Trying to figure out how to mount a SW-MOTEC top box to your BMW G310GS? This little kit is the answer. It bolts directly to the BMW factory luggage rack using the supplied bolts, no modifications whatsoever. Then the SW-MOTEC luggage plate bolts to the adapter using the second set of supplied bolts. Finally, the SW-MOTEC top box clips on. All you need is an 4mm hex driver and a 10mm wrench to get the job done. No drilling or crazy zip ties. Once together, the whole unit is super strong and vibration proof. Adapter plate is anodized to prevent corrosion and all nuts and bolts supplied are stainless steel.