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Thread: M-parallel question

  1. #1
    Join Date
    Sep 2008
    Posts
    28

    Default M-parallel question

    I purchased a set of stagered M-parallel's, and have a couple of questions.

    I was wondering if any one has run the 18"x9.5" on all 4 corners.

    Will the 9.5's fit in the front.

  2. #2
    Join Date
    Sep 2007
    Location
    Seattle, WA
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    1,036

    Default

    You got those off an E38, correct?

    E34 front M-Par is an 18x8 ET20. The E38 M-Par 18x9.5 is ET25. So you've got 1.5 inches of width total extra. As the E38 rim sits 5mm farther inboard you'll have 9/16ths of an inch extra on the outboard side, and 15/16ths of an inch extra on the inboard side. Now I don't know anyone that's tried it, but at almost an inch of extra wheel on the inside you're almost guaranteed for it to hit the shocks. And you might have to roll the fender to get the 9/16ths extra width to clear the outboard side.

    Why would you even want to run 9.5's on all 4 corners if you've only got 2 of them anyways? This is assuming you've got a staggered E38 set which has 18x8's on the front.

    Stock fitment on E34's for M-Pars is 245/40/18 on all 4 even though the wheel is 18x8 front and 18x9 rear. And you won't need wider rubber anyways with your 535 as long as you're using halfway decent rubber.

    Just stick with the 18x8 on the front, and the 18x9.5 on the rear. Not only will you not have fitment issues then, but it'll ride & handle better without the extra mass & width of wheel the 9.5 has over the 8.
    Cosmos Black/Black 1995 540iA M-Sport
    BMW Individual Exclusive Edition, 1 of 65 total, 9/25/95 Build

  3. #3
    Join Date
    Sep 2008
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    28

    Default

    Thanks for the advice.

    I found some one selling three (two 9.5 and one 8). I was thinking that I could possible run 9.5's all around. To be honest it would be only for looks. I like the larger lip on the 9.5's.

    So I think I will stick with the staggered set up.
    I believe that the fronts have a offset of 13, does this sound correct?
    Do you think that the 245/40/18 will look to streatched on the 9.5?

  4. #4
    Join Date
    Sep 2007
    Location
    Seattle, WA
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    Default

    Well as you haven't said in this thread (if you know) what car these came off of, and by my guess based on the price is that they were from an E38. If they are E38 M-Pars, then yes, the fronts are 18x8 ET13.

    And a 245/40/18 tire will fit on a 8-9.5 inch rim. Will they look streached? Doubt it. But I'm sure the sidewall will be pretty straight at the edge of the rim.
    Cosmos Black/Black 1995 540iA M-Sport
    BMW Individual Exclusive Edition, 1 of 65 total, 9/25/95 Build

  5. #5
    Join Date
    Sep 2008
    Posts
    28

    Default

    Yep, they came off a E38.

    Thanks again.

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