ASK ALL WHEEL/TIRE FITMENT QUESTIONS HERE - The Official Wheel/Tire Fitment Thread

[Mystikal]

I'm on the market for some Diamond Racing Steelies 15x8. However, I have a few questions before making the final purchase. The wheels I'm looking at will be 15x8all around, what will be an ideal offset without the need of any spacers in order to fit these vheels properly on my '89 E30 Convertible. Additionally I will be running 205/40 tire size. I'm sure I will have to roll the fenders. Let me know what you guys think as I want to fit these wheels without the need of spacers. I also understand that I will need a particular set of bolts as our wheels are hubcentric as opposed to these wheels which are lugcentric.

Search the forum for diamond racing info. They come in specific offsets and you need certain spacers and bolts for everything to work.

[Mystikal]

Searched thru a bunch of pages in this thread- pretty sure the answer is "YES", but before I pull the trigger:

Looking to pick up a nearly-new set of TRM-C1's from another forum member who is going to bigger brakes that won't fit under 15's:

TRM-C1
15x8 ET20

Car is a '90 325i with Bilstein Sports and H&R Sport Springs. Will these wheels work with 205/50 or 205/55 without rolling lips or spacers? Appears that they will. Planning on adding IE sways in the future.

Thanks

Swen

Yes, that fits fine.

[Mystikal]

Okay I never ever bought wheels for any of my cars. Always used the stock ones. I have 1991 318is and the wheel fitment is 14x6.5", ET30. Looking to get a pair after its paintjob but I just know nothing about besides the name is called BBS RS style.
-Yes I know please excuse my noobieness

What do I need to know If I want to get some BBS RS style rims like these regarding fitment/spacers or anything relevant..

Every answer you could possibly need is covered in this thread.

[v8fc3s]

I am looking at a set of rims which come in a small variation of sizes, They are offered in:
15x8 et0
15x8 et20
16x8 et0
16x8 et20

I am pretty set on doing a staggered setup (in terms of offsets), I am just unsure of whether to run 15's or 16's. I have seen both sizes run on different cars and Some seem too small, some too large, and others just right. For visual aids, they are xxr 532's (yes yes buy something else, yada yada yada). I feel like they might look a little better with a chunkier tire, but I'm not sure exactly how chunky Im willing to go exactly. Opinions?

P.S. I am maxed out on Racelands. Car is low but nothing too crazy

[v8fc3s]

OK, so I just did some simple math and I am pretty set on 16's. My fender sits about 23.75 inches off the ground. With a 16 inch rim, that leaves me room for about a 4 inch tire profile all around (with a decent stretch and a correct profile i can pull it off). also, since i am maxed out, i would rather have to raise it a tad than have to lower it and not be able to. lol, with that being said... tire suggestions for 16x8 et20 and et0?

[Mystikal]

I am looking at a set of rims which come in a small variation of sizes, They are offered in:
15x8 et0
15x8 et20
16x8 et0
16x8 et20

I am pretty set on doing a staggered setup (in terms of offsets), I am just unsure of whether to run 15's or 16's. I have seen both sizes run on different cars and Some seem too small, some too large, and others just right. For visual aids, they are xxr 532's (yes yes buy something else, yada yada yada). I feel like they might look a little better with a chunkier tire, but I'm not sure exactly how chunky Im willing to go exactly. Opinions?

P.S. I am maxed out on Racelands. Car is low but nothing too crazy

Run the staggered offsets with 10-12mm front spacers to even out the fitment. 195/50/15 or 195/45/16 all around. Rolled rear fenders.

[v8fc3s]

Thanks :)

[Vtec?lol]

I'm trying to go as wide but stock as possible in tire sizes.
e36m3 5 lug
16x8 et 23 wheels

Stock height with maybe an inch or two lower all around in the future.
What would be a good size without fender rolling?

[Mystikal]

i'm trying to go as wide but stock as possible in tire sizes.
E36m3 5 lug
16x8 et 23 wheels

stock height with maybe an inch or two lower all around in the future.
What would be a good size without fender rolling?

205/45/16 will fit for sure without rolling. I'm thinking anything wider/taller will require a roll.

[bearclaw18]

im looking to buy miglias with 38 offset and i found two 15mm spacers and 2 20mm spacers for a good price. can i run both of these even tho they are different sizes?

[alpineII_dirty]

Thinking about getting a set of wheels 16x7.5 with +20 offset all around, anyway I can run 225 or 215 all around? Or what are your suggestions? Currently sitting on JOM, rear maxed out

[Vtec?lol]

205/45/16 will fit for sure without rolling. I'm thinking anything wider/taller will require a roll.

Good shit.
Thank you for a quick response!

[Mystikal]

im looking to buy miglias with 38 offset and i found two 15mm spacers and 2 20mm spacers for a good price. can i run both of these even tho they are different sizes?

Yeah, that's actually closer to ideal (put the 20s on the rears).

[Mystikal]

Thinking about getting a set of wheels 16x7.5 with +20 offset all around, anyway I can run 225 or 215 all around? Or what are your suggestions? Currently sitting on JOM, rear maxed out

Yes, 215/45 or 225/45 all around fits.

[Insomniac912]

I have a set of 4 Borbet A's 16x9 ET15 that require some fresh rubber. What would be my best option for driving around on NJ's shitty roads? Appreciate your expertise.