I hear a creak right as I turn up my driveway at the point where there's pressure/weight on the axle(s). Any driveway really but it doesn't always happen. You know the mechanical creaking sound when the parking brake is under pressure from the weight of your vehicle while on an incline (that's normal right?) - it sounds similar but it's not happening because of that. I want to say it's coming more from the left wheel but am not sure. Is this something I should worry about or may cold weather or something shifting under there have something to do with this?

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'08 X5 3.0si - Alpine White / Saddle Brown interior
Specs: Sport Pkg, Premium Pkg, Tech Pkg, Comfort Access, Aero Kit, Style 433 staggered 20s on Conti DWS
Mods: Carbon 35 tint, LED angel eyes, GP Thunder 7500k fogs, H&R 20mm/25mm spacers, clear reflectors, gunsmoke-tinted taillights
Coded: Digital speedo, windows/sunroof/tailgate close via keyfob

X5 pics at Flickr