Stronger valve springs N57 B57 • BMW 330d 335d 535d M50d & other |2012 to 2020|

Performance valve springs for BMW N57 and B57 3.0 liter 6 cylinder diesel engines. This set fits:

• BMW 325d 330d 335d (E90 F30 years 2010 - 2020 with exceptions)
• BMW 525d 530d 535d 540d M550d (F10 G30 years 1999 - 2009)
• BMW 640d (F13 F06 years 2012 - 2018)
• BMW X3 30d 35d (2011 - 2020)
  
• BMW X5 30d 35d 40d M50d (2012 - 2020 with exceptions)
• Other BMW models with N57 N57X N57S B47 engines

Valve springs have more valve seat pressure than stock BMW springs (pressure increase of 32% when valve closed, 40% valve open)

They very effectively solve valve float problem when putting high boost to these engines but do not damage the engine or camshafts. Allows to run boost levels up to approximately 4.0 bar.