2005 Porsche Cayenne Turbo Back Glass Window Replacement

[caption id="attachment_2109" align="alignleft" width="150"]2005 Porsche Cayenne Turbo Back Glass Replacement Window 2005 Porsche Cayenne turbo
rear window back glass window hatch
tinted
defrost, antenna replacement back window[/caption] Yesterday I received a call from a gentleman in Woodbridge, CT 06525 that has a 2005 Porsche Cayenne Turbo and he was asking for a price quote for a back glass replacement.  He said he was driving his vehicle and parked it in his indoor garage and about 40 minutes later her heard this big boom and he went out to the garage and noticed his window was broken.  He still isn't sure what caused the break.  This is what he said "When I left parking garage I drove for 20 minutes. Parked Inside garage. Temp was about 55 degrees. 40 minutes later, bang!" We are stumped on this one as well.   We quoted him $1250.00 for an aftermarket replacement back glass window for his Cayenne. [caption id="attachment_2110" align="alignleft" width="150"]2005 porsche Cayanne turbo rear window back glass window hatch tinted defrost, antenna 2005 Porsche Cayenne turbo
Rear window Back glass window hatch
tinted
defrost, antenna[/caption]