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  • 11-05-2008, 12:11 PM
    lezonebay

    you need camber plate for the understeer

    a slightly wider tires will not reduce it much. you can put a 225 on the 7.5" wheels but thats not going to magic.
    a camber plate and larger rear anti-sway bar will do it.
    the staggered setup from the Z4 has a same ratio so it will just understeer the same ratio, only a tiny bit higher speed due to the wider tires.
    225 with a 245 rear will slightly reduce understeer but you can also play with tire pressure to reduce understeer. these are fine tuning of them, most people will not feel the difference.
  • 04-18-2008, 08:27 PM
    defcon1racing

    those numbers are right Joe.

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  • 04-05-2008, 12:53 PM
    Radiation-Joe

    Are you sure?

    TireRack sends spacers with et-44 wheels.
    So I suspect the offset is closer to et35.

  • 03-28-2008, 04:36 PM
    Z4Ben

    Re: any one know offset of stock wheels?

    The 135i has the following wheel size
    Size: 7.5x18" (f), 8.5x18" (r)
    Offset: et 49 (f), et 52 (r)
  • 03-27-2008, 07:44 PM
    defcon1racing

    any one know offset of stock wheels?

    <b><FONT FACE=verdana>Shane</FONT></b><FONT FACE=verdana><b><FONT COLOR=0099FF>
    def.</FONT><FONT COLOR=0033FF>con</FONT><FONT COLOR=CC0000>.one</FONT></b> <sub><b><FONT COLOR=CC0000>R</FONT></b>acing</sub></FONT>
    <FONT COLOR=999999 FONT FACE=verdana>02 Sterling Gray M3 Coupe</FONT>
    <img src=http://members.roadfly.com/defcon1racing/hitachino_av.gif></a><img src=http://members.roadfly.com/defcon1racing/saf_side_sm.jpg></a>
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  • 03-07-2008, 05:48 PM
    Z4Ben

    Wheel size for 135i

    Hello all,
    I am going to buy the 135i if it drives ok for my wife and I. We currently have a 2004 Z4 3.0i. I bought a set of wheels and tires for the Z4 that I think would look good on the 135i. I noticed the factory wheels and tires on the 135i were:
    WHEELS TIRES
    135i
    18 x 7.5 215/44R-18 Front
    18 x 8.5 245/35R-18 Rear
    Z4
    18 x 8 225/40R-18 Front
    18 x 8.5 255/35R-18 Rear

    Does anyone know if the wheels from my Z4 will fit the 135i. The bolt pattern looks the same but I am wondering is the 18 x 8s will fit on the front. I did read one review where they said larger front tires would fix the understear the car has.

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