It was raining, and I was on a Motor Way, driving at about 100 mph and approaching 110. It was an automatic Volkswagen Passat, 12K miles old. The car started behaving weirdly, and it started shaking left right about 3-4 times, before I got it back under control.
Have never experienced this before, and have driven other (smaller) cars up to 125 mph. I wouldn't be able to give much info about the car, since I was renting it.
What could be the possible reason?