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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > 328xi sounds like crap low speeds * vid added



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      06-06-2012, 11:09 AM   #23
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Next time i have a scheduled oil change in about 4k miles i will tell them what i hear, its only when moving not when idleing. i thought it was a flat tire. it sounded like i was rubbing the tire or the tire was super low and rubbing against the ground.

Its still under CPO so if they figure it out i will have them fix. I doubt its anything. Like someone said it could just be the shitty RFT's. You know the dealer will say could "not replicate" the sound as they do for any noise you tell them your hearing.
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      06-06-2012, 11:13 AM   #24
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No worries brother- I would do an Active Autowerke flash tune if I were you- you stand to get the most gains from that. The N52 (328) is pretty well tuned from the factory so don't expect huge gains. Enjoy the car in great health!
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      06-06-2012, 04:43 PM   #25
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video added

Here is a video...just listen closely and about halfway through the noise gets easier to hear. Iphone video but better than nothing.




take a listen.


thanks

Last edited by rbocc13; 06-06-2012 at 04:46 PM. Reason: added a video
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      06-06-2012, 05:06 PM   #26
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Wow, that locomotive sound? Sounds like scalloped tires from a camber issue or something. Have you gotten your tires/ suspension system checked?
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      06-06-2012, 05:42 PM   #27
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Yep thats the sound. Havent had the tires/suspension checked.i had the car in 2 weeks ago for something but not for that. No errors or anything. I got a new tire a month ago and the guy checked the others and just had me replace one because it was ripping on the sidewall.

I will mention it next time i go to bmw, rather not go there again i feel like i live there for stupid small issues. Plus who knows if they will "hear" it or not. they are lazy and prob will say mechanic didnt hear anything and just charge me the $85 diagnostic fee or something.
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      06-06-2012, 05:51 PM   #28
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it seems to coincide with how fast the tires rotate... have you looked underneath for any piece of material scrubbing in the wheel arches or vicinity?

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added a video...

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      06-06-2012, 05:53 PM   #29
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i dont think its anything there since i washed it the other week and didnt see anything but i will go check again...my friend thinks its the axel/suspension/tires
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      06-06-2012, 05:55 PM   #30
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i dont think its anything there since i washed it the other week and didnt see anything but i will go check again...my friend thinks its the axel/suspension/tires
it's not clear in the recording but do you notice some "grinding" sound? if yes, then it could be your axle bearings going south
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      06-06-2012, 06:34 PM   #31
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bad brake rotor on back driver wheel?
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      06-06-2012, 07:19 PM   #32
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bad brake rotor on back driver wheel?
yes, that's possible, as well as worn down brake pads... sounds like you found it
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      06-06-2012, 07:31 PM   #33
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he said get a bmw performance exhaust and youll like your exhaust alot better thread closed lol
I have a PE exhaust on a 328i sedan and you can barely hear it with windows closed.
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      06-06-2012, 09:15 PM   #34
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Quote:
Originally Posted by CanadianDriver View Post
yes, that's possible, as well as worn down brake pads... sounds like you found it
Wouldn't that come up on my idrive... it tells me the rear brakes are good for like 20k more miles or something, as far as rotors i don't think that has an alert.

I have the maintenance plan still as well as the CPO warranty so w/e this is should be covered, its just a matter of if they actually hear it and figure out what needs to be done.
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      06-06-2012, 09:17 PM   #35
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Someone on the site must of had this same issue before
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      06-07-2012, 07:47 AM   #36
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ok even if its 500. you still gain absolutely no power and no weight loss, with a muffler delete, you save at least 20 pounds and if anything is louder.
Completely inaccurate - the stock muffler is heavier, and you do gain a few hp, but the muffler delete is far noisier and introduces drone at highway speeds. The PE only gets loud when you get on the throttle and mellows out at cruise speed.
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      06-07-2012, 08:00 AM   #37
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After listening to your video, it reminded me of my 2003 E46 sedan on Yokohama tires...they made a weird noise like that when worn down (which they did quickly on that car). It's either that or a wheel bearing - but definitely something related to the movement of the wheels.
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      06-07-2012, 08:21 AM   #38
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it sounds like a city bus i tell ya..
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      06-07-2012, 09:31 AM   #39
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Wheel bearings.
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      06-18-2012, 06:20 PM   #40
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so i brought it in, brought the tech on a test drive he heard the sound, he said he had to put it on a lift to check it out more. Then i was told its something with the rear differential. Not sure the fix yet as they still have it. I will post when i get the car back.

Thinking of selling the car while it still has warranty so someone will take it. Its had its fair share of issues in the 17 months of ownership. Not impressed with anything bmw besides the drive but if its always having problems then i cant enjoy the ride.
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      06-21-2012, 07:04 AM   #41
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Rear differential? Plus 3 on the wheel bearings.
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      06-21-2012, 09:02 AM   #42
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Quote:
Originally Posted by Chriztofor View Post
Rear differential? Plus 3 on the wheel bearings.
still have my car i will know exactly the info whenever i get it back... its been there since monday at noon.

not very happy about the amount of time this is taking and lack of communication between dealer and myself
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      06-21-2012, 10:00 AM   #43
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Quote:
Originally Posted by rbocc13

still have my car i will know exactly the info whenever i get it back... its been there since monday at noon.

not very happy about the amount of time this is taking and lack of communication between dealer and myself
The problem is that dealers do
not know how to diagnose a problem. They have young guys with little experience and they just keep replacing parts, on your dime, until they get it right. Since you are under warranty they probably are calling in their regional "expert" who is a seasoned mechanic to try to diagnose the problem. That is why it is taking so long. Good luck and definitely keep us posted.
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      06-22-2012, 10:00 AM   #44
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Okay called the dealer again...

said the transfer case is bad and tehy are replacing it. Someone mentioned that on pg 1. but the sound was from a wheel bearing on the right rear.

I will post again once i get it back and get the paperwork for everyone elses benefit and info
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