X5, Front Suspension Problems and Cracking Noise

[willy_manily]

Hello, when ever i go over a speed hump in my 4.4 i hear the front left arm make a creaking noise that i have never heard before. I looked at it and it all seems ok, so i would like to know what it could be. It has been very cold and wet lately so i dont know weather that would change anything. About a month ago i had the bushes replaced in that arm