Complex sentence: However, the financial situation moved Nissan to disclose its technology and engineering expertise to SMI along with supply of its engines, one of them behing Nissan famed V6 engines, VQ25DE.
Split into simpler sentences: However, the financial situation had Nissan disclose its technology and engineering expertise to SMI. Also, Nissan has supplied SMI with its engines, one of them behing Nissan famed V6 engines, VQ25DE.