2012 BMW 328I Vehicle speed control Problems

“Engaged cruise control on interstate and the vehicle immediately and aggressively accelerated. As the vehicle speed indicator approached the cruise control pipper, the pipper began to increase, staying about 5mph ahead of the speedometer needle. At approximately 95mph I disengaged the system using the control in the steering wheel. Information center displayed a cruise control malfunction error. Engaging the brake disengaged the cruise control, but once I release the brake pedal the cruise began aggressively accelerating again. …”

“Unable to accelerate safely, engine gives out intermittently at varying speeds. Called every dealership around alpharetta, ga; gwinnette Bmw told me they wouldn't work on it or help me and then hung up-all on a recorded line. Still waiting for a manager to call me. Called another dealer and they said to wait a few hours and try again meanwhile I can only hope my car doesn't shut off on my during rush hour or on my way to work. This has been on ongoing issue with the f30 Bmw 3 series as many customers indicated this issue for at least two years.”

“Drive train malfunction, rear right break light warning light is on will not go off, had the bulb changed and still not working. Drive train go on when trying to go into speed on all functions such as eco mode, normal mode and sport mode. Indicator light goes back to normal after car is completely off and upon start up light goes off. Right front tire when being driven sounds like a flat but when checked on the exterior, seem to be no damage to the tire.”

“INCIDENT SUMMARY: On January 9, 2026, at approximately 1:30 PM, while traveling at 50 MPH in North Carolina, the vehicle experienced a sudden, catastrophic engine seizure without any prior Limp Mode warning or Check Engine Light. This resulted in an immediate, total loss of motive power in active traffic. I was forced to navigate a dead multi-ton vehicle across lanes without power steering or vacuum-assisted braking, narrowly avoiding a high-speed collision. …”

“The contact owns a 2012 BMW 328I.The contact stated while driving 70 MPH, the vehicle independently accelerated at high speed before the vehicle shut off with the message “Transmission Not in Park” displayed. The contact was able to pull over on the side of the road, and after the vehicle cooled down the contact was able to restart the vehicle and the vehicle operated normally. The vehicle was taken to the dealer and the fuel pump was replaced but the failure reoccurred. The vehicle was taken to an independent mechanic, but no cause for the failure was found. …”