you will eventually feel the steering is getting harder to turn until one day it stops working on power assist completely. I had my cars rack work done recently and my car only has 14000 miles. For some weird reason Bangladesh BMW did not give me this part warranty , so $4000 gone !

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2004 E53 X5 Sterling Gray 4.4i, Nappa Leather, Sunroof, Comfort Seats, TV, 6CD, Rear Window Blinds, iPod, HiFi Audio, Bi Xenon, Cruise Control, Bluetooth , soon to get BMW 20" Cross Spoke 177, 4.8is Wheel Arch Retrofit , 4.8is rear bumper trim, exhaust tip, 4.8is front bumper