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Motorsports & Track Forum
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Old 08-04-2012, 01:39 PM   #1
JJ1
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Wide front wheel/tire e46 m3

I'm new to the e46 m3 and just wanted to see if anyone with experience could help me out. I am getting an e46 m3 and want to do a nice, simple build for DD/track use. I'm pretty set on running kw v3's with a square wheel/tire package. I would like to run 18x10.5 wheels with 275s on all corners but I can't really find anyone with this size in the front. Will this clear inside with about -3deg camber and a fender roll?
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Old 08-07-2012, 01:30 PM   #2
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I've seen a lot of E46 M3s with 18x10 et25 wheels with 275s and pretty aggressive camber. Not sure if a 10.5 will fit...don't think I've ever seen it. I know on non-Ms the KW strut body/helper spring causes some rear tire/wheel clearance issues.
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Old 08-07-2012, 04:44 PM   #3
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delete.... :failed: post

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Old 08-09-2012, 01:02 AM   #4
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I've seen a lot of E46 M3s with 18x10 et25 wheels with 275s and pretty aggressive camber. Not sure if a 10.5 will fit...don't think I've ever seen it. I know on non-Ms the KW strut body/helper spring causes some rear tire/wheel clearance issues.
The section width of a 275/35 18 Hankook is 10.9". I'm thinking there is no reason I can't run a 10.5" wheel with a 10.9" tire if I can run a 10" wheel with a 10.9" tire. I'm just trying to make sure there isn't something I'm missing. Maybe the wheel hits some suspension component, etc. Thanks for the reply.

JJ
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Old 08-09-2012, 11:39 AM   #5
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But what's the advantage of a 10.5 wheel over a 10" wheel when it might not fit and you are not running wider rubber? Besides the hellasuckflushstretch thing.
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Old 08-09-2012, 12:39 PM   #6
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Ideally I'd like an 11" wheel. Some stretch will yield the greatest mechanical grip. It gives you a larger tire patch for the same size tire and keeps side wall flex to a minimum. I am a function over form person (but I prefer both).
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Old 08-09-2012, 12:50 PM   #7
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Quote:
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Ideally I'd like an 11" wheel. Some stretch will yield the greatest mechanical grip. It gives you a larger tire patch for the same size tire and keeps side wall flex to a minimum. I am a function over form person (but I prefer both).
A 10" wheel is already a tight fit between the shock body and fender. You can try the 10.5" wheel and with some determination, work, and money...it will work. Not sure if its worth it to get the mild stretch. If you want something that is easy, the 10" wheel is the way to go.

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Old 08-09-2012, 02:52 PM   #8
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So are you saying the wheel somehow hits the shock body before the tire does?
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Old 08-09-2012, 04:05 PM   #9
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Maybe, you have to be aware that its a possibility. On the non-Ms, the KW coilovers that seem to create a clearance issue on the back of the rim. I know Bilstein and Koni's work with wider rims where a KW needs a small spacer.

Might be different for the Ms since they use more aggressive offsets.
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Old 08-09-2012, 04:14 PM   #10
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I think the helper spring can get in the way (I know this is an e36 issue). So with the 18x10 275 tire do you have to roll your fender and how aggressively? Im just trying to know what to expect.
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Old 08-09-2012, 07:03 PM   #11
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I thinik you'll need to at least roll your fenders and run some aggressive camber.
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Old 08-09-2012, 07:56 PM   #12
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Thanks! Aggressive camber isn't an issue. This car will get regular track use. Im sure with even a conservative fitment I will be running -3 deg or more.
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