BMW Top Box Fit 2017 rallye

[exccfcsquaddy]

Not sure if right place but looking at a Rallye (2017 GS 1200) Used to have a GSA and she who must be obeyed is asking the question can you fit an ally top box assume yes with a change to rear rack. Hoping it bolts straight on

Thanks in advance

 

[Baked Bean]

Yes and yes