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Old 06-01-2007, 05:51 PM   #451
Mystikal
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Quote:
Originally Posted by static
perhaps you change your opinion when it pours and you are on highway
Jay, have you tried rt615s ? how do they compare?
Not even, they went way overboard. With the size of those gaps, you can do 180km/h at the wear bars and still not hydroplane. And besides these are supposed to be max performance tires, that much void area is for pedestrian crap.

RT-615's are way more fun. The sidewall is like steel, and overall they tell you a lot more of what the car is doing. They also have MUCH better accel/braking traction. I just wish they made them in E30-correct aspect ratios in 14 or 15. If I were in your shoes, I'd go for 215/45/16 RT-615's in a heartbeat.

-Jay
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Old 06-01-2007, 08:36 PM   #452
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hm, you sound very convincing! esspecially that i won't have to roll fenders for those.
Do they wear about the same as the rs2s? (i am not a very aggressive driver as you know)
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Old 06-02-2007, 09:38 AM   #453
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They actually wear less under hard driving. Overall they're comparable.

-Jay
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Old 06-02-2007, 12:58 PM   #454
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how will these fit on my car?

'88 iX, h&r sport, koni yellows

what kind of rim/tire size and offset should i look for with an iX? id like to run 16-17's, and i dont mind stretched rubber, as long as its not excessive.
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Old 06-05-2007, 12:40 PM   #455
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Originally Posted by FuryriderX
how will these fit on my car?

'88 iX, h&r sport, koni yellows

what kind of rim/tire size and offset should i look for with an iX? id like to run 16-17's, and i dont mind stretched rubber, as long as its not excessive.
They will fit without spacers, but they will be fairly sunken into the fenders and not look that great at all. Those are also really overpriced, BSA wheels are extremely cheap.

For an iX, you basically take RWD fitment and numerically "add" 6-7mm to the offset. So the same way an ET20 wheel will fit on an iS, an ET26/27 wheel will fit on an iX. For tire size it depends on the offset, but 205/50/16 and 205/45/17 are definite fitments. Wider depends on what wheel you find.

-Jay
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Old 06-08-2007, 06:03 AM   #456
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Quote:
Originally Posted by moock
hi all. great thread!

i'm running 15x7 Kazera KZ-M rims on my 1988 325e. i'd like to put either 205/50/r15 or 225/50/r15 on it. i'll be using the tires mostly on the street, and once a month at autoX driving school, which i'm starting this year.

tires i'm considering:
Falken Azenis RT-615
Michelin Pilot Exalto PE2

questions:
1) what are the pros and cons of going with a wider tire (the 225)?

2) is it true that the 225 will handle better than the 205?

3) is it true that 225/50/r15 will definitely fit a 15x7 rim without rubbing (no fender rolling required)?


thanks!
colin
just a follow up: i went with the RT-615s on Kazera KZ-M rims, and i _love_ them. thought i'd post a pic...

kazerasmounted.jpg

if you want to see lots more pics and my research (including a quote from jay!), visit: http://www.moock.org/e30/wheels/
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Old 06-08-2007, 08:45 AM   #457
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17x8 ET 32, 235/40/17 RT-615. I'm pretty sure it will fit, need confirmation.
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Old 06-08-2007, 10:36 AM   #458
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if you want to see lots more pics and my research (including a quote from jay!), visit: http://www.moock.org/e30/wheels/
Thanks for the shoutout! Just for reference, 205/50/15 actually isn't a correct E30 size, it's slightly undersized. The correct 15" diameters are 205/55/15 and 225/50/15.

Glad you like those tires, they are my personal favourites!

-Jay
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Old 06-08-2007, 10:38 AM   #459
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17x8 ET 32, 235/40/17 RT-615. I'm pretty sure it will fit, need confirmation.
Let me guess: Rota Boost?

I came close to ordering those last year. They should just barely clear, you might need a 3mm on the fronts (I can get you a pair for $20 if need be). Likely won't even need to roll the fenders, either.

-Jay
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Old 06-08-2007, 10:43 AM   #460
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Good guess. These will be for the M30 beast (once it's done). Possibility of 255's in the back? I probably won't do it, you know damn well how much I love oversteer, but it's nice to have the option if i can't put the power down. Early arch car + 6-700 # linear springs.
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Old 06-08-2007, 10:52 AM   #461
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They'll fit with rolling. Jordan pulled it off, very similar wheel geometry. But 255 + 8" wheel = slightly vague rear end. Not exactly what you want with 300+rwhp.

-Jay
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Old 06-08-2007, 12:04 PM   #462
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Yeah, figured as much. At that point I'll be done school and have money to drop on 5 lug or custom wheels.
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Old 06-12-2007, 02:31 AM   #463
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hey guys/jay,

my question is regarding tires.

so i picked up a set of 16x8 et20 rota slips. (i know they're not the most popular but they're ok to me.)

anyways i took a look on tirerack.com and saw two sets of 215/40/16s. BFgoodrich g-Force Sport and a set of kumho Ecsta SPT at 90 bucks a piece. i figured that's not too bad.

i was just looking for some comments about the size in comparison to the wheels, fitting and quality and pricing of the tires. can these be bad here north of the border for that similar price and where?

i know 225/45/16s are probably the way to go but was just wondering about the 215s.

1 more thing. might be a dumb question but what does the "R" stand for in 225/45/R16.

Thanks guys,
Willy
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Old 06-12-2007, 07:48 AM   #464
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with 225's you'd need to roll the fenders. trust me im running them right now on the same wheels.
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Old 06-12-2007, 09:25 AM   #465
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215/40 G-force sports or 215/45 Falken RT-615 are probably the two best tires out there for less than $100.
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