BMW M57 M57N2TOP Upgraded valve springs

Upgraded valve springs for the BMW M57 and are not simply OEM springs from another application that have been repackaged. Stock springs are very weak and valve float starts around the 420hp mark on M57.

A Billet Aluminum valve spring compressor tool is available for an additional $50 when purchasing these springs, or can be purchased separately.  

Stock Valve Spring Seat pressure is 34lbs and 55lbs Open. 

These springs are 66lbs seat pressure and 96lbs Open.