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      12-12-2016, 03:14 PM   #89
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Quote:
Originally Posted by blisstik View Post
This looks like the proper tire setup for 437m. Just enough thickness (that's what she said LOL) on the sidewalls.

BTW: What are you lowered on?
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      12-19-2016, 08:29 PM   #90
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Will 225/40/19 Tires work on 19x8.5 +35 wheels... 328i F30 xDrive Sedan
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      12-20-2016, 03:14 AM   #91
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Quote:
Originally Posted by rhdh1049 View Post
Will 225/40/19 Tires work on 19x8.5 +35 wheels... 328i F30 xDrive Sedan
Yes, 225/40 will fit.

But the tires will be stretched.
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      01-08-2017, 05:15 PM   #92
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Quote:
Originally Posted by FeelinBlessed View Post
I got mine done this past Saturday. Couldn't be happier

225/255 works fine for me. I actually like this look!

OEM m4 437m's

Just bought some 437m myself for my f30. I'm thinking about swapping my 403m tires to the m. How's the ride? Btw, I'm lowered on Dinan springs.
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      01-08-2017, 06:01 PM   #93
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Quote:
Originally Posted by Bimmer_tech1023 View Post
Quote:
Originally Posted by FeelinBlessed View Post
I got mine done this past Saturday. Couldn't be happier

225/255 works fine for me. I actually like this look!

OEM m4 437m's

Just bought some 437m myself for my f30. I'm thinking about swapping my 403m tires to the m. How's the ride? Btw, I'm lowered on Dinan springs.
No complaints on the ride. Couldn't be any happier with the result!!!
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      01-08-2017, 07:21 PM   #94
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Quote:
Originally Posted by SLOWER View Post
Got mine mounted today. Absolutely love them. I really stressed out about the aggressiveness and the "poke" on these. Had some pretty serious buyers remorse when I test fit the rear wheel without a tire. Once they were on that is a non issue. They look like they are custom made for this car.



400M vs 437M


This is the angle that's deceiving. If you set your eye on the same plane as the flat part of the fender, right above the tire, there is only the slightest bulge of the sidewall proud of the fender. Difficult to photograph with a phone.

Where did you buy the wheels from?
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      01-21-2017, 01:00 AM   #95
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Quote:
Originally Posted by oguz kuruca View Post
stock tires from the 437M will rub (even though some people claim they don't I tested in person and they did rub)

stock tires from 403M are fine on 437M
When you tested it in person was it with stock xdrive suspension?
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      01-22-2017, 04:31 PM   #96
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Great thread!
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      01-25-2017, 02:05 PM   #97
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Quote:
Originally Posted by Winsalot View Post
When you tested it in person was it with stock xdrive suspension?
It's been a while I don't remember but I think it was dropped on H&R springs only.
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      01-25-2017, 02:10 PM   #98
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UPDATE: I live in east coast, weather dropped down to 15-20 F lately. my front tire is leaking air, (it happened last year too). front tires are stretched so they leak every winter. it gets stupid annoying after few visits to the tire shop. It's fine from April to November. So I purchased some oem style 192s and installed them for the winter (required spacers in the front). BTW I don't do much driving in the winter but with the winter tires and all wheel drive, car drives great even in snow!
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      01-26-2017, 09:05 AM   #99
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My OEM 437M rims are finally on...
Also ditched the Runflats and although the diametre increase from 18'' (400M) to 19'' (437M) wheels, the ride is better.
225/40/19 - 255/35/19 tyres, M sport suspension lowered with ACS springs, no rubbing so far.
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      01-26-2017, 09:09 AM   #100
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437m reps 235/35-19 & 275/30-19 h&r super sport springs
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      01-26-2017, 07:02 PM   #101
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Quote:
Originally Posted by bill_f31 View Post
My OEM 437M rims are finally on...
Also ditched the Runflats and although the diametre increase from 18'' (400M) to 19'' (437M) wheels, the ride is better.
225/40/19 - 255/35/19 tyres, M sport suspension lowered with ACS springs, no rubbing so far.
Looks really good. Is it a 340i?

Any shots from along the side to see how much it sticks out?

Do the 225 look very stretched on 9J rim - likewise for the 255 on 10J?

Did you consider fitting the RFTs (though I realise it seems you were moving up from 18" - I'm thinking of moving to 437M from 19" 442M with RFTs).
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      01-26-2017, 10:11 PM   #102
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I am interested in a bunch of OEM side shots with measurements from the fenders as well, especially the front.

