BMW M550i xDrive

To: National Highway Traffic Safety Administration (NHTSA) Subject: Safety Complaint – 2018 BMW M550i Driver Assistance System I am filing a formal safety complaint regarding a dangerous malfunction of the driver assistance systems in my 2018 BMW M550i. These systems behave unpredictably and cannot be reliably disabled, creating an unsafe driving condition. The vehicle’s driver assistance features (including steering and braking interventions) activate or restrict themselves unexpectedly…

I’m getting a passenger restraint system malfunction message on my infotainment. Says: “Passenger restraint system limited. Increased risk of injury in case of a collision. Continue wearing safety belt.” This is the second time this has occurred on this specific vehicle. First time was in 2021 and was repaired. Now it came up again.

Passenger restrain system mail function

The front differential and rear drive train has been problematic and has failed in model years starting 2019. My car is a April 2020 car with 34,000 miles and has already failed. There are numerous cars that share the same V8 engine and drive train, has similar front differential failures at very low mileage. BMW USA seems to not car and address the issue after it being brought to their attention.

The guibo (flex disc) in the powertrain has multiple visible cracks, posing a safety risk due to its potential to disrupt power transmission to the wheels. This malfunction could impact vehicle control, particularly at higher speeds, thus putting passengers and other road users at risk. A certified BMW service center has confirmed the problem, with BMW technicians recommending a replacement; however, both the dealer and BMW have declined to cover it under warranty. Although there were no…

Passenger restrained seatbelt signal. There is bulletin in google: SIB 72 04 17. There are recalls for this vehicle but dealer want accept it.

In the last 8 months, I have experienced 3 blowouts on the same side of the car. The tires were Continental Procontact SSR 245/40R19. In each instance, the sidewall failed and blew out. This has occurred on the highway as well as at low city speeds.

Excessive amounts of water accumulated at interior floors from the A/C drain unit. Water damage to all sensors and bad odor. Worried car may catch fire while driving. A/C will sometimes work.

I have had two separate incidents of cracked wheels. I drive the vehicle on normal roadways and have had no impacts with curbs, debris or significant road hazards. The wheels show no signs of any impact or damage, just a crack. Of course the cracked wheels result in a rapid loss of tire pressure. BMW will not warranty the wheels and replacement of each has cost me $800. I feel the wheels were obviously not engineered properly to withstand the load and forces of normal highway driving. …

The rear driver door will not open. It seems the door handle does not open the door from the exterior of the vehicle. The door will also not open from the interior of the vehicle. It feels like the handle has come lose from the door latch mechanism to open the door of the vehicle. This is a big safety concern if there is a passenger sitting behind the driver and they cannot exit the vehicle.