2005 BMW 545I Vehicle Speed Control Problems

FREQUENT ELECTRONIC MALFUNCTIONS (AVERAGES 1 PER HOUR). CAR WILL ENGAGE CRUISE CONTROL WITH NO WARNING. OCCASIONALLY WILL INCREASE THE CRUISE CONTROL BY 5 MILE PER HOUR INCREMENTS. WILL RANDOMLY SPRAY & WIPE WINDOWS. FREQUENTLY UNLOCKS DOORS & WILL NOT ALLOW THEM TO BE LOCKED AGAIN UNTIL THE CAR IS STOPPED & TURNED OFF. MAKES FREQUENT EMERGENCY CALLS (OFTEN 3-4 TIMES IN AN HOUR). MOVES & ADJUSTS STEERING WHEEL WHILE DRIVING. ACTIVATES TURN SIGNALS. ACTIVATES 4 WAY FLASHERS. ROLLS UP & DOWN WINDOWS WITH NO WARNING. SOMETIMES WILL GO OUTSIDE TO CAR TO FIND WINDOWS ROLLED DOWN WHILE CAR WAS PARKED. ACTIVATES ALARM SIREN WHILE DRIVING. AND MORE ..... *TR

I HAVE BEEN REVIEWING BLOGS ON THE 2005 BMW 545I SERIES. ABOUT A MONTH AGO I STARTED EXPERIENCING ISSUES WITH MY CAR. THE CAR IS ACCELERATING AT TIMES ON ITS OWN AS I SWITCH THE TRANSMISSION INTO DRIVE AND I LET GO OF THE BRAKE. IT GIVES A BOOST OF ACCELERATION WHERE I ALMOST HIT MY GARAGE DOOR. ON SEVERAL OCCASIONS WHEN I ROLL FROM A STOP SIGN THE CAR EXPERIENCES A BIG JOLT AS IF I JUST GOT REAR ENDED. IT IS SO HARD THAT MY 4 YEAR OLD GOT FLUSTERED AND STARTED TO CRY. AT 30-40 MILES THE CAR STARTED TO JERK AS WELL. I TOOK IT INTO BMW BUT SINCE THE SENSOR DOES NOT PICK UP THE PROBLEM THEY WAS NOTHING THEY COULD DO ACCORDING TO THEM. THEY INFORMED ME THAT IT IS HARD TO TELL WHAT IS WRONG IT COULD BE TRANSMISSION, SENSOR, BRAKES, ENGINE, ETC...I...