Mann & Overton Carbodies had built Mann & Overton's Austin taxis since 1948. Manganese Bronze Holdings had absorbed Carbodies Limited with portions of the former Birmingham Small Arms Company in 1973. Taxis became Manganese Bronze's core business carried out under the name "The London Taxi Company". The London Taxi Company continued the business of Mann & Overton and Carbodies until 2013 when production problems and consequent financial difficulties brought a halt to production.<br>There are plans to revive the business under the ownership of Geely UK Limited. Mann & Overton Mann & Overton Limited owned and operated a motor vehicle dealers business previously known
Austin FX4 transmission and gradually fewer cabs with manual gearboxes were sold. The petrol engine was discontinued in 1973. In 1973, Carbodies' owner BSA, by now confronting imminent bankruptcy, was bought by Manganese Bronze Holdings, who were happy to continue making the FX4. Detail changes, such as burst-proof door locks and push-button door handles, safety steering and moulded rubber overriders (designed because the original tooling for the chrome overriders had worn out) were implemented. In 1982, Carbodies (who had been producing the FX4 for Austin and Mann & Overton) took over the cab's intellectual property rights when BL (Austin's parent company) lost