Hi guys, i really don't know what to do with my e60 523i. I brought twice to the garage but there's no fault showing. I usually drove off to work for 1 hr and let say not more than 30 mins every day same as going back to home and the car is okay. In the weekend, if I will drive like for more than 1.5hours, the car is jerking. Like it happens when the engine is changing shift it takes time to shift up especially when you are in the stop light. even if you are running 120kph and engine needs to shift up or down. And one time it happened to me we went up hill for like 15kms the car suddenly stopped in the middle of the road (without any warning in dashboard). I called the garage then he told me to cool down the engine for 2 hours and after that I was able to come back home.