Having this in a car is bloody annoying as you try and locate its source.I had this in my A4 ,however its been tricky to locate.These rattles and buzzing noises have a habit of playing mind games.You will be convinced you know where its coming from ,ony to find your wrong. Before you start ripping out door panels,dash boards etc the issue,if you have this is almost bound to be the following....... i was sure this was coming from the drivers door panel,or dash and the buzzing from the passenger door or dash/cd player/glove box. The culprits were sunglasses,even in their case and in the glove box they somehow managed to resonate and buzz first one cured. The second rattling,which was usually when going over rougher roads,was the spare wheel nut remover wrench in the boot which should be pushed down in its holder so it clips into place,also tighten the strap for the jack. ive also stored both high viz jacket pouches in the tool box.You can manage to get both in although its not specifically for this. Perfection and return to the refinement im used to.