I've been thinking about doing the same. I won't do it myself since I have zero patience for delicate jobs like this. It should cost you $200-300 to have this one.
Jerez Black/Fox E93 M3 - Prem 2/Cold/Conv/DCT/EDC/19's/Ext Lthr/Crbn Trim/Enhanced Sound/Sat
Mods- 20" BBS LM's DBK/Challenge Catback/Eibachs/Trim wrapped black/Lux Angel eyes/35% Tint