Judgment of the Court (Fifth Chamber) of 29 July 2019.#Bayerische Motoren Werke AG and Freistaat Sachsen v European Commission.#Appeal – State aid – Regional investment aid – Aid for a large investment project – Aid partly incompatible with the internal market – Article 107(3) TFEU – Whether the aid is necessary – Article 108(3) TFEU – Regulation (EC) No 800/2008 – Aid exceeding the individual notification threshold – Notification – Scope of the block exemption – Cross-appeal – Whether an intervention before the General Court of the European Union may proceed – Admissibility.#Case C-654/17 P.