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    Moving from 16" to 17" Plus BBK

    Looking for some thoughts/opinions. Embarking on BBK (Massive) upgrade which means moving from 16" rims to 17" rims. In looking at Apex Arc-8, 17x8 or 17x8.5 ET20 on both.
    I have E30M3 Suspension 5-lug, with Ground Control Coilovers. Hoping to not have to cut the fenders. Already rolled, but not apposed to modifying more, just prefer not to cut. Question is more about tire/rim sizes. Would like to use the A052, but they are only available in 245/40/17 or 215

    I have 225/45/16 and happy with overall performance... running A052 for AutoX and R888r for the track.

    Looking at for AutoX
    Proxes R1R - Size: 235/40ZR17
    ADVAN Neova AD08 R - Size: 235/40R17

    Track:
    Proxes RR - Size: 235/40ZR17
    Toyo R888r, 235/40/17

    Better to buy the 17x8.5 Profile 3 or 17x8 Profile 1?
    Concerned about the backside of the tire/rim and having to add spacers.
    1987 BMW 325is,(M3 S50 Swapped)-Current
    2010 FJ Cruiser, aka E30 Support Vehicle-(Daily)
    2008 Scion xB Lowered
    2001 BMW 325i
    1995 BMW 318ti
    1966 Ford Mustang Coupe
    1965 Ford Mustang Coupe

    My Thread

    #2
    It's going to depend a lot on the size and profile of the tire you select, how much camber you run, and how low/stiff your suspension is.

    I'm making the same move soon, 17x8.5" ~ET20. I plan on running 235/40-17 Nankang AR-1's. Coming from 16x8" ET18 with 225/45-16 Dunlop ZIII's.

    Comment


      #3
      Worried about the bbk figment in profile 3 for the arc 8, think Id rather have the 17x8.5 but... though call Sent from my iPhone using Tapatalk
      1987 BMW 325is,(M3 S50 Swapped)-Current
      2010 FJ Cruiser, aka E30 Support Vehicle-(Daily)
      2008 Scion xB Lowered
      2001 BMW 325i
      1995 BMW 318ti
      1966 Ford Mustang Coupe
      1965 Ford Mustang Coupe

      My Thread

      Comment


        #4
        Originally posted by b-rad View Post
        Worried about the bbk figment in profile 3 for the arc 8, think Id rather have the 17x8.5 but... though call Sent from my iPhone using Tapatalk
        I have 17X8 over Massive Lee 300x22 kit and they fit fine, with tons of room. Another guy has the biggest kit Lee makes, the 332x32 kit under the same wheels.
        As far as using spacers, not sure. I'm running into my swaybar with 205/15's and ordered 10.5mm spacers from ECS.

        Fenders aren't rolled or anything though.

        Interested in the AD08's
        I've heard awesome things, but the life isn't as long.
        I'm a long time RE71-R fan, but I'll see how those do this season.
        I do things.

        Comment


          #5
          Ask Apex about it. They are very knowledgeable and helpful folks.

          Comment


            #6
            This is what they wrote:
            We would recommend the following fitment for your application:

            Front & Rear: 17x8.5" ET20 with 215/40-17 tires
            • Available in ARC-8 design only.
            • Requires front negative camber.
            • Requires 5mm front spacers for brake clearance.
            • Requires rolled rear fenders to prevent rubbing.
            • 235/40-17 tires can also be used, but more negative camber will be required.

            We would not recommend the 245mm tires on a 3 series. The E30 M3 benefits from fender flared arches that allows for much wider wheels and tires, and while the E30 M3 suspension kit does aid in fitment, we would not recommend M3 fitments on a standard 3 series.

            I hope this information was helpful. If you have any further questions, feel free to reach out to me!
            1987 BMW 325is,(M3 S50 Swapped)-Current
            2010 FJ Cruiser, aka E30 Support Vehicle-(Daily)
            2008 Scion xB Lowered
            2001 BMW 325i
            1995 BMW 318ti
            1966 Ford Mustang Coupe
            1965 Ford Mustang Coupe

            My Thread

            Comment


              #7
              The 17x8 has diff front face allowing better brake spacing.
              But then the tire sizes are at issue.
              Other wheels that are recommended?
              1987 BMW 325is,(M3 S50 Swapped)-Current
              2010 FJ Cruiser, aka E30 Support Vehicle-(Daily)
              2008 Scion xB Lowered
              2001 BMW 325i
              1995 BMW 318ti
              1966 Ford Mustang Coupe
              1965 Ford Mustang Coupe

              My Thread

              Comment


                #8
                215mmm tires on an 8.5" rim will stretch the tires' shoulders. Not a good idea. As we discussed over past emails, here's my recommendation in term of rim width vs tire section.

                8" rim - 225 to 235
                8-1/2" rim - 235 tire
                9" rim - 245
                Brake harder. Go faster. No shit.

                massivebrakes.com

                http://www.facebook.com/pages/Massiv...78417442267056





                Comment


                  #9
                  Originally posted by b-rad View Post
                  Looking for some thoughts/opinions. Embarking on BBK (Massive) upgrade which means moving from 16" rims to 17" rims. In looking at Apex Arc-8, 17x8 or 17x8.5 ET20 on both.
                  I have E30M3 Suspension 5-lug, with Ground Control Coilovers. Hoping to not have to cut the fenders. Already rolled, but not apposed to modifying more, just prefer not to cut. Question is more about tire/rim sizes. Would like to use the A052, but they are only available in 245/40/17 or 215

                  I have 225/45/16 and happy with overall performance... running A052 for AutoX and R888r for the track.

                  Looking at for AutoX
                  Proxes R1R - Size: 235/40ZR17
                  ADVAN Neova AD08 R - Size: 235/40R17

                  Track:
                  Proxes RR - Size: 235/40ZR17
                  Toyo R888r, 235/40/17

                  Better to buy the 17x8.5 Profile 3 or 17x8 Profile 1?
                  Concerned about the backside of the tire/rim and having to add spacers.

                  For HPDE I run the ARC8 four lug ET20 wheels with 235/40/17 BFG Rival S square on a 1987 325i. Suspension is H&R race springs with Bilsteins, camber plates. Fenders are rolled and the liners have been removed. For the street I run 235/40 Yokohama S Drive's square, both sets of tires are very close to rubbing on the strut tubes up front but do not, no spacers used.





                  Comment


                    #10
                    Originally posted by b-rad View Post
                    This is what they wrote:
                    We would recommend the following fitment for your application:

                    Front & Rear: 17x8.5" ET20 with 215/40-17 tires
                    • Available in ARC-8 design only.
                    • Requires front negative camber.
                    • Requires 5mm front spacers for brake clearance.
                    • Requires rolled rear fenders to prevent rubbing.
                    • 235/40-17 tires can also be used, but more negative camber will be required.

                    We would not recommend the 245mm tires on a 3 series. The E30 M3 benefits from fender flared arches that allows for much wider wheels and tires, and while the E30 M3 suspension kit does aid in fitment, we would not recommend M3 fitments on a standard 3 series.

                    I hope this information was helpful. If you have any further questions, feel free to reach out to me!
                    I have 215/40/17 Falken Azenis on my 17x8 and they're stretched.
                    No way I'd put a 215 on an 8.5" wheel.
                    I do things.

                    Comment

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