I'm on the fence between OEM and REP for a F30, but leaning towards the REPs because of my calculated poke past the fenders. Currently I have 18x8.5ET35 front (about 5mm inside fender) and 18x9.5 ET33 rear which measures 27mm. That looks just fine, but I think the perfect look is 12mm front and 21mm rear which gives an aggressive tire look outside both fenders without being too much or looking unbalanced.

Ideal 12mm / 21mm (0mm / 0mm)
19x8.5 ET35 / 19x9.5 ET40 REPs calculate to 5.5mm / 20mm (-6.5mm / - 1mm)
REPs with 5mm front spacer calculate to 10.5mm / 20mm (-1.5mm / -1mm)
19x9.0 ET29 / 19x10 ET40 OEM calculate to 18mm / 26.5mm (+6mm / +5.5mm)

Will be using 235/40 and 265/35 tires if I buy replica wheels and use 255/25 and 265/35 if I buy OEM.

Anything smaller than 235 in the front looks stretched.
Anything larger than 255 in the front will rub.
Anything larger than 265 in the rear has a chance of rubbing. Many have run 275 without issue.
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      01-26-2017, 10:39 PM   #103
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In case anyone else can benefit from my research which pertains to a F30 M-Sport xDrive:

To calculate tire height: ie 245/40R19

Take the width of the tire (ie 245mm)
then convert to inches (divide by 25.4)
then multiply by the ratio (.40)
then multiply by 2 (tire on both sides of the wheel)
then add the wheel diameter (19").

eg: (((245mm / 25.4) * .40) * 2) + 19" = 26.72" tall

*Don't exceed +- 0.5" the stock tire height to maintain your suspension, speedometer, comfort, etc.
*Try to stay as close as possible to stock tire heights.
*The speedometer comes ~1% fast, meaning a 1% increase in tire height will give you a true speed.

Wheel-----Front Offset + Tire----------Rear Offset + Tire-----------Total Height Front / Rear---Pct Diff from OEM Front / Rear
18" 400M (18x8 ET34 225/45R18 / 18x8.5 ET47 255/40R18) = 25.97" / 26.03" (stock)
19" 437M (19x8.5 ET35 225/40R19 / 19x9.5 ET40 255/35R19) = 26.08" / 26.02" REP (same as stock)
19" 437M (19x8.5 ET35 235/40R19 / 19x9.5 ET40 265/35R19) = 26.40" / 26.30" REP (+1.6% / +1%)
19" 437M (19x9.0 ET29 235/35R19 / 19x10 ET40 265/30R19) = 25.47" / 25.25" OEM (-2% / -3%) - Very popular with ACS / HRSport kits
19" 437M (19x9.0 ET29 235/40R19 / 19x10 ET40 265/35R19) = 26.40" / 26.30" OEM (+1.6% / +1%)
19" 437M (19x9.0 ET29 245/35R19 / 19x10 ET40 265/35R19) = 25.75" / 26.30" OEM (<-1% / +1%)
19" 437M (19x9.0 ET29 255/35R19 / 19x10 ET40 265/35R19) = 26.02" / 26.30" OEM (0% / +1%)
19" 437M (19x9.0 ET29 255/35R19 / 19x10 ET40 275/35R19) = 26.02" / 26.57" OEM M3 *Possible Rubbing*

A 35 ratio tire is generally around 3.5" thick sidewall.
A 40 ratio tire is generally around 3.7" thick sidewall.

I personally like the thicker sidewall for comfort (at the cost of some handling) and to minimize wheel gap (I don't plan on dropping my car more than 0.75")
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Last edited by CPT Smuggs; 01-28-2017 at 07:10 PM. Reason: Added Clarification
      01-27-2017, 05:28 AM   #104
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Quote:
Originally Posted by ///ajd View Post
Looks really good. Is it a 340i?

Any shots from along the side to see how much it sticks out?

Do the 225 look very stretched on 9J rim - likewise for the 255 on 10J?

