On 5 July BAE appointed independent auditors to investigate how the value of its share of Airbus had fallen from the original estimates to the Rothschild valuation ; however in September 2006 BAE agreed the sale of its stake in Airbus to EADS for # 1.87 billion ( $ 2.75 billion , $ 3.53 billion ) , pending BAE shareholder approval .
In September 2006 , BAE sold its part of Airbus for # 1.87 billion ( $ 2.75 billion , $ 3.53 billion ) .