HD M57N & M57N2 VALVE SPRINGS

$550.00
/
Tax included. Shipping calculated at checkout.

Looking to upgrade your M57 valve springs?

We have managed to source these OEM quality uprated valve springs out of Europe

STAGE 1 SPRINGS:

  • Made from Oteva 70 SC PLUS (Same as Genuine BMW)
  • Modulus of Shear 78500N/mm2
  • Max recommended EMP 5.35bar (77PSI)
  • Max recommended Boost 4.75bar (68PSI)
  • +48% increase in spring rate over OEM

STAGE 2 springs avail on request - even stronger than our stage 1's!