Tire fitment question

jwareing89 · 12-12-2016, 09:01 PM

Hey guys, I am getting new wheels and tires and had a question about fitment. There's tons of great information on this forum, but I wanted to post and see if anyone happened to have the specific setup I am looking at (or close to it).

I have a 2011 e92 335is and I am getting Apex ARC-8 wheels. I am going 18x9 in the front and 18x9.5 rear, and was wondering if 245/40R18 tires would fit in the front. The only suspension mods I have are Koni FSD shocks. It looks like several people on the forum have run these wheels with 235/40R18, but I haven't been able to find anyone who did it with 245.

So yeah, just wanted to see if anyone had run a setup like that before on stock/close-to-stock suspension on an e92.

Thanks!

whyzee125 · 12-13-2016, 07:32 PM

They'll fit but it's a little tall. If you want a beefy setup, it would work well. Depending on your offset, you may want to run a 255 front tire.

ApexWheels · 12-13-2016, 08:10 PM

Appreciate your interest in our ARC-8 wheels

I would be happy to help in regards to tires, but to make sure I am able to give you the most accurate recommendation, I have a couple questions for you.

Will this be a street only car, or will it be used for track days as well?
Along the same lines of the question above, will you be using street tires, extreme summer tires, or r-compounds?
What rear tire size do you plan on running?

235/40-18, 245/40-18 and 255/35-18 tire sizes are all commonly used with our 18x9" ET30 wheels on the front of an E9X 3 series. Deciding which is best for you depends on your priorities for the car, how you will be using the car, and which rear tire sizes you will be going with.

Height of front tire options:
225/40-18 - 25.09 (OEM front tire height)
235/40-18 - 25.4 (slightly taller)
245/40-18 - 25.72 (taller)
255/35-18 - 25.03 (just slightly shorter)

Height of rear tire options:
255/35-18 - 25.03 (OEM rear tire height)
265/35-18 - 25.3 (slightly taller)
275/35-18 - 25.58 (slightly taller)

The most common staggered configurations when utilizing our 18x9" Et30 front & 18x9.5" Et35 rear are:

235/40-18 front / 265/35-18 rear

245/40/18 front / 275/35-18 rear

255/35-18 front / 275/35-18 rear

- Ryan

Fundguy1 · 12-13-2016, 08:13 PM

245 fits the front. What did you want for the rear?

jwareing89 · 12-15-2016, 02:12 AM

Thanks for the replies, all! Got them mounted today.

Final setup is:
FRONT
18x9 with 245/40R18
REAR
18x9.5 with 265/35R18
Continental Extremecontact DW all around

I've only had them on for a few hours, but here are my initial impressions:
Function-wise, the ride is noticeably nicer, and the car feels more nimble (whether this is due to lower unsprung weight or just placebo effect is unclear

).

NOTE: I do have some rubbing, so far only when reversing at nearly full right lock. The point that is being rubbed is right on the lower edge of the vent behind the extra 'is' radiator in the driver's side wheel well. I am hoping some of this plastic just wears away over time and that rubbing stops, but if not I may cut or modify that wheel well liner in some way. No rubbing on the passenger's side front or anywhere on the rears. And the rubbing in the front is interesting, it will happen pretty consistently while reversing, but if I keep the steering wheel at the same angle and start driving forward, it will rub for an instant when I start moving but then stop. Maybe somehow the wheel is moving ever so slightly closer to the front when reversing?

Looks-wise I am VERY happy. I had read on some of the forums that Conti DWs ran narrower than other brands, and was a little worried. But now that they are on the car, they look really nice and beefy! They line up with the lip of the tire well too, don't look stretched at all. I actually decided on 245 instead of 235 in the front because I really wanted to avoid an over-stretched look, but seeing them now I bet it would have looked fine with the 235s. That said I am VERY happy with the 245s. All in all, extremely pleased, and got a great deal on the wheels through an Apex group buy.

I did not go into this wheel/tire hunt looking for an especially aggressive fitment, but ended up with some pretty wide tires up front (at least for a daily driver with very limited suspension mods). If there had been ARC-8s in an 8.5 that were concave (even just profile 2 vs profile 3) I would likely have done that, but I had to go 9" to get concave at all 4 corners. And I am very happy with them!

Here are some potato pics I snagged tonight, can try to get some better/daylight shots if there's interest. Thanks again for the advice, all!

