A method of linking technical component models that are modeled on different levels of abstraction, wherein the technical component models are associated with a manufacturing process or a vehicle development process, the method comprising: a) providing a base control flow model that includes a plurality of technical components (121; 122A; 123; 124A; 125; 126A; 128A; 129), at least some of the technical components (121; 122A; 123; 124A; 125; 126A; 128A; 129) including one or more data fields (124B; 122B; 126B; 128B; 130B); b) generating an automation model, based on a given model described in Event-Driven Process Chain, EPC, notation, that includes a plurality of blocks, each said block being associated with a partial subset of the base control flow model and including indication(s) of data field(s) (124B; 122B; 126B; 128B; 130B) associated with the respective partial subset of the base control flow model, wherein relationships are defined between at least some of the indications of the data fields (124B; 122B; 126B; 128B; 130B) in the blocks of the automation model; and c) responding to a request to transform the base control flow model to a transformed control flow model in Business Process Model and Notation, BPMN, notation by, for each block in the automation model: d) determining which indication(s) of the data field(s) (124B; 122B; 126B; 128B; 130B) in the block is/are output(s) for the block; e) determining, for each said output, a corresponding input for another one of said blocks; f) generating a new component (121; 122A; 123; 124A; 125; 126A; 128A; 129) in the transformed control flow model; g) creating a variable for the new component (121; 122A; 123; 124A; 125; 126A; 128A; 129) for each output for the block and for each input to the another one of said blocks; h) associating the created variables with one another to indicate a connection therebetween in accordance with the defined relationships represented in the automation model; and i) injecting the new component (121; 122A; 123; 124A; 125; 126A; 128A; 129) into the partial subset associated with the block; wherein the method further comprises: implementing a change in the manufacturing process or the vehicle development process by assigning a new value to a corresponding variable of the created variables in the automation model. a) providing a base control flow model that includes a plurality of technical components (121; 122A; 123; 124A; 125; 126A; 128A; 129), at least some of the technical components (121; 122A; 123; 124A; 125; 126A; 128A; 129) including one or more data fields (124B; 122B; 126B; 128B; 130B); b) generating an automation model, based on a given model described in Event-Driven Process Chain, EPC, notation, that includes a plurality of blocks, each said block being associated with a partial subset of the base control flow model and including indication(s) of data field(s) (124B; 122B; 126B; 128B; 130B) associated with the respective partial subset of the base control flow model, wherein relationships are defined between at least some of the indications of the data fields (124B; 122B; 126B; 128B; 130B) in the blocks of the automation model; and c) responding to a request to transform the base control flow model to a transformed control flow model in Business Process Model and Notation, BPMN, notation by, for each block in the automation model: d) determining which indication(s) of the data field(s) (124B; 122B; 126B; 128B; 130B) in the block is/are output(s) for the block; e) determining, for each said output, a corresponding input for another one of said blocks; f) generating a new component (121; 122A; 123; 124A; 125; 126A; 128A; 129) in the transformed control flow model; g) creating a variable for the new component (121; 122A; 123; 124A; 125; 126A; 128A; 129) for each output for the block and for each input to the another one of said blocks; h) associating the created variables with one another to indicate a connection therebetween in accordance with the defined relationships represented in the automation model; and i) injecting the new component (121; 122A; 123; 124A; 125; 126A; 128A; 129) into the partial subset associated with the block;