S58B30XW15+

Power output rate: ~ 1500 hp
Recommended boost: up to ~ 3.8 bar (~ 55 psi)

This is our high performance build.

Build consists of:

+ IRP Platinum Line Pistons (Higher Compression Ratio and Long-Rod Specs)
+ IRP Platinum Line Rods with Custom Age bolts (Long-Rod Specs)
+ IRP Studs
+ ACL Rod Bearings
+ Custom fire-rings and head gasket (manufactured in Qatar and proven on multiple 2000-3000 hp GTR, V10, etc. applications) 
+ New OEM main bearings
+ NGK Spark Plugs incl. specific gapping
+ All OEM parts needed to be replaced

> All assembly work is done according to the BMW working order
> All torque and degree specs are according to BMW specs
> All custom parts are installed/set according to manufacturer *we are working extensively with IRP to achieve the best results.
> Disassemble the crank and replace the main bearings with new OEM ones
> Complete engine block clean and reassembly with new OEM parts (what is necessary to be replaced)
> Machine Block for fire-rings

Options
+ New Oil Pump

! For engines with more than 30.000 miles / 50.000 km - we strongly recommend new main bearings and new oil pump

Cylinder head upgrades are not included. You can find them in the section Cylinder Head Build.

We are available for further questions and information.