Did you consider fitting the RFTs (though I realise it seems you were moving up from 18" - I'm thinking of moving to 437M from 19" 442M with RFTs).
I was afraid that the 225-255 tyres would look more stretched on 9J-10 rims, but I think that they look OK.
I never considered staying with the RFTs.
The original 437M forged wheels are lighter than my previous 400M wheels and, in combination with the also lighter non-RFT 19 tyres, give a flowing ride feeling, although you would expect harsher ride because of the 19'' setup.
Some random (wet) sideshots:
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      01-27-2017, 10:13 PM   #105
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That looks good Bill. I thought there were be a lot more poke as my current wheels have a ET33 offset vs ET29. Between the thicker wheel and a slightly stretched tire it doesn't appear to stick out as far as mine.



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      01-28-2017, 01:57 AM   #106
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Quote:
Originally Posted by bill_f31 View Post
My OEM 437M rims are finally on...
Also ditched the Runflats and although the diametre increase from 18'' (400M) to 19'' (437M) wheels, the ride is better.
225/40/19 - 255/35/19 tyres, M sport suspension lowered with ACS springs, no rubbing so far.
Nice setup
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      01-28-2017, 02:03 AM   #107
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Quote:
Originally Posted by CPT Smuggs View Post
In case anyone else can benefit from my research which pertains to a F30 M-Sport xDrive:

To calculate tire height: ie 245/40R19

Take the width of the tire (ie 245mm)
then convert to inches (divide by 25.4)
then multiply by the ratio (.40)
then multiply by 2 (tire on both sides of the wheel)
then add the wheel diameter (19").

eg: (((245mm / 25.4) * .40) * 2) + 19" = 26.72" tall

*Don't exceed +- 0.5" the stock tire height to maintain your suspension, speedometer, comfort, etc.
*Try to stay as close as possible to stock tire heights.
*The speedometer comes ~1% fast, meaning a 1% increase in tire height will give you a true speed.

18" 400M (18x8 ET34 225/45R18 / 18x8.5 ET47 255/40R18) = 25.97" / 26.03" (stock)
19" 437M (19x8.5 ET35 225/40R19 / 19x9.5 ET40 255/35R19) = 26.08" / 26.02" REP (same as stock)
19" 437M (19x8.5 ET35 235/40R19 / 19x9.5 ET40 265/35R19) = 26.40" / 26.30" REP (+1.6% / +1%)
19" 437M (19x9.0 ET29 235/35R19 / 19x10 ET40 265/30R19) = 25.47" / 25.25" OEM (-2% / -3%) - Very popular with ACS / HRSport kits
19" 437M (19x9.0 ET29 235/40R19 / 19x10 ET40 265/35R19) = 26.40" / 26.30" OEM (+1.6% / +1%)
19" 437M (19x9.0 ET29 245/35R19 / 19x10 ET40 265/35R19) = 25.75" / 26.30" OEM (<-1% / +1%)
19" 437M (19x9.0 ET29 255/35R19 / 19x10 ET40 265/35R19) = 26.02" / 26.30" OEM (0% / +1%)
19" 437M (19x9.0 ET29 255/35R19 / 19x10 ET40 275/35R19) = 26.02" / 26.57" OEM M3 *Rubs!*

A 35 ratio tire is generally around 3.5" thick sidewall.
A 40 ratio tire is generally around 3.7" thick sidewall.

I personally like the thicker sidewall for comfort (at the cost of some handling) and to minimize wheel gap (I don't plan on dropping my car more than 0.75")
Thank you
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      01-28-2017, 05:11 AM   #108
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Quote:
Originally Posted by CPT Smuggs View Post
19" 437M (19x9.0 ET29 235/35R19 / 19x10 ET40 265/30R19) = 25.47" / 25.25" OEM (-2% / -3%) - Very popular with ACS / HRSport kits
19" 437M (19x9.0 ET29 255/35R19 / 19x10 ET40 265/35R19) = 26.02" / 26.30" OEM (0% / +1%)
19" 437M (19x9.0 ET29 255/35R19 / 19x10 ET40 275/35R19) = 26.02" / 26.57" OEM M3 *Rubs!*
Interesting info.

Making sure there are no assumptions, exactly what is the first and second %?

Also, fwiw, there are forum members claiming they are running 275/35R19 and claim no rubbing, while others claim the ride is just too rough.

Last edited by Kabrich; 01-28-2017 at 05:16 AM.
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      01-28-2017, 07:33 AM   #109
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Quote:
Originally Posted by oovahe View Post
Nice setup
Thank you.
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      01-28-2017, 07:51 AM   #110
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Running 235/35/19 and 265/30/19 and wishing more tire.
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