Had the same thing around 15K, dealer topped it off for me. Haven't had any problems with it since then.
F82 M4 | Yas Marina Blue | SO Extended Leather | DCT
F80 M3 | Sakhir Orange | SO Extended Leather | DCT (Gone)
F30 335xi | MSport | Estoril Blue | Sport 8AT (Gone)
F30 335xi | MSport | Estoril Blue | 6MT (Gone)
E92 335xi | MSport | Le Mans Blue Metallic | AT (Gone)