The Contractor shall have a right of set-off against BMW's claims or a right to assert rights of retention only if and to the extent that the Contractor's claim is undisputed or its counterclaim has become final and absolute. BMW shall also have the right to offset claims, to which an affiliated company with BMW within the meaning of Paragraph 15 German Stock Corporation Act (AktG) is entitled, against the Contractor's claims. BMW shall furthermore have the right to offset its claims against claims, to which the Contractor is entitled against a company affiliated with BMW within the meaning of Paragraph 15 German Stock Corporation Act (AktG).