BMW 3.0 N55 S55 Supertech sodium filled exhaust valve BMEVI-1055S-HS STD
Part number BMEVI-1055S-HS (STD).
Supertech sodium filled exhaust valve.
BMW E90, E91, E92, E93, E82, E88, E89, X6, Z4, F01 - 3.0 (N55B30, S55B30).
Must be used with single groove keeper KPR-6S-7.