Good price if the car checks out, one of the last E90s built. If the rest of the service history checks out I wouldn't worry too much about the lag for the break in service. Have you met/spoken to the seller?
08 E90 | Jet Black / Black | 6MT
Mods: RAC RG63 w/ Pirelli Corsa 255F/285R | Akrapovic Evo Exhaust | OEM Blacklines
Winter Setup: OEM 18s w/ Nokian Hakkapeliita R 245/40-18