The BB was not officially imported into the United States by the Ferrari company, as Enzo Ferrari believed that emerging environmental and safety regulations and a 55 MPH national speed limit suggested the company's 8 cylinder cars would suffice in the US market.[2] Instead, dealers in the United States contracted with independent third parties that made the necessary EPA and US DOT modifications such as the installation of catalytic converters, and many of them are now in the United States.