NHTSA Complaint #10135197 — 2003 BMW Z4

CAR SAT IN HOT SUN ALL DAY. ENTERED CAR TO DRIVE HOME AND NOTICED STEERING WAS HARD AS SPEED INCREASED UPWARDS TO 30 MPH. AS SPEED INCREASED STEERING BECAME VERY HARD, REQUIRING TORQUE ON STEERING WHEEL. AT A STOP THE STEERING WAS NORMAL, WHEEL COULD TURN AS ALWAYS. AT HIGHER SPEEDS UP TO 55 MPH, WHEN CAR WHEELS TURNED, THE ACTION WAS "CHOPPY" OR IN INCREMENTS RATHER THAN SMOOTH AND WITH THE PRECISION CAR NORMALLY HAD. IT ALMOST SEEMED LIKE HEAVY WEIGHT ON FRONT OF CAR. CHECKED RUN FLAT TIRES. NO PROBLEM. PARKED CAR AT HOME. TWO DAYS LATER TOOK VEHICLE TO DEALER AND STEERING WAS NORMAL. DEALER RECOGNIZED A PROBLEM. HAD SAME YEAR AND MODEL WITH SIMILAR PROBLEM OCCURRING DAILY. COULD NOT DUPLICATE THE PROBLEM. TOLD ME FACTORY SERVICE BULLETINS SAID DO NOT REPLACE PARTS UNLESS PROBLEM DUPLICATED! DEALER SUGGESTED I DRIVE CAR UNTIL PROBLEM RETURNED AND THEN BRING IT IN. THEY WOULD DO NOTHING UNTIL THEY COULD DUPLICATE PROBLEM TO PERFORM DIAGNOSTIC. DEALER NOT OPEN 24 HOURS A DAY, OTHER CARS AT SAME DEALERSHIP WITH PROBLEM. CAR WAS UNSAFE TO DRIVE WHEN PROBLEM RECURRED. ACCORDING TO DEALER, MANUFACTURER IS AWARE OF PROBLEM, HAS TECHNICAL BULLETIN OUT, BUT NO PARTS REPLACED UNTIL FAILURE OCCURS AT DEALERSHIP. CAR BEING PARKED IN SUN BY DEALER TO SEE IF PROBLEM WILL DUPLICATE. CAR UNSAFE TO DRIVE!!! OTHER CARS THERE, SAME MODEL AND YEAR WITH SAME PROBLEM. *AK