I Want Wheels - BMW Forum - BimmerWerkz.com
3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

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#1 (permalink) Old 08-03-2006, 08:58 PM
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I Want Wheels

Anyone know whats the widest wheel/tire that will fit on an E30 is?

I'm thinkin like 16x7.5 and 16x8. Maybe 245/40s in the back and 225/50s in the front?

I love the wide tire look on cars, and the whole traction thing that my car has none of right now. Its also lowered 1.6 inches, if that makes a difference...

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#2 (permalink) Old 08-03-2006, 09:05 PM
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From what I have read, there is no way that 245 will fit on the rear even if you "roll the fenders" I think 225 is about the limit (without rolling the fenders), and even that will depend on what kind of tires you get, because, as you know, one 225 tire is not necessarily the same as another 225.

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#3 (permalink) Old 08-03-2006, 09:12 PM
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Hmmm... So what about the front?

It seems like there is more than enough room for 225s on the back. There is atleast an inch to the fender and i assume some more room inbetween the shock and the tire.

But i believe you

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#4 (permalink) Old 08-03-2006, 09:33 PM
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I have 16 X 7.5 4-lug M-contour rims on my car, when I had 205/55 R16 they slighty rubbed the plastic when I turned and hit a bump or went up a hill. Now I have a set of 215/50 R16 and they don't rub at all. Anything lower profile and I'll loose rideability, pluss they are very $$$. With any rim you get the size of the tire you can go with depends greatly on the off-set of the rim more than anything.
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#5 (permalink) Old 08-03-2006, 09:57 PM
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So what would be the ideal offset / wheel size?

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#6 (permalink) Old 08-03-2006, 10:40 PM
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my 215/45/17's run perfectly without rubbing

im running general UHP's. great tire.. soft sidewall so it doesnt punish, but pretty sticky considering its long tread life.


they are on 17x7's , im pretty sure they are 25 offset. it should accomodate 225's without rubbing.. in the rear i'd reckon more, but i havent tested it.

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#7 (permalink) Old 08-03-2006, 11:00 PM
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Quote:
Originally Posted by Starmavin
I have 16 X 7.5 4-lug M-contour rims on my car, when I had 205/55 R16 they slighty rubbed the plastic when I turned and hit a bump or went up a hill. Now I have a set of 215/50 R16 and they don't rub at all. Anything lower profile and I'll loose rideability, pluss they are very $$$. With any rim you get the size of the tire you can go with depends greatly on the off-set of the rim more than anything.
You realize that technically a 205/55/16 and a 215/50/16 should be the same overall diamater. The second number in a tire size is not a set hight, its a percentage of side wall height to tread width.

To the orginal poster, what mods do you have to where you think you need a 245 width tire on an e? I've got a decent ammount of power and I dont have any traction issues and I'm only running a 205.
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#8 (permalink) Old 08-03-2006, 11:09 PM
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I dont "need" that wide of a tire, as i said before i like the wide tire look.

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#9 (permalink) Old 08-03-2006, 11:10 PM
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Ok so I just read your car domain page and you have very minor mods. A chip, sligtly lighter flywheel, fresh "e" engine and an air filter should not give you any traction issues with a 205 width tire. I'm not trying to rip on you but I've been working on cars since I was 15 and with BMW's since '99 and been doing it as a full time job for the last 3 years. An E36 M3 with an S52 that has software, intake and exhaust hardly has any traction issues with a 235 width tire and that car has almost 100 more HP than you. I have a feeling that your traction problems are one or a combo of the following, cheep hard tread tires, tire pressure not set right, or poor driving style. I have found that with tires 95% of the time you get what you pay for. You get a cheep tire you get cheep performance out of it.
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#10 (permalink) Old 08-03-2006, 11:13 PM
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Quote:
Originally Posted by JoeMadoo
I dont "need" that wide of a tire, as i said before i like the wide tire look.
Ok well that "look" is going to kill performance. Because you will greatly increase unsprung weight that is also a rotating weight. A basic physics class will greatly change the way you look at car modifications.
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#11 (permalink) Old 08-03-2006, 11:41 PM
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Quote:
Ok so I just read your car domain page and you have very minor mods. A chip, sligtly lighter flywheel, fresh "e" engine and an air filter should not give you any traction issues with a 205 width tire. I'm not trying to rip on you but I've been working on cars since I was 15 and with BMW's since '99 and been doing it as a full time job for the last 3 years. An E36 M3 with an S52 that has software, intake and exhaust hardly has any traction issues with a 235 width tire and that car has almost 100 more HP than you. I have a feeling that your traction problems are one or a combo of the following, cheep hard tread tires, tire pressure not set right, or poor driving style. I have found that with tires 95% of the time you get what you pay for. You get a cheep tire you get cheep performance out of it.
Quote:
Ok well that "look" is going to kill performance. Because you will greatly increase unsprung weight that is also a rotating weight. A basic physics class will greatly change the way you look at car modifications.
I was just looking for an answer than can be found on my original post on the first line. I'm not looking to trade past job experiences, or learn about cars with 100HP more than I have.

Speaking of physics, HP has nothing to do with tirespinning abilities there Mr. Newton.
HP sells cars, Torque moves your car.
My little ES with aprox 200LB/FT of Torque, 3.23 Rear end, and 195 tires, eats first gear alive, and spins quite a bit in second.

BTW, I really am a nice guy...

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Last edited by JoeMadoo; 08-03-2006 at 11:46 PM.
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#12 (permalink) Old 08-04-2006, 12:06 AM
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#13 (permalink) Old 08-04-2006, 12:17 AM
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Haha seriously, todays thursday though...

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#14 (permalink) Old 08-04-2006, 12:33 AM
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doh

Shit, you're right!
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#15 (permalink) Old 08-04-2006, 12:37 AM
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btw

I noticed your sig says you're L-1 certified. Good job, that's a hard ASE to obtain! I have my a-6 a-8 and l-1, did my clean air car course and 2005 update classes and should be doing the smog test to get my license in a couple weeks. Very anxious, since right now I'm changing oil at a Speedy Lube! I also got accepted into the BMW step program at my school (Wyotech). Are you planning on working in the field?
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