2011 E92 ZCP price check

Might sell my car to a friend in the next few months, depending on a few things, wonder what would be a fair price as of now

2011.75 (April 2011 Prod), E92, Mineral White, Fox Red, DCT, carbon roof

No accident, 2nd owner, car been with me for about 10 years, 63K miles
8.5/10 exterior, 8.5/10 interior, carbon roof got some minor peeling but will be refinished before selling

ZCP, Premium Package, Technology Package

RB done by Mporium BMW
Ohlins RT, without camber plates
StopTech Trophy 6 pistons front BBK
Rays G25 wheels
Mporium under tray

25K to 30K ?

Friends and family price, high 20's.

Private party price, low 30's.