Dorch Engineering S55 High Flow Injectors - S63 EU5: These are the OEM injectors for the BMW M5 (S63 Engine) and the highest flowing injectors of this family from Bosch. In terms of mechanical fit...

***Call for availability*** Dorch Engineering S55 Lift Kit - HPFP Upgrade: We are proud to offer an unmatched game-changing product for the S55 community! Rather than offer our standard HPFP upgra...