11 34 Valves with Springs N54 B30

WARNING: This page is about a different car, the 2013 BMW Z4, 2012 BMW Z4, 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

VALVES WITH SPRINGS SPECIFICATIONS

Plate dia.
Inlet	mm	31.4^±0.05
Exhaust		28.0^± 0.1
Stem
Inlet	mm	5.0 ^-0.1_-0.06
Exhaust	mm	6.0 ^-0.1_-0.06