BorgWarner OE replacement turbocharger for BMW B58 two-port applications (11657934386 / 11658679021). This direct-replacement turbo is intended to match OE fit and function for the specified B58 engines, providing a factory-style service solution without altering vehicle platforms or requiring fabrication. Use as an OEM-equivalent swap where the listed part numbers apply.

BorgWarner BMW B58 2 Port OE Replacement Turbocharger (11657934386/11658679021)