houbmw

I have a 2007 530i sport. I took off the stock rims and tires and bought used 20" miro time attack m6 replicas staggered from Eurorev 18 months back. I also got Eurorev to put on brand new falken 452's and TPMS on each rims.I installed the wheels and I had bad vibration issues. So I did some research and found that I was missing the hubcentric rings...I got those installed and the vibration was still there. Then I got a RoadForce alignment done and got the wheels balanced at 3 different NTB's, Discount Tire etc.

The vibration only happens at around 55-80 mph. Now, all the tire experts said that the tires could be the only thing wrong...considering that I already tried Hubcentric Rings, alignment, and balance...what the hell should I do? Its time to buy new tires now...but I am kind of hesitant about buying new tires for these Miros and I just want to put my stock rims back on.

Any advice? Could brand new tires really be bad?

I mean right now, the front tires have enough tread on them but the rears are bald. I am about to buy some 285 Yokohoma S Drive tires for the rear but I rather just buy some runflats and put my old wheels back. The vibration as of right now is drivable, but not for a $60k car.

Also, keep in mind that my car looks sick with the miros...it looks bland with the stock wheels.



Thanks in advance for the advice brothers.

525iEnjoy

I dont think there is a solution when trying to mount a 74.1 hub onto a 72.5. Why vendors sell these setup is news to me. The one thing that it could be is that rims are bent, take the rims to a wheel repair and have them test the rims. Or Try Hub adapter spacers, Sorry man, you have covered all the other bases .

Anzafin

It might be that the tires aren't completely round. That wouldn't be a rare incident.

Usually it helps when you rotate every tire 180° on every wheel and then rebalance the wheels. It may be that the "high spot" of the tire has settled on the "high spot" of the wheel, and that kind of unroundess can't be balanced away. Rotating the tire on wheel will settle the "high spot" of the tire on a different place on the wheel. As long as you don't know which wheel is the problematic one (assuming the problem is this), you have to rotate every tire.

Helped me once .

- Antti -


edit:

Taken from www.carbibles.com:
"As well as not being able to manufacture perfectly weighted tyres, it's also nearly impossible to make a tyre which is perfectly circular. By perfectly circular, I mean down to some nauseating number of decimal places. Again, you'd be hard pushed to actually be able to tell that a tyre wasn't round without specialist equipment. Every tyre has a high and a low spot, the difference of which is called radial runout. Using sophisticated computer analysis, tyre manufacturers spin each tyre and look for the 'wobble' in the tyre at certain RPMs. It's all about harmonic frequency (you know - the frequency at which something vibrates, like the Tacoma Narrows bridge collapse). Where the first harmonic curve from the tyre wobble hits its high point, that's where the tyre's high spot is. Manufacturers typically mark this point with a red dot on the tyre sidewall, although again, some tyres have no marks, and others use different colours. This is called the uniformity mark. Correspondingly, most wheel rims are also not 100% circular, and will have a notch or a dimple stamped into the wheel rim somewhere indicating their low point. It makes sense then, that the high point of the tyre should be matched with the low point of the wheel rim to balance out the radial runout."

--> So, if the high and low spots are marked on a tire AND the wheel, then a sketchy rotating (that 180° I mentioned) is unnecessary, and the tire can be fixed exactly on right location on the wheel.

I'm not sayin this IS the problem, but before you go and spend more money on new rims or tires, at least you should try this. I think .

toyota2bmw

Since you purchased the wheels used, are you sure that they are not bent anywhere? Vibration at highway speeds usually means (9 times out of 10) the wheels are out of balance. You should take it to a reputable shop to get them balanced again. I go to a shop in San Gabriel (Tire Central) to get all my tires. You can Yelp Tire Central and see that they are a hidden gem when it comes to tires. Ask for Don.

525iEnjoy

He's in Texas! lol

Persian_535i

yeah when I got mine installed they vibrated like crazy, they were in such a rush to mount all 4 wheels that the jackass balanced them way off. Had to take it back where they told me it wasn't balanced properly, make sure thats not the issue first... as far as the rim being bent ugh gl with that hopefully the guy didn't screw you.

525iEnjoy

If you do have the rims checked out and they're not bent or outta round then invest in a set of these

toyota2bmw

Doh! My bad. When I read EuroRev, I automatically thought is was in SoCal.

PraiseTheLowered

thats not true at all, hub rings work fine and ive used them plenty of times

the tires could be at fault or the wheel could be bent. The other issue is put your stocks back on if you have them and see if the vibration is still there.

koanga

you checked the disk brakes ?