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The BMW Range
3 Series
Wind Noice
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<blockquote data-quote="whl" data-source="post: 126921" data-attributes="member: 273"><p>I guess the windnoise boils down to aerodynamics and Cd. </p><p></p><p>e34's will have noise cause by the sidemirrors, change to facelifted side mirrors and it will reduce noise not eliminate it.</p><p></p><p>e36 noise is coming from lack of insulation. Take and e34 or newer BM and compare the amount of rubber arund the door /window area. The e36 only has rubber surrounding the door on the car body and around the wndow. The e34 has rubber surrounding the door. So more rubber, more insulation.</p><p></p><p>e46 probably same problem. Basically not meant to be silent cruiser.</p><p></p><p>e21/24/23 forget it.........the Cd is like .40. Want to go past 200km/h also susah, how to enjoy silent cruising speed.</p><p></p><p>some cars have the aerodymics so well thought off, like the Citroen ZX has no noise from side mirrors, but when drive with the windows down there's no air coming in. Try it.</p><p></p><p>Mazin aka whl</p></blockquote><p></p>
[QUOTE="whl, post: 126921, member: 273"] I guess the windnoise boils down to aerodynamics and Cd. e34's will have noise cause by the sidemirrors, change to facelifted side mirrors and it will reduce noise not eliminate it. e36 noise is coming from lack of insulation. Take and e34 or newer BM and compare the amount of rubber arund the door /window area. The e36 only has rubber surrounding the door on the car body and around the wndow. The e34 has rubber surrounding the door. So more rubber, more insulation. e46 probably same problem. Basically not meant to be silent cruiser. e21/24/23 forget it.........the Cd is like .40. Want to go past 200km/h also susah, how to enjoy silent cruising speed. some cars have the aerodymics so well thought off, like the Citroen ZX has no noise from side mirrors, but when drive with the windows down there's no air coming in. Try it. Mazin aka whl [/QUOTE]
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