Automatic Transmission Problems of BMW 750

The contact owns a 2012 BMW 750i. The contact stated that while stopped in traffic, a wildfire began to approach his vehicle. The contact then stated that white smoke obstructed his vision on the highway. As the contact depressed the accelerator pedal, the vehicle stalled with the transmission disengaged message on the instrument panel. The contact restarted the vehicle three times before the transmission re-engaged and the contact was able to escape the thick smoke that had covered his vehicle. The contact called the dealer and spoke to a service advisor who stated that the heat from the fire caused the vehicle to stall. The manufacturer was also notified of the failure and referred him back to the dealer for an inspection. The vehicle was not repaired. The failure mileage was approximately 56,000.

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The contact owns a 2006 BMW 750li. The contact stated that the transmission fault warning light illuminated and initiated the safe mode erroneously. The contact stated that when the failure occurred, the vehicle would decelerate and could not regain power. The vehicle was taken to the dealer were the fault codes were reset. The dealer advised the contact that if the failure happened to recur, the transmission would need to be replaced. The contact believed that the failure was caused by an electrical issue based on the symptoms the vehicle was exhibiting. The dealer however, disagreed and stated that according to the diagnostic results, the failure was caused by the transmission. The failure mileage was 61,000 and the current mileage was 63,000. Updated 05/11/12 the consumer stated the transmission would periodically go into safe mode and the vehicle would become inoperative. Updated 06/01/12.

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I have had my car in for service for an problem, that when moving from stop at an red light/ stop sign. It seen as if iam being hit from the rear, this the second time it has been there for the same issue. First they could not find any problem, second time they wanted 1400. 00 dollar to repair the car, but after an call to the service manger. There an service bulletin on the problem. After replacing dmv, they said that this would fix the issue, on the home at an rolling stop where the red light turn green (less 5 mph ) when gas pedal was push the clunck returned.

Driving car in normal circumstances sudden, harsh downshift when accelerating while transmission in s mode severe jolt to driver and passenger in vehicle - as if involved in car accident - potential requirement for medical attention to deal with spinal injury dealer states unable to re-create situation.

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I have a BMW 750li sedan. The transmission in this car intermittently but approximately 1 time per month has a violent downshift into a low gear. It feels like you have just been rear ended by another car and it is possible to get a neck injury from this "violent" slamming. It happens to other owners of this car as I have read about it on many forums. BMW won't do anything about it if you can not replicate the problem. It seems to happen most often when you are traveling at slow speeds going up a steep hill and you take you foot off the accelerator and then start to accelerate. It is unnerving and dangerous especially if you have passengers in the car.

When driving at low speeds and then lightly accelerating, vehicle slams into a lower gear causing my head to snap back. I have experienced this three times in the past 3 months. The dealer cannot replicate this issue at is random, but other BMW owners have noted the same issue.

The contact owns a BMW 750 li. He lives on a near a cliff and when he parks his vehicle on an incline the vehicle lurches forward. This happens consistently 20 seconds after parking the vehicle and engaging the emergency brake. He first noticed the failure, approximately in February 2007, after parking on an incline. The degree of the incline is not relevant to the failure, even a slight incline will produce the failure, but a large incline will jolt the vehicle forward more violently. The weather was not a factor in the failure. He was told by the service dealer that all BMW 750s perform in this manner and he has that statement written on a service order. The failure mileage was 1300 and the current mileage was 22156. If necessary, please contact the owner via email.

There were no events leading up to the failure. The transmission on my 1999 BMW 750il screamed, & roared and lurched into foward and than nothing. No forward or reverse. At this time nothing has been done to correct the failure. From all the internet sites I have researched including NHTSA it appears that this vehicle should be one that has a faulty transmission and yet BMW and the dealer say no and deny any liability. Your help in this matter will be most appreciated. The NHTSA recall id # is 99v005000. Thanks.

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