The title compound, [Bi(C(7)H(7))(2)(C(9)H(12)N)], was obtained by treating chlorodi(p-tol-yl)bis-muthane with o-lithio-N,N-dimethyl-benzyl-amine. An intra-molecular Bi⋯N nonbonding inter-action is observed in the distorted trigonal triaryl-bis-muth coordination of the title compound.