They do an update if it is required for a part that has been installed or if there is a service done and the update is requested by BMW. Otherwise you pay, $135 for mine so I could get the Dinan installed .
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Member ZSCCA 2009 Z4 s35i with Dinan Stage II software, Sport and Exec packages, 19" 296 rims , a stubby and mud flaps
'03 Z4 3.0i Sterling Grey (Hers)
'01 Z3 3.0i Sapphire Black, M sport package (Mine)
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