Quick (and rather urgent) question on DRM brake bias spring

[Matt B]

I'm just about to bleed my brakes (regular fluid change) and would like to install my DRM bias spring into the master cylinder.

Before I tear everything down - will I have to bench bleed the master cylinder afterwards or will a normal 4 corner bleed get all the air out?

I don't have a bench bleed kit on hand and would make my Z inoperable for an unnecessary time...