ASK ALL WHEEL/TIRE FITMENT QUESTIONS HERE - The Official Wheel/Tire Fitment Thread

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  • Mystikal
    Moderator
    Wheel Fitment Expert
    • Nov 2003
    • 9602

    #8911
    Originally posted by Das Delfin
    Hi Jay. Thanks for being here after all these years. I have a question about tire size for a 16x7.5 et20 wheel.

    I see most people run 205/45 but 205/50 has a more similar rolling diameter. Any difference in fit? Car is on H&R sports. Convertible with lower rear arches

    Thanks!
    I try! I wish I could stop by more often but life is seriously in the way.

    205/50 is the correct and more popular size. 205/45 is for stancey fitments.

    Comment

    • Mystikal
      Moderator
      Wheel Fitment Expert
      • Nov 2003
      • 9602

      #8912
      Originally posted by Jimmy85'E30
      I have a 87 325is I have 20mm adapters for my style 5's 17x8 et20 with solid offset control arm bushings. What size tire can I run the front and the rear has 12mm solid riser bushings for the subframe there for less camber. Im also running H&R Race Springs. I have roller fenders.. I plan on drifting and aggressively driving the car so NO RUBBING ALOUD!!!!!!!!! lol
      You definitely bought the wrong wheels then. They don't fit properly at all, and will rub.

      Comment

      • Mystikal
        Moderator
        Wheel Fitment Expert
        • Nov 2003
        • 9602

        #8913
        Originally posted by Best_name_available
        Okay guys, I need to know how much spacer I need. I ordered a set of kamotors ultrawides so I'm not too worried about poke, but here's the question. The wheels I got are a 17x10 square setup with a +15 et. I already run a 5mm spacer up front to clear basketweaves on my coilovers. What size spacer will I need to fit the fronts?
        15mm front spacers.

        Comment

        • Mystikal
          Moderator
          Wheel Fitment Expert
          • Nov 2003
          • 9602

          #8914
          Originally posted by PogiMonster
          I'm looking at possibly running a set of klutch sl1's in a 15x8.5 et17 spec. What tire size would be best? Ideally I'd like to run a thicker sidewall 50/55? Thoughts? My car has the gc coilover spring kit/bilstein sports. Thanks in advance!


          Sent from my iPhone using Tapatalk
          205/50 for sure.

          Comment

          • Mystikal
            Moderator
            Wheel Fitment Expert
            • Nov 2003
            • 9602

            #8915
            Originally posted by Steve Corbett
            4x100 to 5x120 18mm adapters, 89 325I on H&R Sport Springs w/Bilstein Sports. Looking at E38 Style 5's 16x8 wheels. Will they fit with without rolling fenders? Tire size?
            Need to roll fenders and run 205/45s. Will still rub occasionally. Not a great fitment.

            Comment

            • Mystikal
              Moderator
              Wheel Fitment Expert
              • Nov 2003
              • 9602

              #8916
              Originally posted by perVert
              I just bought an 87 325i very and will lower it with h&r sports with Billy sports. Can I put esm 002s 16x8 et20s with Kumho Ecsta AST Ku25 205/50r/16 without rolling fenders or rubbing?
              Should just squeeze by without rubbing. I'd suggest ANY tire but ASTs though, they are seriously awful.

              Comment

              • Mystikal
                Moderator
                Wheel Fitment Expert
                • Nov 2003
                • 9602

                #8917
                Originally posted by gotane30
                looking at buying Klutch SL1 16x8 et15 (front) and 16x9 et20 (rear).
                85 325e on GC coils.

                What size rubber should I run to avoid rubbing/fender rolling/stretch?
                and will I need spacers?
                Not possible without both stretch and rolling. 205/45 front 225/40 rear, rolled rears.

                Comment

                • Mystikal
                  Moderator
                  Wheel Fitment Expert
                  • Nov 2003
                  • 9602

                  #8918
                  Originally posted by alas
                  Ok - looking to see if I can run this set up without needing spacers on my 1989 325i with a small roll in the rear. Currently on Billy/H&R spring combo. This will probably change.

