maintenance - same motor and tranny as your X5. same problems and frustrations. unless you have a 3.0 and then the V8's are mildly more problematic.

driving - truck vs car.

good luck. have you posted on a forum that represents the e60 5 series?

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2006 4.8iS Black/Black with custom Audison Voce/Image Dynamics sound
Production Date - 10/05