HARD TO START, CRANKS FOR A WHILE TILL IT BUILDS UP PRESSURE THEN STARTS. IDLES ROUGH AND SOMETIMES DIES WHEN SITTING AT STOP LIGHT, AND SPUTTERING POWER AT TIME WHEN TAKING OFF, LEAKS FUEL FROM RIGHT REAR WHEEL WELL WHEN FILLING WITH FUEL. ALSO STALLS WHILE DRIVING AND TOTAL LOSS OF POWER FOR STEERING AND OTHER CONTROLS, VERY DANGEROUS WHEN IT OCCURS. I'M TOLD IT IS THE HIGH PRESSURE FUEL PUMP AND I MUST SAY THAT I CANNOT SEE HOW THIS PART CAN BE SO EXPENSIVE ($2,700) AND SURPRISED THAT BMW DID NOT RECALL THESE AND REPLACE IF THIS IN AN ENDEMIC FAULT. I WAS LUCKY THAT MY CAR FAILED 20 YARDS FROM MY HOUSE AS I RETURNED FROM A 200 MILE ROUND TRIP ON THE HIGHWAY. I DREAD TO THINK WHAT MIGHT HAVE HAPPENED TO ME IF THIS HAD STOPPED WHILE I WAS ON THE FAST LANE OF THE HIGHWAY. FOR WHAT IS A FLAGSHIP CAR, IT IS A POTENTIAL DEATH TRAP. *TR