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      08-06-2012, 09:09 PM   #23
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Quote:
Originally Posted by Rich2k1 View Post
I did 20x10.5 rear +45.Car cambers a bit when lowered But you should be fine unless you are really concerned with 38 offset then tell them to shave 3mm off the pad.I will be doing a 19x9.5 square set up soon and will be going with a 35 offset rear.Here are shots on the side profile of the 20x10.5 +45.
What rear tire size is that? 285/25-20?

You've got a killer setup there BTW!

Last edited by awhk; 08-06-2012 at 09:23 PM.
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      08-08-2012, 09:27 PM   #24
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Sorry - I ran the numbers ... and w/ a 9.5" x 19" rim w/ +38ET w/ 255 stock tire, the setup would only stick out by 9mm vs stock. That's more than in line (as there's enough room to fit a 12-15mm spacer in the rear). If you're looking to go w/ wider rubber... well, that's a different story.
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      08-08-2012, 09:38 PM   #25
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Originally Posted by martinf79 View Post
Sorry - I ran the numbers ... and w/ a 9.5" x 19" rim w/ +38ET w/ 255 stock tire, the setup would only stick out by 9mm vs stock. That's more than in line (as there's enough room to fit a 12-15mm spacer in the rear). If you're looking to go w/ wider rubber... well, that's a different story.
Guys ... please see the below link (ran OEM setup vs. 9.5x 38+)...

9mm out to fender ... that's the only difference vs. stock. Someone please tell me how this is "too aggresive". A few of you have said this, and not sure if I'm missing something, or whether some on you here don't know how the offset will affect the final outcome?

http://www.rimsntires.com/specs.jsp?...&text1=&text2=

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      08-08-2012, 09:43 PM   #26
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Quote:
Originally Posted by Photoman View Post
Yeah could run a square setup... Will email UAP and see.
Thanks!
FYI - 8.5" w/ +35ET for teh rear is WORSE OFF than 9.5" w/ +38. You'll stick out 12mm vs. stock as opposed to 9mm.

Run the numbers yourself.
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      08-09-2012, 02:48 AM   #27
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Quote:
Originally Posted by martinf79 View Post
Guys ... please see the below link (ran OEM setup vs. 9.5x 38+)...

9mm out to fender ... that's the only difference vs. stock. Someone please tell me how this is "too aggresive". A few of you have said this, and not sure if I'm missing something, or whether some on you here don't know how the offset will affect the final outcome?

http://www.rimsntires.com/specs.jsp?...&text1=&text2=

The wheel width also plays an important factor to the settings of the wheels/tires. For example, when you compare the stock 19x8.5 ET47 with 19x9.5 ET38 (assuming both setup uses identical 255 tires), the wheels/tires will be 9mm closer to the fenders. However, since the new wheels are 1" wider, the outer edge of the new rims should stick out 9mm + 12.5mm (1/2") = 21.5mm compare to stock. The wider rims will give a slight stretch to the tires, which can also affect the overall clearance. When comparing 19x9.5 ET38 and 19x8.5 ET35, the 9.5" setup would still be more aggressive (by 9.5mm) than the 8.5" even though the offset is less aggressive.
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      08-09-2012, 06:56 AM   #28
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Hey guys I'm running 9.5x19 ET38 with 255-35-19s in the rear and it's perfectly flush! NO stretching at all.
Waiting for coilovers before I drop but you can check out the pics on the link in my sig.
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      08-09-2012, 07:58 AM   #29
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Quote:
Originally Posted by awhk View Post
The wheel width also plays an important factor to the settings of the wheels/tires. For example, when you compare the stock 19x8.5 ET47 with 19x9.5 ET38 (assuming both setup uses identical 255 tires), the wheels/tires will be 9mm closer to the fenders. However, since the new wheels are 1" wider, the outer edge of the new rims should stick out 9mm + 12.5mm (1/2") = 21.5mm compare to stock. The wider rims will give a slight stretch to the tires, which can also affect the overall clearance. When comparing 19x9.5 ET38 and 19x8.5 ET35, the 9.5" setup would still be more aggressive (by 9.5mm) than the 8.5" even though the offset is less aggressive.
Thanks AWHK - but why wouldn't the above onlien tool (see link above in my previous post) account for that??? Are you sure about this. Based on the assessment, it doesn't appear as thought the width of the rim is impacted at all (as the incremental width is simply being absorbed by the difference in the offset). Clearly, I'm no expert on this, but I am also looking to purchase a set of 19s w/ x 9.5 w/ a +38 offset, and really do need to make sure whether I'm better off w/ a 8.5" w/ 35+ offset instead.
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      08-09-2012, 08:04 AM   #30
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Quote:
Originally Posted by Photoman View Post
Hey guys I'm running 9.5x19 ET38 with 255-35-19s in the rear and it's perfectly flush! NO stretching at all.
Waiting for coilovers before I drop but you can check out the pics on the link in my sig.
Thanks Photoman ... I stand corrected ... looks PERFECT!! And you still have a bit of room if you wanted to push it out by a few more mm (but I actually wouldn't ... think your setup looks amazing!). I can't imagine that your setup pushed out 21.5mm vs stock as suggested above. That clearly looks like a 9mm difference.

Guys ... I'm not trying to get into a pissing match, but the online tool (w/ link I provided) wil tell you exactly what impact the rim and tire size impact has on the car (rim width included)... and as far as I can see, the 9.5" width w/ +38 offset is PERFECT (and the pics Photoman has proves it).
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      08-09-2012, 08:58 AM   #31
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Quote:
Originally Posted by martinf79 View Post
Thanks AWHK - but why wouldn't the above onlien tool (see link above in my previous post) account for that??? Are you sure about this. Based on the assessment, it doesn't appear as thought the width of the rim is impacted at all (as the incremental width is simply being absorbed by the difference in the offset). Clearly, I'm no expert on this, but I am also looking to purchase a set of 19s w/ x 9.5 w/ a +38 offset, and really do need to make sure whether I'm better off w/ a 8.5" w/ 35+ offset instead.
Here is a quote I found from Tirerack upon searching the web. Hope this can help.

