Benzoylecgonine is the major metabolite of cocaine. This is an indication that you have consumed cocaine. The limit for cocaine is 10 microgammes per litre of blood whereas benzoylecgonine has a limit of 50 microgammes per litre of blood. Given that you are over the limit for benoylecgonine you will face a minimum ban of 12 months together with either a fine, community order or prison sentence. On the face of the information you have provided, a ban together with a fine or community order is most likely. You should obtain more specific advice and can speak to a specialist on 0333 009 5535