The US auto-safety regulator has opened an investigation into German car maker BMW AG's Mini Cooper models, following reports of potential power steering problems.
The National Highway Traffic Safety Administration (NHTSA) said it received 54 complaints about the loss of power steering in Mini Cooper car manufactured between 2004 and 2005.
It is said that the probe will cover as many as 80,000 Mini Coopers. Tom Kowaleski, a US-based spokesman for BMW of Munich, said the firm will provide all necessary information to the agency.
In July, the agency looked into BMW Z4's power steering, following some 107 complaints and one crash was reported.
Mini Cooper drivers faced intermittent power-steering failure that technicians failed to replicate.
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