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

[Mystikal]

Hm by bead to bead that would be measuring the inside of the rim right?

I measured with the tires on. Used a wheel measuring tool (we use it on motorcycle wheels) and measured the outside face of the rim to the inside face of the rim (the part right below the lip).

Is that right? I measured my Dforce rims the same way and they measured 15x7

EDIT: snapped these when i test fitted the wheels, does this shed some light at all? sorry for the crapload of questions.

If you're measuring from outside edge to outside edge as it appears, then yes there's 1-1.5" of width that you shouldn't be counting.

Googling shows RS189s are 15x6 +38. Do these have aftermarket lips added?

[dhcg86]

225/45 may rub even with a fender roll. 215/45 would not. 225/50 does not fit. 205/50 has by far the best tire choices and will definitely fit.

I can suggest tires, what do you do with the car?

I just drive it quickly and take turns fast and soon m30 swap and prolly turbo in next year

[TrippinBimmer]

I have some e38 wheels 16x8

What offset I need and Tire size for FLUSH fitment :D

[randomsv650]

If you're measuring from outside edge to outside edge as it appears, then yes there's 1-1.5" of width that you shouldn't be counting.

Googling shows RS189s are 15x6 +38. Do these have aftermarket lips added?

Bought them from a kid who had the refinished at some point so im not sure. they deff look wider than other RS189's I've seen

So I deff measured wrong, finally was schooled on how to properly measure rim width by my old man

You were spot on, so thanks! My measurements were generous so they must be 6.5 and 7.5

[alpineII_dirty]

Busting a mission to find 215/45/16 sized tires, any idea to look? 16x8 +20 all around...225 would I need to roll fenders?

[Mystikal]

I just drive it quickly and take turns fast and soon m30 swap and prolly turbo in next year

Uh huh. Okay, 215/45 Kumho XS. For cheap, 205/50 Falken ZE912.

[Mystikal]

I have some e38 wheels 16x8

What offset I need and Tire size for FLUSH fitment :D

Need way more info. Redrill, 5-lug swap, if 5-lug E30 or E36 parts, year of E30, suspension setup...

[Mystikal]

Bought them from a kid who had the refinished at some point so im not sure. they deff look wider than other RS189's I've seen

So I deff measured wrong, finally was schooled on how to properly measure rim width by my old man

You were spot on, so thanks! My measurements were generous so they must be 6.5 and 7.5

Good stuff. Okay, so they're now:

15x6.5 +38
15x7.5 +25

Buy 15-20mm front spacers and extended bolts. 205/55 front 225/50 rear. You can run nice big fat tires with those offsets and no rear spacers.

[Mystikal]

Busting a mission to find 215/45/16 sized tires, any idea to look? 16x8 +20 all around...225 would I need to roll fenders?

http://www.discounttiredirect.com/direct/initTireSizes.do

I think everyone reading this should buy tires from the above. Free shipping for the 48 and the best pricing and brands.

225/45s would require fender rolling, yes. If the 215s are too expensive or not what you're looking for just get some great 205/50s.

[randomsv650]

Good stuff. Okay, so they're now:

15x6.5 +38
15x7.5 +25

Buy 15-20mm front spacers and extended bolts. 205/55 front 225/50 rear. You can run nice big fat tires with those offsets and no rear spacers.

Awesome!!! Thanks so much man, big help. Wheels make my head spin

[hooken m]

i would love to find a staggered set of 16's that clear e36 m3 brakes for a 5 lugged vert that dont cost more than what i paid for my car

[bmw325csi]

Jay, got some 15x8 et 25 wheels. They currently have 195-50 but that's way undersized for my taste.

I plan on running 10-15 mm spacers. What the biggest tire I can run with?

Btw, car is on coilovers and I plan on lowering to the point of just covering the top of my tires.

Thanks.

[TrippinBimmer]

Need way more info. Redrill, 5-lug swap, if 5-lug E30 or E36 parts, year of E30, suspension setup...

I will be running adapters 4x100 to 5x120. Late Model e30 and Drop lowest I can...

[CRH_E30]

What size spacers will I need to run 16x8 Style 5's on a 87' IS, 2" drop springs. They are drilled/filled.

[bubbajan21]

I'm looking at APEX ARC-8's for my late model E30 with E30 M3 5-lug. I have no problem with fender rolling and pulling as needed or spacers. The options are 17x8 et20 or 17x8.5 et20. I know I can fit the 17x8 et20 with 235/40 17 without issues. My questions are:

1: Can I fit 17x8.5's front and rear with 245/40/17's front and rear?
2: If not, can I fit 17x8.5's front and rear with 235/40/17?
3: How about 17x8 in front with 235/40/17 and 17x8.5 in the rear with 245/40/17

Thanks in advance!