Mine is a 2006 E91 with xenon, aut curbe(?) light and high-beam assistant.
I have the FRM2 module and I cannot code mine to only use halo's as DRL. Low beams are always on with that combination.
As I understand it FRM3 can do it. FRM2 and older cannot. Correct me if i'm wrong.
'06 E91 330dA Sparkling Graphite|19" AvantGarde M359 Satin Black|335i brakes|Bilstein B16 IRC|Powerflex|GroundControl|Wagner|Ecotune|Turbo Dynamics|Zimmermann