this bag is off an 85 K100 RT....I think it will fit all K bikes ..K75 and K100 but I am not sure please do your homework ...this ad is for one bag ..that is all I have ....it is in good shape ....no cracks ....has some scratches...has not been down in a crash it is in good useable condition.....see pictures  ....NO KEY NO KEY.....the lid shuts and the latches work...you can put it on your BMW and use it the way it is....I have NO key.....I do not know how much it will cost to ship this bag....it is large but not very heavy .....I am going to put $40 for shipping if it is less I will reimburse you .....I will only charge what it cost to ship it to you...