Lightly hand-thread each stud into the block

It is not required to remove the subframe to install the kit

as used in the E46 M3

With precise tolerances and proven race heritage

Turbo drain and feed line

ReFlex+ Advanced I/O Integration | BMW N54 1300555 Lightly hand-thread each stud intoThe ReFlex+ Advanced I O Integration module is designed for BMW N54 owners who demand precise control over every aspect of their performance build. More than an auxiliary injector controller, the ReFlex+ delivers advanced features typically found in high end standalone ECUsat a fraction of the cost. Whether running standalone tuning or fully integrated with CAN Bus platforms, the ReFlex+ gives you unmatched flexibility, precision, and reliability. Its