The bonnet tape is attached to the bulkhead where in contact with the bonnet. I had the tapping problem on mine, exactly the same symptoms as Bencmaster's, sounded like a nest of woodpeckers!
1969 4/4 1995 plus 8 1996 Plus 4 4seater 2002 Aero S1 2013 M3W 2014 Plus 8
