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      02-16-2017, 08:50 PM   #4
DUI Elite
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Drives: 06 SGM E90, 15 BSM E84
Join Date: Jan 2011
Location: Chicago, IL

iTrader: (4)

The sound you're hearing is the lock-pin for the transmission's park gear unlocking.

First pulling the parking brake up and using neutral to let the parking brake catch the weight of the car, and THEN shifting to park will eliminate this clunk almost entirely.
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