Seems a quick fix that requires 3 zip/cable ties that can be done in less than 5 minutes.
I noticed the cables running really closely to my chainset, almost touching, loads since I've gotten the bike so it's nice that Brompton have provided official guidance for this design flaw.
Instructions available here: https://www.brompton.com/support/bikes/g-line-updates?xnpe_tifc=hIUNbdolhuU_h._X4fHZ4jpsafeWaeiWhFWNbMP.ake8VdQ1afocbdiArknlxkbjx.h.xFolhFbJxkoT&utm_source=exponea&utm_campaign=26Feb25_Campaign_GLineCustomerNotice_Electric_UK&utm_medium=email&utm_content=en_uk
by barclayd7