(4.4l Twin Turbo), Awd, 4.4l, n63 91k Miles. BMW 550I 11-13 (4.4L twin turbo), AWD BMW 550I GT 10-12 (4.4L twin turbo), AWD BMW 650I 12 (4.4L twin turbo), AWD BMW 750 SERIES 10-12 (4.4L, twin turbo), AWD. This listing may use ARA damage codes, including the following.A = 1 or less units of damage B = 2 or less units of damage but more than 1 C = more than 2 units of damage. A = Less than or equal to 60k miles, or greater than 60k miles but less than or equal to 200k miles and less than or equal to 15k miles per year B = Greater than 60k miles and less than or equal to 200k miles but greater than 15k miles per year C = Greater than 200k miles. AFT = New Aftermarket body part Downgrade = Recycler choose to downgrade the part based on damage not reflected in the grading algorithm.