2006 Bmw z4 kelley blue book Source Source Source Source Source Source Source Read Also: Kelley blue book value of a 2006 bmw 325i Kelley blue book 2006 bmw 325i Kelley blue book value for a 2006 bmw x5 Kelley blue book value 2001 bmw 325i 2006 Bmw x5 blue book value Blue book value for bmw x5 2006