Aqueous electrocoating material comprising (a) at least one binder B1 containing cationic or anionic groups and reactive functional groups which are able to undergo crosslinking reactions with complementary reactive functional groups present in a crosslinking agent (b), wherein the reactive functional groups are hydroxy groups, (b) at least one crosslinking agent CA comprising the complementary reactive functional groups, (c) at least one bismuth compound and (d) at least one binder B2, said binder B2 being different from the at least one binder B1 and being obtained by reacting: (d-1) at least one compound C1 containing at least one epoxy group with (d-2) at least one hydroxy group containing compound C2 and (d-3) at least one compound C3 of general formula R 1 R 2 N-(CH 2) a -O-[CH 2 -CH(R 3)] b -OH wherein R 1, R 2 independently from each other, are selected from hydrogen or a C 1 -C 4 alkyl residue; R 3 is selected from hydrogen or a C 1 -C 4 alkyl residue; a is an integral number of 1 to 8; and b is an integral number of 1 to 4; and (d-4) optionally at least one compound C4 comprising at least one primary and at least one tertiary amino group, characterized in that the molar ratio of compound C3 of general formula to the at least one compound C1 containing at least one epoxy group is 1: 1 to 1: 2.5. (a) at least one binder B1 containing cationic or anionic groups and reactive functional groups which are able to undergo crosslinking reactions with complementary reactive functional groups present in a crosslinking agent (b), wherein the reactive functional groups are hydroxy groups, (b) at least one crosslinking agent CA comprising the complementary reactive functional groups, (c) at least one bismuth compound and (d) at least one binder B2, said binder B2 being different from the at least one binder B1 and being obtained by reacting: (d-1) at least one compound C1 containing at least one epoxy group with (d-2) at least one hydroxy group containing compound C2 and (d-3) at least one compound C3 of general formula R 1 R 2 N-(CH 2) a -O-[CH 2 -CH(R 3)] b -OH wherein R 1, R 2 independently from each other, are selected from hydrogen or a C 1 -C 4 alkyl residue; R 3 is selected from hydrogen or a C 1 -C 4 alkyl residue; a is an integral number of 1 to 8; and b is an integral number of 1 to 4; and (d-4) optionally at least one compound C4 comprising at least one primary and at least one tertiary amino group, characterized in that the molar ratio of compound C3 of general formula to the at least one compound C1 containing at least one epoxy group is 1: 1 to 1: 2.5. (d-1) at least one compound C1 containing at least one epoxy group with (d-2) at least one hydroxy group containing compound C2 and (d-3) at least one compound C3 of general formula R 1 R 2 N-(CH 2) a -O-[CH 2 -CH(R 3)] b -OH wherein R 1, R 2 independently from each other, are selected from hydrogen or a C 1 -C 4 alkyl residue; R 3 is selected from hydrogen or a C 1 -C 4 alkyl residue; a is an integral number of 1 to 8; and b is an integral number of 1 to 4; and R 1, R 2 independently from each other, are selected from hydrogen or a C 1 -C 4 alkyl residue; R 3 is selected from hydrogen or a C 1 -C 4 alkyl residue; a is an integral number of 1 to 8; and b is an integral number of 1 to 4; and (d-4) optionally at least one compound C4 comprising at least one primary and at least one tertiary amino group,