  In these proceedings we review the impact of the tauonic $B$ decays
$B\to\tau\nu$, $B\to D\tau\nu$ and $B\to D^*\tau\nu$ on Higgs mediated flavour
violation. For this purpose we study a 2HDM with generic flavour structure (of
type III). We find that despite the stringent constraints from FCNC processes
sizable effects in tauonic $B$ decays are possible if top-related flavour
violation is large and that the tensions with the SM predictions can be
resolved even when taking into account the recent CMS bounds on
$A^0\to\tau^+\tau^-$.
