BMW S63 High Flow DI Injectors What sets Nostrum apart: +31% higher flow than stock S63TU (EU5) M5/M6 <20.2 g/sec vs 15.4 g/sec> +59% higher flow than stock S63TU2 (EU6) X5M/X6M <20.2 g/sec vs 12.7 g/sec> Direct Fit, no harness or spacers required OEM... MSRP: $2,699.00 Was: Now: $2,599.00 Pre-Order Now