I have being reading about modding the seat to get heated seat, so I decided to look at my seats and saw this. Does anybody know what this is? It looks like a bag with cold and hot water hoses coming out of it.

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2010 X6 50i
2005 X5 3.Oi, Many Options
2015 HONDA CR-V EX-L
1998 ACURA 2.5TL

MODs
- Driver's outside mirror light
- Voice Recognition Module
- Blaupunkt Entertainment System
with Digital TV