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Old 07-01-2005, 08:56 PM   #61
M50E30
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Acidblast,

Those wheels are 5 X 120. If they offer that wheel in a 4 X 100 bolt pattern then I would guess that they will come in a high +40-42mm offset (for FWD cars). You could make them fit with wheels spacers and convert your hubs to HIGH GRADE studs (ie: ARP Grade 8 wheel studs).

Now if you decide to go that route then I suggest you call up AMI Motorsports and get the Type A hubcentric spacers and also ask for the centerbore of the wheel so you can get centering rings (about $8 for all four and will help eliminate vibration).

Centering Rings
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Old 07-03-2005, 09:18 AM   #62
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Yes they do offer the ADR M-classics in 4x100 with a offset of 45.

On a side note what are High Grade studs? Are they just the bolts that hold the wheel in place? By the way does anyone know of any shops that carries these in Toronto?
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Old 07-03-2005, 01:51 PM   #63
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Get the 7.5" ones, buy 25mm hub adaptors (http://www.amimotorsports.com/fkspacer.htm, the Type B spacer), and live happily ever after.
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Old 07-03-2005, 02:24 PM   #64
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thanks for your help Mystikal and M50E30. I am emailing ADR for the exact specs on the wheels, offset, and centrebore. What size tire do you recommend? 215/40/17?
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Old 07-03-2005, 09:26 PM   #65
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Quote:
Originally Posted by Acidblast
thanks for your help Mystikal and M50E30. I am emailing ADR for the exact specs on the wheels, offset, and centrebore. What size tire do you recommend? 215/40/17?
Just call a local shop that sell ADR wheels. You will get an answer alot faster.
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Old 07-12-2005, 05:30 PM   #66
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http://www.1010tires.com/WheelOffsetCalculator.asp

Link to calculate offset on replacement wheels, shows difference in inside and outside edge protrusion towards strut / fender.

Rod
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Old 07-19-2005, 05:00 PM   #67
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I'm planning on using my BBS RG-R wheels from my MCS on an e30. They're 17x7 ET38 and I have ordered the correct hub adapter from BBS for their "Perfect Fit System". I am looking at H&R 15mm hub centric spacers and longer bolts to bring the offset into check at ET23.

Based on this setup using an Eibach Pro Kit on a late model e30, what would be the most ideal tire size, a 205/40/17 or a 215/40/17?

TIA,
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Old 07-19-2005, 09:26 PM   #68
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Quote:
Originally Posted by M3ntal Kev
I am looking at H&R 15mm hub centric spacers and longer bolts to bring the offset into check at ET23.

Based on this setup using an Eibach Pro Kit on a late model e30, what would be the most ideal tire size, a 205/40/17 or a 215/40/17?
Kev,

AMI Motorsports carry hubcentric spacers in stock. And if I were you I would do a stud conversion......get high grade wheel studs from ARP. I have yet to see a high quality long wheel bolt that will come even close to ARP's wheel studs.

As for tire size.......215/40/17.

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Old 07-27-2005, 09:58 PM   #69
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EDIT: My apologies if this post is not in line with the thread. Please delete it if you wish.

I thought you might want to see the results.

BBS RG-R wheels
17x7 ET38 (15mm spacers to yeild ET23)
205/45/17 Yokes (to be replaced shortly with 215/40/17 Azenis RT615)






Last edited by M3ntal Kev; 07-27-2005 at 10:48 PM.
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Old 07-29-2005, 03:09 PM   #70
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Looks awesome Kev, and the RT-615's are the perfect choice.

Probably the best 4-lug wheels on an E30 in Toronto.
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Old 07-29-2005, 08:55 PM   #71
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Kev, what are you doing with the old basket weaves? If you are selling them please let me know
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Old 07-29-2005, 09:24 PM   #72
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Quote:
Originally Posted by Axxe
Kev, what are you doing with the old basket weaves? If you are selling them please let me know
Wait a couple of weeks; they may become available if I can trade my 17" MCS stock snows for my buddy's 16" snows, I won't have a need for the basket weaves.

If you want e30 M3 5-bolt 15x7 basket weaves, let me know because those are "in stock".
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Old 09-12-2005, 12:55 PM   #73
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Quote:
Originally Posted by Mystikal
Okay, this thread will be dedicated to answering all questions E30-related about wheel sizing, geometry, and the accompanying tires. Of course this is to be used only as a rough guide, maXbimmer holds no responsibilty if you cram a tire into a fender.

To start, here are very informative Tirerack links explaining common terms:

Centrebore

Offset

Bolt Pattern

For tire sizing, RWD E30s used two different rolling diameters, 195/60/14 and 195/65/14. The larger 195/65 was used on plastic bumper cars, but that diameter will fit just fine on all models, and provide a more accurate speedometer (they all read quite high stock). Notice I say diameter, meaning that for all upgrade purposes compare the new tire size with 195/65/14. All of the 325iX models used 205/55/15 tires. To calculate accurate upgrade sizes, look at this link:

Miata.net Tire Size Calculator

Factory wheel specs:
14" Bottlecaps: 14x6", ET33 (all non-iS non-iX cars, basically)
14" Basketweaves: 14x6.5", ET30 (all iS cars and some eS cars)
15" Basketweaves (iX): 15x7", ET41 (all 325iX models)
15" Basketweaves (Euro-only): 15x7" ET24 (option on European cars)

Now, this thread is open to all questions regarding fitment of wheels/tires. Discussion of "what tire should I buy?" or "what colour should I spray paint my 18 year old bottlecaps" will be deleted or otherwise moved from the thread. Fitment questions only. Note: answers may include tire recommendations in that particular size, but please no direct questions regarding tire choice.
I wanted to know whats the largest size tire you can put on an e30 1991... I am asking this because I might be sponsored by fast wheels during shows...so I was thinking of putting on the Techno model in 18in or an 19 inch wheel not sure what and what tire size is recommended? My car is lowered with racing dynamic springs 1.75 drop.... and how wide can I go?
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Old 09-12-2005, 07:04 PM   #74
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Quote:
Originally Posted by epabillo
I wanted to know whats the largest size tire you can put on an e30 1991... I am asking this because I might be sponsored by fast wheels during shows...so I was thinking of putting on the Techno model in 18in or an 19 inch wheel not sure what and what tire size is recommended? My car is lowered with racing dynamic springs 1.75 drop.... and how wide can I go?
Largest diameter, or largest width?

You can fit 19's easy, with 215/35/19 tires. Most ricer 19's are only like 7.5" wide anyways, so you'll be fine with the 215's if you keep the offset between ET20 and ET30 (you can run a very high offset with 19's due to the angle of the front strut).

For wide, well, there just about are no wide 19" 4x100 wheels. But 8" wide with 235's is about as much as will fit under stock fenders, if you pull them you can jam 245's on 8.5" wheels and up depending on how crazy you get.
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Old 09-12-2005, 07:13 PM   #75
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Quote:
Originally Posted by Mystikal
Largest diameter, or largest width?

You can fit 19's easy, with 215/35/19 tires. Most ricer 19's are only like 7.5" wide anyways, so you'll be fine with the 215's if you keep the offset between ET20 and ET30 (you can run a very high offset with 19's due to the angle of the front strut).

For wide, well, there just about are no wide 19" 4x100 wheels. But 8" wide with 235's is about as much as will fit under stock fenders, if you pull them you can jam 245's on 8.5" wheels and up depending on how crazy you get.
Thanks for the quick reply...what tires/rims specs are you running....? Thats your red e30 right? What would you suggest to put on an e30 for show and drive ok...?
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