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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Wheels and Tires Forum Sponsored by The Tire Rack > A lot of balancing weights - is this normal???



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      10-26-2016, 04:04 PM   #1
suntanlinus
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A lot of balancing weights - is this normal???

I got new tires installed today on my 335is 19" 313 wheels - Conti DWS06s. They have several balance weights on two of the wheels and about 2 on the other 2 wheels. I can see them clearly from a distance and was wondering if that many weights is normal? I'll take some pictures.
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      10-26-2016, 04:12 PM   #2
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Things to consider are:

1. Bent wheels
2. Workers competency level
3. Faulty equipment (old, out of calibration, etc.)

I personally watch the guy balance the tires every time to
a) make sure they don't scratch the wheels, especially around the center bore and
b) to make sure the guy is balancing the wheels properly and placing the weights at the right location

Keep in mind that a lot of these shops hire almost anybody to this work. So you must watch what they are doing. Usually I can tell the guys competency level just by the way he holds the tire.

In your case I am leaning towards bent wheels, especially that it's two (probably pot hole damage from the same side of the car)
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      10-26-2016, 10:29 PM   #3
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I had two tires put on today since I hit a major pothole and destroyed my other tires. They put 7 weights on one and six on the other.

I'm curious to hear more responses as well.
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      10-26-2016, 10:30 PM   #4
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I hadn't noticed any damage to the wheels prior to installation so a little confused
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      10-27-2016, 10:35 AM   #5
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Road Force numbers are way more important than the amount of weight put on a wheel.
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      10-27-2016, 12:04 PM   #6
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Quote:
Originally Posted by FCobra94 View Post
Road Force numbers are way more important than the amount of weight put on a wheel.
Can you explain what that means? Are you saying that road force balancing provides more accurate data which may result in less weights?
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      10-28-2016, 06:33 PM   #7
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IIRC, each wheel weight is 1/4 ounce each. 4 - 6 ounces is an acceptable amount i believe, especially if you have tpms. if you only have 2 pieces of the 1/4 ounce blocks, that's only 1/2 ounce of wheel weights added for balancing. that's really good.

tire rack's site states: How many wheel weights are too many?

While there is no industry standard, the general consensus of what is too much weight is when it takes more than 1% of the assembly weight to bring it into balance.

More here - http://blog.tirerack.com/blog/make-d...-are-too-many-
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