Samsonas Sequential Gearbox, BMW E9X Non-M Package:6-Speed Gearbox Multiple Inputs for Enhanced Monitoring:

Multiple Inputs for Enhanced Monitoring: Track vital engine parameters with inputs for:

These 145mm connecting rods are designed to fit M54B25 engines

Valve float

Just as with any bearings

B58 and S55

Samsonas Sequential Gearbox, BMW E9X Non-M Package:6-Speed Gearbox Multiple Inputs for Enhanced Monitoring:The Samsonas 4 5 6 (+ reverse) full Sequential Gearbox for BMW E90 E92 E93 NON M models equipped with BMW N54 N55 Engine includes Samsonas Motorsport Sequential Gearbox, ACAL RSS Gear Position Sensor, Output Flange, Bellhousing Adapter, and Input Shaft. Bell housing optional. This sequential transmission boasts Samsonas' X300 clutch shaft, 400 ratio configuration options, quick change top gear, and (5) engagement dogs for maximum fast gear change.