BMW 335d tire size
The most common factory tire size for the BMW 335d is 225/40R18 front, 255/35R18 rear, on 4 of the 5 year and trim fits listed. The table lists every year from 2010 to 2011 and the size each trim was built with. Pick your year and trim to see the tires that fit.
BMW 335d tire sizes by year
Check your own tire
A trim can be sold with more than one wheel size. The size printed on the sidewall of your current tire, or on the placard in the driver's door jamb, is the one your vehicle has.