No specials at this time
Part number SPRK-FE20N54-BE.
Supertech conical valve spring kit.
For BMW:
E90, E91, E92, E93, E82, E88, E89, X6, Z4, F01 - 3.0 (N54B30)
E90, E91, E92, F82, F10, F01, X5, X6 - 3.0 (N54, N55)
M4 F82 - 3.0 (S55)
Spring data:
Seat pressure - 75lbs @ 36.50mm
Open (lift) pressure - 155lbs @ 10.00mm
Spring coil bind - 23.20mm
Max lift - 12mm
Rate - 8 lbs./mm
Wide end spring outer diameter - 24.40mm
Wide end spring inner diameter - 17.60mm
Narrow end spring outer diameter - 21.00mm
Narrow end spring inner diameter - 14.30mm
Set includes:
Single springs - 24 pcs. SPR-FE20N54-BE
Titanium retainers - 12 pcs. RET-BMN54-TI (5mm)
Titanium retainers - 12 pcs. RET-BMN54-TE (6mm)
