When I had a 2002 CPO X5 4.4i, it too had been in an accident.

The rear window was clear, although the car had Privacy Glass. It was new clear glass. Also teh trunk was somewhat misaligned if you looked closely.

I got that fixed. But the trunk always had to be shut, else it wouldn't latch.

The dealer never told me the car was hit from behind. This is my own theory due to the stuff I found.

The final interesting note was that when I went in to trade-in this X5 for a 2004 ML500, the Benz dealer had a cool machine which measured paint thickness. Turns out, aside from the stuff I listed above, the rear bumper was re-painted, as were large spots on both rear doors.

The dealer that sold me this X5 was mum about every single item I listed above. I guess they don't "have" to tell you, unless you ask.

Upon buying the 2004 ML500 CPO car from Benz, they happily provided me with a free Carfax on the spot as well as its history. Clean car - I wish BMW was like this...

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2008 ML320 CDI | Iridium Silver | Black ARTICO Leather | Premium Package (H/K Logic7, Parktronic, Rear Heated Seats, Rear Power Hatch, DVD Nav, 10-way Front Seats w/ Memory) | Backup Camera | Aluminum Running Boards | 4500K MTEC Low-beam HID | 30% Metallic Tint | Boomerang2 Recovery System | Weathertech Front Floorliners | Bridgestone Blizzak DM-V1 Winter Tires