                  15x6.5 et 32 on a 205 tire
                  or
                  15x6.5 et 32 on a 215 tire.

                  I calculated max back space for 15" is 131mm and with tires about 129mm. Seems like if i ran 215's and they were really 215mm, I'd have issues. Can you confirm?


                  Thanks
                  Paper thin strut clearance. 205/50 will work, 205/55 will probably touch the struts.

                  Comment

                  • Mystikal
                    Moderator
                    Wheel Fitment Expert
                    • Nov 2003
                    • 9602

                    #8919
                    Originally posted by Tree25
                    Want to know if or what ill need for this setup to fit my 87 325is

                    Front Wheels: 16" x 8"
                    Rear Wheels: 16" x 9"
                    Bolt Pattern: 4x100 /114
                    Front Offset: 20 ET
                    Rear Offset: 15 ET
                    Center Bore: 73.1

                    Sent from my SM-G928V using Tapatalk
                    205/45 front, 215/45 rear, rear roll. Hubcentric rings.

                    Comment

                    • Mystikal
                      Moderator
                      Wheel Fitment Expert
                      • Nov 2003
                      • 9602

                      #8920
                      Originally posted by Bones566
                      1987 325es. Koenig feather 16x7. Offset +35 what's the max tire size and will it handle any drop springs if the tire size is reduced from max.
                      Bad offset, won't work without spacers.

                      Comment

                      • Mystikal
                        Moderator
                        Wheel Fitment Expert
                        • Nov 2003
                        • 9602

                        #8921
                        Originally posted by digital.aaron
                        90 325is with ksport coils
                        rear: 16x9 et20, currently running 215/40/16 with 5mm spacers.

                        I really want to move up to 225s on the rear, but 225/45s are laughably difficult to find. can I remove my 5mm spacer and run a 225/50 on the 16x9 without rubbing? I have some basic fender rolling done, but the 215/40s with the 5mm spacer rub with enough load.
                        Nope. And you live in America, land of internet purchasing. Nothing is difficult to find!

                        Comment

                        • Mystikal
                          Moderator
                          Wheel Fitment Expert
                          • Nov 2003
                          • 9602

                          #8922
                          Originally posted by Nick_e30
                          Looking at 15 x 8.5 wheels, any recommendations on tire size?

                          Sent from my SM-G930V using Tapatalk
                          This is about 20% of the info I need. See the first post.

                          Comment

                          • Tree25
                            Advanced Member
                            • Mar 2011
                            • 118

                            #8923
                            Originally posted by Mystikal
                            205/45 front, 215/45 rear, rear roll. Hubcentric rings.
                            Thanks Mystikal! I appreciate your time and knowledge.

                            Do you know where and what size hubcentric rings? Never heard of these before

                            Sent from my SM-G928V using Tapatalk

                            Comment

                            • Mystikal
                              Moderator
                              Wheel Fitment Expert
                              • Nov 2003
                              • 9602

                              #8924
                              Originally posted by Tree25
                              Thanks Mystikal! I appreciate your time and knowledge.

                              Do you know where and what size hubcentric rings? Never heard of these before

                              Sent from my SM-G928V using Tapatalk
                              Np! 73 to 57.1mm, which is one of the most common around. Any local wheel shop should have them.

                              Comment

                              • runnoelrun
                                Noobie
                                • Apr 2013
                                • 32

                                #8925
                                First off. Thank you for your input over the years.
                                Canadian people always helping out the homies.
                                Currently running 16x8 +28 offset
                                205/45 with h&r spring front / vogtland rears +20mm spacer (raises the car) because I drive a vert. Heavier in the back.

                                Question: Do you think I could run 235s all around, already have fenders rolled very professionally done. ( I like square set ups)
                                Thank you in advance.
                                Mid life crisis.

                                Comment

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