15 vs 16" rims now with offset issues :( FML

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  • MaksV
    E30 Enthusiast
    • Oct 2010
    • 1042

    #16
    16 = more clearance for your pan while still looking hot.

    Do it.
    CHEAP REBUILT INJECTORS




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    • MR 325
      Moderator
      • Oct 2003
      • 37826

      #17
      Originally posted by MaksV
      16 = more clearance for your pan while still looking hot.

      Do it.
      This logic makes absolutely no sense, I don't understand why the car world thinks this way. If you run the CORRECT size tires it doesn't matter what size rim you're using. It should come out to the same overall diameter.
      BimmerHeads
      Classic BMW Specialists
      Santa Clarita, CA

      www.BimmerHeads.com

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      • bimmerteck
        Mod Crazy
        • Mar 2009
        • 762

        #18
        Originally posted by mr 325
        if you run the correct size tires it doesn't matter what size rim you're using. It should come out to the same overall diameter.
        qft.

        Comment

        • e30leigh
          E30 Addict
          • Mar 2012
          • 481

          #19
          yea i think 225/45/16 works out to be the same over all diameter as stock wheels and tyres anyway

          Comment

          • agent
            Vice Grand Pubaa
            • Mar 2010
            • 7960

            #20
            Originally posted by MaksV
            16 = more clearance for your pan
            Not true. The overall diameter of my 16" RGPs with 205/50s on them is smaller than the overall diameter of my stock 14" weaves with (stock) 185/65s.
            Originally posted by kronus
            would be in depending on tip slant and tube size

            Comment

            • e30leigh
              E30 Addict
              • Mar 2012
              • 481

              #21
              the amount is minimal though surely?

              Comment

              • 325ix
                R3V OG
                • Aug 2009
                • 7783

                #22
                These may not be called a te37v but, they are a grid-v. They are a straight up replica.

                Comment

                • SwiftE30
                  E30 Modder
                  • Jun 2010
                  • 998

                  #23
                  Originally posted by Jim Lepage
                  For comparaison

                  15''



                  16''

                  those look great! What size wheel and tire combo are you running? i just picked up a set of 16x7 et18 and 16x8 et15 and am trying to figure out a good tire fitment. I realy dig the look of yours.
                  1989 E30 Zinnoberrot Vert 325i OBD1 S52 turbo;IP

                  Comment

                  • e30leigh
                    E30 Addict
                    • Mar 2012
                    • 481

                    #24
                    SSHHIITTTT!!! so i just got back from the tyre shop.

                    the rota grid-v's hit on the calliper. even the et20's i want a 225/45 tyre
                    hence the issue.

                    i can make them fit with a 10mm spacer. but i dont think then that i can get the 225 under the gaurd.

                    what sizes are people running on 8's with et10? can a 225 fit under there?

                    Comment

                    • e30leigh
                      E30 Addict
                      • Mar 2012
                      • 481

                      #25
                      so i just had a quick measure. with my m20 POS bottom end sitting in the boot the back sits about where i want to lower it to using my GC coilovers.

                      and according to the trusty ruler i have 25mm till i get to the rear gaurd, from the tyre. not the rim. and tyre comes just past the edge of the rim.

                      so currently i am running 7" et20 and with 8" et10 i should poke another 23mm

                      and according to the trusty ruler i should JUST sneak 225s under my gaurds with rolling and maybe a slight flare.

                      what are your thoughts on this? think its doable?

                      thanks, leigh

                      Comment

                      • bastianshaw
                        R3VLimited
                        • Jan 2007
                        • 2210

                        #26
                        going from a 195 65 14 to a 205 50 15 loses about 3 mm overall diameter

                        Comment

                        • Jim Lepage
                          E30 Enthusiast
                          • Jul 2008
                          • 1138

                          #27
                          Originally posted by SwiftE30
                          those look great! What size wheel and tire combo are you running? i just picked up a set of 16x7 et18 and 16x8 et15 and am trying to figure out a good tire fitment. I realy dig the look of yours.
                          BBS RS001 15x7 et25 with 2.5 lips front and 3'' lips back. Final specs: 15x8.5 et06 and 15x9 et00 with 195/50-15 all round.

                          BBS RS174 16x7 et33 and RS244 16x8 et33 redrilled to 4x100 with 3'' lips front and 3.5'' lips rear. Final specs: 16x9 et08 and 16x10 et08. Tires are 205/45-16 front and 225/40-16 rear.
                          E30S54 - Scale Suspension / Unix Performance Coilovers - 17x8 and 17x9 BBS E50

                          Comment

                          • e30leigh
                            E30 Addict
                            • Mar 2012
                            • 481

                            #28
                            im confident i can get my tyre and wheel set up to work looking at your set ups.

                            Comment

                            • glnr13
                              E30 Fanatic
                              • Oct 2011
                              • 1334

                              #29
                              Originally posted by agent
                              Not true. The overall diameter of my 16" RGPs with 205/50s on them is smaller than the overall diameter of my stock 14" weaves with (stock) 185/65s.
                              if your car sat on wheels then yes, it'd sit 1/2" lower.
                              but in reality, your car sits on tires and the tire sidewall dimensions dictate your ride height, not your wheels.
                              Last edited by glnr13; 05-01-2012, 09:10 AM.
                              sigpic

                              Comment

                              • GAbOS
                                E30 Addict
                                • Mar 2012
                                • 523

                                #30
                                Originally posted by e30leigh
                                but im not sure if i want to drop to a Rota for another 15" or stay at 16.
                                Fixed ;>

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