Same here, I change more often cables than BBs. It's contamination what kills them, SRAM aren't the worst sealed but Shimano BBs are better at that
External BBs care a lot more about faced ends than other types; no amount of sealing will preserve the bearings if they're a tad cocked.
@Kimmo started
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Same here, I change more often cables than BBs. It's contamination what kills them, SRAM aren't the worst sealed but Shimano BBs are better at that