Competition Package

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• What is the biggest tire a 2005 BMW M3 Competition Package takes without changes?
• What are the factory wheel and tire specs of a 2005 BMW M3 Competition Package?
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• Will 235/35R19 tires fit a 2005 BMW M3 Competition Package?
• Will 265/30R19 tires fit a 2005 BMW M3 Competition Package?
• Will 225/45R18 tires fit a 2005 BMW M3 Competition Package?
• Will 235/40R18 tires fit a 2005 BMW M3 Competition Package?

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