Question about 2004 BMW 3 Series
While driving there is a roaring noise coming from the front end of the car. Its very, very loud.
Posted by Anonymous on
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Posted on Jan 02, 2017
usually noise complaint can be pretty tricky to repair. especially if its intermittent. since you say it only when its cold my first guess would have to be a wheel bearing. some other things you can check is how the tires are wearing. when you rub your hand along the tread is it smooth or does the tread catch your hand. if your tires aren't wearing smooth noise complaints can be heard while slightly turning, braking, or even accelerating.also if its a wheel bearing you can lift the vehicle up in the rear (turn off your dsc) and run the rear tires up to speed. usually you can hear a loud wheel bearing. also you can drive the vehicle and swerve back and forth and see if the nosie changes. depending on which side of the vehicle suspension is being loaded
Posted on May 03, 2009
check you tires ( inside wall ) if there good then you might want check your rear wheel bearing if its a humming noise and gets louder as you go faster ,,good luck ,,,Joe
Posted on Aug 29, 2009
SOURCE: I have a 2006 BMW
Sounds like its missing on one cylinder. Could be a failed plug or a blocked injector, or something more serious.
Call your dealer, who will likely suggest that you bring or more likely tow the car to them.
The dealer can scan the ECU for a fault code which will point to an accurate diagnosis.
Posted on Jan 04, 2011
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