15k out of a new and modern designed gearbox = joke
I cant believe that this has been happening to others and nothing has been done about it
You'll probably end up with other reponses saying its hard cheese and 'you shouldnt drive it so hard' or 'its been used so you have to expect faults'
Get on the phone to Renault Customer Services and complain, explain that you are aware that this fault has happened to other owners and would like to know what Renault plan to do about it (other than sweep it under the carpet by replacing it under warranty)
God help others who slip months and years out of warranty and have to gather 2.5k together to keep the car on the road becasue of a known/recognised fault.