Congratulations on your E93, it looks gorgeous.
Originally Posted by AlanIOW
Why is there no sound deadening under the bonnet?
Sorry for the poor quality picture (mobile phone and poor light conditions), but here's a quick snap of the soundproofing under the bonnet of my E92 335d. It feels like a fairly thin piece of stuff, but I suppose it must do something, otherwise BMW wouldn't have put it there. It's held in place with a few large-headed bolts and seems to be tucked into the metalwork in a few places.
2015 F32 430d M Sport with M Sport Plus and Pro Media packs - Winter wheels and tyres
Previous BMWs: 2012 F10 520d M Sport, 2009 E92 320d M Sport, 2006 E92 335d, 2004 E60 530d, 2000 E39 525d, 1997 E39 523i