The contact owns a 2008 BMW 750li. The contact stated that the transmission hesitated when trying to accelerate to 55 mph or higher. The vehicle was taken to the dealer twice who stated that there was a calibration problem between the egs module and the dme module. The contact was advised that there was no way to correct the failure. The manufacturer was notified of the failure and stated that the vehicle was performing acceptably and offered no further assistance. The failure mileage was 42,000 and the current mileage was 51,000. Updated 10/25/12 the consumer stated the engine and transmission were not in sync. Updated 10/25/12

- Brentwood, TN, USA

Failure-1: 5:50am wed. 4/4, 35mph on regular road, ~12 miles after cold start; symptom: Engine stalled in a sudden; break worked well; transmission auto to P after full stop, could not change gear; battery worked well, head lights and hazard light worked fine; no message on idrive / dashboard; tried 4-5 times to re-start but couldn't; action: Put on hazard light; made phone calls; succeeded to re-start after about 3 min.; failure-2: 6:50pm wed. 4/4, 35mph on regular road, ~20 miles after cold start; symptom: Check-engine light popped on; reduced driving power; car vibration; idrive message "?transmission failure; P, N, R, 3, 5, 6 available; drive moderately to nearest BMW dealer"; put on hazard light, 15mph drove 2 miles to home; high vibration at stop sign; can re-start / change gear at home garage; action: Re-started @ 6:30am thurs. 4/5; check-engine light still on; same idrive message; drove to dealer, picked up the car in the evening; dealer "no problem identified", check-engine light reset; failure-3: 4:05pm mon. 4/9, 5mph turning corner at car park, ~30S after cold start; symptom: Engine stalled in a sudden; loss break (brake pedal harden); hit curb and stopped; transmission auto to P; could not change gear; battery worked well; hazard light worked fine; no message on idrive / dash board; tried 4-5 times to re-start but couldn't; action: Put on hazard light; made phone calls; succeeded to re-start after ~3min; drove to dealer @4:40pm; dealer called @2:00pm wed. 4/11, "no problem or error codes identified", permission for long test drive; dealer E-mail @3:18pm 4/16, "no problem identified after 1-week test-drive"; urged dealer to contact BMW hq for a thorough investigation with definitive report before returning this car back to public road; it has become a severe public road safety concern now!

- Katy, TX, USA