has fing nightmare with this the hollowtech bb wasnt having it at all .fooked the left bearing completetly .astripped the thread .the normal profile euro bb went in okay but tight as fook but went in straight etc etc not cross thread or anything .
i think your right i need it cleaning properly .better give diggler a shout .i have ordered new hollowtech bb not gonna fit it till i know it will screw in by hand no problem