According to the complaint, in 2006, BMW announced with much fanfare the development of its new N54 twin turbo engine. BMW touted the new engine as incorporating state of the art technology that included dual turbo chargers and a newly developed fuel injection system. BMW represented to the public that this new technology would eliminate 'turbo lag,' a common problem in turbocharged vehicles, and that its new state of the art fuel injection system greatly increased the performance and fuel efficiency of its vehicles.
Plaintiffs allege that the new engines that were so highly touted by BMW in fact contain serious design flaws that render the vehicles unsafe to drive. There are essentially two design flaws at the center of the case. First, the plaintiff asserts that BMW's new fuel injection system that supposedly incorporates a new 'state of the art' fuel pump actually malfunctions at an alarming high rate. As a result, many BMW owners have had to repeatedly replace their fuel pumps, sometimes within 1,000 miles of vehicle ownership.
The second problem relates to the BMW turbo chargers. Specifically, the complaint alleges that owners of the affected vehicles were told that BMW's new engine had eliminated 'turbo lag.' 'Turbo lag' is the delay between the time that driver of a vehicle presses the accelerator and the time that turbo chargers on the engine essentially 'kick in' to provide added power to the engine. However, shortly after the vehicles were released, BMW began to receive complaints from owners that they were hearing strange noises from the engine along with a delay in throttle response. BMW eventually discovered that these problems were the result of a design defect in the turbo chargers.
Plaintiffs allege, however, that rather than repair the defective turbo chargers, BMW implemented a secret 'software fix' to hide the problems from consumers. Any time a consumer brought their BMW in for repair or routine maintenance, BMW would 'upgrade' the vehicle's software. This software tweak kept the turbo chargers from operating at full capacity, ensuring that their defects would go undetected.
Apparently owners aren't happy. A number of user generated forums, petitions and blogs have cropped up criticizing BMW for their handling of the issue. On the BMW Blog, several consumers reported their BMW's going into 'limp mode.' They also complained of excessive power loss and 'turbo lag,' the very condition BMW said it had eliminated with its 'state of the art engine.' The plaintiff's complaint seeks to force BMW to repair the defective turbo charges and/or reimburse consumers for the diminution in value to the vehicles.