Thread: Maybe new wheels, need fitment check

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  1. #1 Maybe new wheels, need fitment check 
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    I have been looking on and off for wheels and might have found some that I like. I've been through Bio's post on wheel stuff but just want to double check before I spend the coin since I've never bought a set of aftermarket wheels.

    Wheels I'm considering are 18x8, center bore of 73.1 (have hubcentric rings), offset is 45mm, which to my knowledge equals about 6.27 on backspacing. Planning on running 235/45/ZR18 tires.

    What I need to know: Will these clear my Impala front brakes, and do I need to do any fender roll work? I'm lowered on Eibach's also if that matters.
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  3. #2 Re: Maybe new wheels, need fitment check 
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    I would think you'll have serious rub, especially in the rear. I was on 18x8.5 +35 running 245/45/18's on Eibachs and had to roll rears to clear.

    Other way around it would be to run -3*+ camber in the rear.


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  4. #3 Re: Maybe new wheels, need fitment check 
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    Since these are a 1/2" narrower wheels, would I still need to roll the rears? Is it the offset that messes it up? I'm not really well versed in wheel sizing just yet so just asking to gain knowledge before I get into something that I don't really want to blow extra money on. Plus I need to make sure these clear my front brakes (which I would think they will since my stock 16's clear them).
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  5. #4 Re: Maybe new wheels, need fitment check 
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    The 1/2" is counter by the higher offset, yeah. It's pushed out 10mm, which is slightly less than a half inch, so your setup would fit very similar to mine.

    I would expect to roll rear fenders.


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  6. #5 Re: Maybe new wheels, need fitment check 
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    Ok, thank you for the info. I kinda figured that might be why.
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  7. #6 Re: Maybe new wheels, need fitment check 
    GrandPrix Junkie spazzz's Avatar
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    I have 40 ET, 18 x 8 with 245/45/18, not a problem after 5 years and lowered on SSCs
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  8. #7 Re: Maybe new wheels, need fitment check 
    GXP Level Member The Guz's Avatar
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    Iím lowered on the GMPP kit. The first set of 18ís I had were AE077ís. I think they were 18x8, +40. I had to roll the fenders.

    With the fenders rolled I have had no issues with the last two sets of 18ís I had.

    I believe the black 18ís were 18x8, +35 or +40. Canít remember.

    My current wheels are 18x8 +35 and no issues with rolled fenders.
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  9. #8 Re: Maybe new wheels, need fitment check 
    GrandPrix Junkie spazzz's Avatar
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    I guess it was 7 years ago.



    Mike, maybe the rolling was necessary because our cars are a different series.
    I have a roller I may never use again. $45 from ebay and worked like a charm on my 08,535xi
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