hi,i have an audi a4 tdi,02.cars been great untill saturday nite.parked up outside friends house and as i pulled away noticed that there was a huge wet patch on the floor.got out to inspect and found it was diesel.had been smelling of diesel the previous nite.took car to local garage the nx morning to find that the fuel pipe had split.havent had car fixed as yet,just wondering if this is a common problem??