Would agree with you Rowley it should make no difference....But this is a strange one..There are so many Permutations as to what could be causing this..!!!!! i Agree contact the customer service dept at Mitchelin Head Office and see what there take on this is..!!!!!
Possibly have a Good Slug of the Petrol to see if its Premium Or Not..!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Two Letters Two Numbers I.E. LY21 One of the most expensive..Approx 45 Grand...The more letters or numbers Bring the price Down i.e 5 Letters and Two numbers Around £500 Etc Swiftreg are Really Good for buying cherished Numbers Great service.. They do everything for You...
Google BESPOKE Exhaust Suppliers in your Area THERE MUST BE ONE OR TWO..They make the exhaust to fit the car.. We Have one near me who does this and is a lot cheaper They in all possibilty will be able to do a repair.. if the rest of the parts are ok.. BUT i would not be paying £2700 Or even £1500 Do Your Homework And save Some money!!!!!!