I’ve always had to upgrade the fans for the trunk. Today this was implemented: 2 120mm fans (there are lots on eBay & co), the matching metal grilles. For 350€ I was too bad to buy original parts http://www.online-teile.com/…/product_info.php?… The fan for the passenger side fit Plug & Play there are 2 rubber parts that then hold the fan. On the driver side it looks as if these parts have been removed from me for this purpose. Power connection: I simply stole electricity from the rear window heater directly from the connector for the tailgate above the left speaker from the D-pillar at Pos 1 is +, pos 14 is mass. Here’s a video of it: http://www.youtube.com/watch?v=o6Yl31HQbcI&feature=youtu.be The fans are not perceptible when the bottom flap is on it.