As already mentioned,... DO NOT USE A CLAIMS MANAGEMENT COMPANY. There is no need. All they will do is send a standard letter to the Financial Ombudsman Service on your behalf and take at least 25% of any proceeds. Follow the advice on MoneySavingExpert and do it yourself, they have template letters to follow. My daughter works for the FOS, and says you're likely to get a quicker turnaround by NOT using one of the claims management companies.
It's arrived, e93 M3 Convertible: M-DCT, JzB / extended BB, and most of the options.