550I

2008 BMW 545i

Tiny

alikalkan2003

November, 30, 2010 AT 11:24 AM

I have a 2008 BMW 550i and I have new rims and tires from Tire Rack. The tire pressures are set properly. Between 40 and 60 mph there is a reverberating moaning noise almost like going over rumbling strips. Please help!

9 Answers

Tiny

fixitmr

November, 30, 2010 AT 11:41 AM

Have someone follow on multilane road and check out tire/wheel from both sides of car. If something funny is going on, it will show up as wobble or bounce pattern. Google complaints about tire rack.

Tiny

Dr. Hagerty

November, 30, 2010 AT 3:14 PM

What brand of tire did you install on the vehicle? Some tires have a tendency to be quite noisy. Tires with certain tread patterns are more susceptible to this possibility.

Tiny

alikalkan2003

November, 30, 2010 AT 4:11 PM

I use Michelin original size and speed rating.

Tiny

Dr. Hagerty

November, 30, 2010 AT 6:14 PM

Was the noise present with the original tires?

Tiny

alikalkan2003

December, 1, 2010 AT 3:16 AM

Yes it was. Do you think it could be front wheel bearings?

Tiny

Dr. Hagerty

December, 1, 2010 AT 5:19 AM

If the noise was present with the original tires, what about that is different with your new tires?

Tiny

fixitmr

December, 1, 2010 AT 8:42 PM

Very possibly could be front wheel bearing(s). They usually produce a sound like you describe. Generally speaking, when you turn the wheel sharply the sound should change or disappear momentarily. Especially if 1 bearing is bad or worse than the other side.

Tiny

alikalkan2003

December, 1, 2010 AT 11:27 PM

Yes, the sound does disappear momentarily when I turn the wheel sharply. Now, how do I figure out which one it is? Thanks!

Tiny

Dr. Hagerty

December, 1, 2010 AT 11:43 PM

If the sounds from the front are when the wheel is turned to the right, it is likely the right bearing. Lifting the car to allow the wheels to spin would be another way.

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