Are you claiming for your (written off) GSA from your insurer? If so, are your panniers / top box / other 'additional' parts covered too? If so, claim for new one.
Vern may be able to help you, deending on what it is you have done.
Vern, a UKGSer stalwart, may be able to help you. VERN
We make panniers, frames and top boxes for the BMW range. Have a look at our website (www.stahlkoffer.com) we may be able to help you. We are based in Stourbridge so thats not too far from you.
Regards
Bernie
Tel 07710 149 726