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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Name that Tune



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      05-28-2017, 12:38 AM   #1
Banana Clipper
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Name that Tune

Guesses as to the cause of this noise?

ONLY comes from front left wheel area and is related to wheel speed. Sound is heard approximately once every rotation regardless of speed or whether or not the brake pedal is pressed.

Tie rod is blown/broken but not rubbing anything. Spray water on that wheel makes the noise go away for a bit.



Instincts tell me its the wheel bearing... your thoughts?
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      05-28-2017, 04:11 AM   #2
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Where do you spray the water to hush it?
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      05-28-2017, 12:28 PM   #3
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Quote:
Originally Posted by juld0zer View Post
Where do you spray the water to hush it?
I just take the hose from my yard and spray the entire wheel well down so I couldnt tell you a specific part.
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      05-28-2017, 02:18 PM   #4
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Inspect the brake dust shield and make sure isn't rubbing on the rotor.
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      05-28-2017, 02:43 PM   #5
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Quote:
Originally Posted by feuer View Post
Inspect the brake dust shield and make sure isn't rubbing on the rotor.
Thanks dude, just gave that a try and same thing unfortunately.

Not sure if this helps but on my way back from Sonoma raceway, probably a few days before I started noticing this sound, I ran over a plastic grocery bag and didnt see it come out the back...possibly it got caught up in the bearing some how?

I already ordered the hubs for the front, Im sure it couldnt hurt to replace them at 80k miles, hopefully that will fix the noise. I know its not the traditional 'whining' of a bad bearing but it only happens with the weight of the car on the wheel and not when I jack the car up off the ground.

Still open to any other guesses/opinions if you have them.

Thanks again everyone for your help so far.
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      06-16-2017, 11:50 AM   #6
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Brining this one back. The sound is still there after replacing the wheel hubs. The only other parts I know for sure are worn are the end links, which are coming today I believe, but other than that no other worn parts that Im aware of. However, the sound is much more distinguishable now that the hubs were replaced. I can tell now that it is a rubber squishing sound that happens once every rotation but ONLY when the car is on the ground.... cant think of any part, besides the end links, that has rubber and is effected by load some how.

Does anyone think its possible the end link is making this noise even though its EXACTLY once per tire rotation? Any other parts you can think of that are rubber and move with the rotation of the tire? I was thinking the steering rack boot but I dont believe that rotates since its connected to the knuckle
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      06-16-2017, 12:02 PM   #7
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Quote:
Originally Posted by Banana Clipper View Post
Brining this one back. The sound is still there after replacing the wheel hubs. The only other parts I know for sure are worn are the end links, which are coming today I believe, but other than that no other worn parts that Im aware of. However, the sound is much more distinguishable now that the hubs were replaced. I can tell now that it is a rubber squishing sound that happens once every rotation but ONLY when the car is on the ground.... cant think of any part, besides the end links, that has rubber and is effected by load some how.

Does anyone think its possible the end link is making this noise even though its EXACTLY once per tire rotation? Any other parts you can think of that are rubber and move with the rotation of the tire? I was thinking the steering rack boot but I dont believe that rotates since its connected to the knuckle
Do you have rubber marks on your springs/spring perch?

Basically, is your tire rubbing on the strut/spring? Might need a spacer or to raise the spring perch up a bit...
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      06-16-2017, 12:05 PM   #8
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Quote:
Originally Posted by bbnks2 View Post
Do you have rubber marks on your springs/spring perch?

Basically, is your tire rubbing on the strut/spring? Might need a spacer or to raise the spring perch up a bit...
No marks but i am about a credit card gap away from the perch and that would make sense. Already running a 5mm spacer. Shorter springs should be arriving soon too.

That makes sense, we'll see if the shorter springs help... pray to god thats all it is.
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