Can 27 degree weather do this to an X?

[X5_Rob]

I can't believe some cold weather would have such an adverse affect on my 2005 X 4.4 (89k mi) but on my first night visiting family for Thanksgiving (I drove up from Tampa to Charlotte) the temp was in the 20's... In the morning there was a healthy puddle of both engine oil AND coolant under the car... from the puddle on the ground I estimate around 1oz of engine oil and at least a cup to cup and half of coolant...

The oil level still checked full but the coolant lever stick was all the way down and did not pop up at all when opened.

To add misery and mystery to the situation when I started it up the red SRS Airbag warning light is now on on the dash panel. I also noticed a cluster of pixels are now out on my NAV screen. My NAV screen was perfect when I left and was used on the way up so would have certainly noticed...

I've owned the car for 5 plus years now... car was perfect on Tuesday morning parked in my garage in 70 degree Tampa. All of the above occured Tuesday night while parked in 25-30 degree weather overnight... WTF?? How could all of the above occur at the same time? I took it to the BMW dealer in Charlotte (I didn't have time to really look at it nor did I want to take time away from my visit with family so bit the bullet and let the dealer check it out to make sure no major issues so I could drive it back to Tampa worry free). They replaced a coolant sensor (13-62-1-433-077) stating they pressure tested and found a small leak.... drove home back to Tampa Sunday no issues.

I suspect I have a failing oil seal that did not like the cold.. but still holds its seal in warmer Florida weather... The car was parked overnight here in Tampa and this morning not a drop of oil on the ground. I've never had a drip of engine oil come out in 5 years either... But the combination of all of the above at once really has me bummed and stumped??? Are these X5's such cold weather wimps?