Price includes engine disassembly and inspection

ARP High Boost Head Stud Kit** **it is a MUST to drill and tap the four outer 9mm holes in the engine block to increase their size to 11mm holes

another 8AN PTFE fuel hose runs into the engine bay and towards the front of the fuel rail (not included)

F32 / F33 / F36 440i xDrive

50mm Exhaust   Sport  271° Intake / 264° Exhaust   11

ReFlex+ Advanced I/O Integration | BMW S55 3.0L Price includes engine disassembly andThe ReFlex+ Advanced I O Integration module is engineered for BMW S55 owners who want complete control over their performance builds. More than just an auxiliary injector controller, the ReFlex+ brings high end ECU features to your S55 at a fraction of the cost. Whether running standalone tuning or fully integrated with CAN Bus platforms, the ReFlex+ provides unmatched flexibility, precision, and reliability. Perfect for sequential port injection,