View post on imgur.com

12-12-2016, 09:01 PM	#1
jwareing89 New Member 4 Rep 26 Posts Drives: 2011 335is e92 LeMans Blue Join Date: Nov 2016 Location: Austin, TX iTrader: (1)	Tire fitment question Hey guys, I am getting new wheels and tires and had a question about fitment. There's tons of great information on this forum, but I wanted to post and see if anyone happened to have the specific setup I am looking at (or close to it). I have a 2011 e92 335is and I am getting Apex ARC-8 wheels. I am going 18x9 in the front and 18x9.5 rear, and was wondering if 245/40R18 tires would fit in the front. The only suspension mods I have are Koni FSD shocks. It looks like several people on the forum have run these wheels with 235/40R18, but I haven't been able to find anyone who did it with 245. So yeah, just wanted to see if anyone had run a setup like that before on stock/close-to-stock suspension on an e92. Thanks!
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12-13-2016, 07:32 PM	#2
whyzee125 Brigadier General 1991 Rep 4,013 Posts Drives: Dinan stage 2 335i Join Date: Jul 2014 Location: Chattanooga Tn iTrader: (0)	They'll fit but it's a little tall. If you want a beefy setup, it would work well. Depending on your offset, you may want to run a 255 front tire.
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12-13-2016, 08:10 PM	#3
ApexWheels BimmerPost Supporting Vendor 1525 Rep 2,675 Posts Drives: M3 Join Date: Jun 2012 Location: Bay Area iTrader: (2)	Appreciate your interest in our ARC-8 wheels I would be happy to help in regards to tires, but to make sure I am able to give you the most accurate recommendation, I have a couple questions for you. Will this be a street only car, or will it be used for track days as well? Along the same lines of the question above, will you be using street tires, extreme summer tires, or r-compounds? What rear tire size do you plan on running? 235/40-18, 245/40-18 and 255/35-18 tire sizes are all commonly used with our 18x9" ET30 wheels on the front of an E9X 3 series. Deciding which is best for you depends on your priorities for the car, how you will be using the car, and which rear tire sizes you will be going with. Height of front tire options: 225/40-18 - 25.09 (OEM front tire height) 235/40-18 - 25.4 (slightly taller) 245/40-18 - 25.72 (taller) 255/35-18 - 25.03 (just slightly shorter) Height of rear tire options: 255/35-18 - 25.03 (OEM rear tire height) 265/35-18 - 25.3 (slightly taller) 275/35-18 - 25.58 (slightly taller) The most common staggered configurations when utilizing our 18x9" Et30 front & 18x9.5" Et35 rear are: 235/40-18 front / 265/35-18 rear 245/40/18 front / 275/35-18 rear 255/35-18 front / 275/35-18 rear - Ryan __________________ 925-245-0773 /// info@apexraceparts.com Wheels /// Accessories /// Vehicle-Specific Fitment Guides /// Careers /// ML-10 Survey Last edited by ApexWheels; 12-13-2016 at 08:39 PM..
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12-13-2016, 08:13 PM	#4
Fundguy1 Major General 2040 Rep 8,339 Posts Drives: 335 e93 Join Date: Aug 2014 Location: Orlando, fl iTrader: (0)	245 fits the front. What did you want for the rear?
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12-15-2016, 02:12 AM	#5
jwareing89 New Member 4 Rep 26 Posts Drives: 2011 335is e92 LeMans Blue Join Date: Nov 2016 Location: Austin, TX iTrader: (1)	Thanks for the replies, all! Got them mounted today. Final setup is: FRONT 18x9 with 245/40R18 REAR 18x9.5 with 265/35R18 Continental Extremecontact DW all around I've only had them on for a few hours, but here are my initial impressions: Function-wise, the ride is noticeably nicer, and the car feels more nimble (whether this is due to lower unsprung weight or just placebo effect is unclear ). NOTE: I do have some rubbing, so far only when reversing at nearly full right lock. The point that is being rubbed is right on the lower edge of the vent behind the extra 'is' radiator in the driver's side wheel well. I am hoping some of this plastic just wears away over time and that rubbing stops, but if not I may cut or modify that wheel well liner in some way. No rubbing on the passenger's side front or anywhere on the rears. And the rubbing in the front is interesting, it will happen pretty consistently while reversing, but if I keep the steering wheel at the same angle and start driving forward, it will rub for an instant when I start moving but then stop. Maybe somehow the wheel is moving ever so slightly closer to the front when reversing? Looks-wise I am VERY happy. I had read on some of the forums that Conti DWs ran narrower than other brands, and was a little worried. But now that they are on the car, they look really nice and beefy! They line up with the lip of the tire well too, don't look stretched at all. I actually decided on 245 instead of 235 in the front because I really wanted to avoid an over-stretched look, but seeing them now I bet it would have looked fine with the 235s. That said I am VERY happy with the 245s. All in all, extremely pleased, and got a great deal on the wheels through an Apex group buy. I did not go into this wheel/tire hunt looking for an especially aggressive fitment, but ended up with some pretty wide tires up front (at least for a daily driver with very limited suspension mods). If there had been ARC-8s in an 8.5 that were concave (even just profile 2 vs profile 3) I would likely have done that, but I had to go 9" to get concave at all 4 corners. And I am very happy with them! Here are some potato pics I snagged tonight, can try to get some better/daylight shots if there's interest. Thanks again for the advice, all! View post on imgur.com View post on imgur.com View post on imgur.com
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