"Section Width

...The width of a tire mounted on a narrow rim would be "narrower" than if the same tire was mounted on a wide rim. NOTE: because the overall diameter of a steel belted radial is determined by the steel belts, there is little, if any, change to the overall diameter of the tire due to differences in rim width.

The industry rule of thumb is that for every 1/2" change in rim width, the tire's section width will correspondingly change by approximately 2/10"..."

http://www.tirerack.com/tires/tirete...jsp?techid=200
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      08-09-2012, 09:09 AM   #32
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Quote:
Originally Posted by awhk View Post
Here is a quote I found from Tirerack upon searching the web. Hope this can help.

"Section Width

...The width of a tire mounted on a narrow rim would be "narrower" than if the same tire was mounted on a wide rim. NOTE: because the overall diameter of a steel belted radial is determined by the steel belts, there is little, if any, change to the overall diameter of the tire due to differences in rim width.

The industry rule of thumb is that for every 1/2" change in rim width, the tire's section width will correspondingly change by approximately 2/10"..."

http://www.tirerack.com/tires/tirete...jsp?techid=200
This may be true ... but depedning on the offset, there could be little to no change to overall extension to fender?

Regardless... looks like (based on Phantom's setup), that a 255 stock tire w/ 9.5" w/ +38ET fits very nicely. I think that's ultimately what we're all trying to determine here.

Net-Net = F30 drivers can use 9.5" wide rims w/ a +38 Offset with ample fender space leftover. Are we all in agreement on this at this point??? (because I've run the diagnostic assessment + seen real life pictures, so unless someone can come up w/ some other compelling reason to disagree w/ this ... I'm sold lol)
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      10-08-2012, 05:14 PM   #33
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looking to see if anybody tried the avant garde m355 in 19x10 et38 on their rear. would love to see if anybody got the 3mm shaved of for a ET41 in rear and test fitted
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      01-07-2013, 03:26 PM   #34
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Hi Photoman,
How did you make out with the Avant M355's? Did you have to do anything special? I am looking at using them on my f30 I have on order.

Thanks!
John
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      01-08-2013, 06:13 PM   #35
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I have a set of M310's on my F30 I can tell you that you will need hub rings. I was shocked to find out that. I had vibration now with the rings it is perfect.
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      01-08-2013, 07:57 PM   #36
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Quote:
Originally Posted by Geojohn5 View Post
Hi Photoman,
How did you make out with the Avant M355's? Did you have to do anything special? I am looking at using them on my f30 I have on order.

Thanks!
John
I got the M5 Reps instead as there was mucho confusion about the avant garde's fitment on the F30 back then. However, I believe the M355s will bolt right on to the F30 with no issues... However I think the max tire size in the rear are 275/30/19.
Hope that helps.
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      01-09-2013, 12:04 PM   #37
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So we're in agreement that mod bargains/oem+wheels/avante guard will all work with 19x8.5 et 35 and 19x9.5 et 38 for m5 reps? Consider then ordered already if that's the case, also, can I get away with a little stretch and go 255/40 for the rear tires) 245x35 or 40 in front
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      01-13-2013, 01:45 AM   #38
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So we're in agreement that mod bargains/oem+wheels/avante guard will all work with 19x8.5 et 35 and 19x9.5 et 38 for m5 reps? Consider then ordered already if that's the case, also, can I get away with a little stretch and go 255/40 for the rear tires) 245x35 or 40 in front
For the front definitely some room even lowered with super sport springs on mine 19x8.5 et 35 fronts. I have 235/35 Michelin on super sports springs which is a thick tire wall. I could have also gone 245/35 for fronts. I wouldn't do 255/40 kinda pushing it.
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      01-13-2013, 11:50 AM   #39
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For the front definitely some room even lowered with super sport springs on mine 19x8.5 et 35 fronts. I have 235/35 Michelin on super sports springs which is a thick tire wall. I could have also gone 245/35 for fronts. I wouldn't do 255/40 kinda pushing it.
but running that size and offset for my rear would still be ok, right? I have H&R sport springs, not the super sports, so I know clearance will be fine but I want it to be flush, stancy, and sexy. sorry for 'stancy', I am a vw audi guy so some habits never die haha
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      01-13-2013, 04:59 PM   #40
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but running that size and offset for my rear would still be ok, right? I have H&R sport springs, not the super sports, so I know clearance will be fine but I want it to be flush, stancy, and sexy. sorry for 'stancy', I am a vw audi guy so some habits never die haha
If you want flush best way to go coilovers.
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      01-13-2013, 06:13 PM   #41
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If you want flush best way to go coilovers.
I know that, I meant flush as in offset not wheel gap.
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      01-13-2013, 06:25 PM   #42
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I know that, I meant flush as in offset not wheel gap.
Go 265 rears and 245 front. But if you're going Michelin tires go 255.
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      01-13-2013, 06:35 PM   #43
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Go 265 rears and 245 front. But if you're going Michelin tires go 255.
thanks! I'm going to go order these up right now!
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      02-02-2013, 11:15 PM   #44
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What do you guys think about this setup on a F30

19x8.5 30mm 235/35
19.9.5 35mm 275/30

With the 35 offset on the rear and 275 tires, the calculator says it would extend 22mm further than stock. On stock suspension, I assume this is way too much, correct?
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