I have the UR CAI...the filter is down in the front bumper, Im not sure about the intake temp differences but that might be something that we can test this weekend. Mike has the DCI so you can check that out too.
Euro Delivery Thread: '13 SANTORINI BLUE E92 ///M3
'10 AW E90 335i MSport
Former Cars: '07 Interlagos ///M5
/ '09 135i
/ '10 E93 335i
/ '07 E90 335i