Alfa Romeo Alfa 166 Service and Repair Manuals. Alfa Romeo Alfa 166. The Alfa Romeo 166 is an executive car produced by the Italian automaker Alfa Romeo between 1998 and 2007. The 166 was the replacement for the Alfa Romeo 164, and although the 164 had styling which was far from orthodox, the 166 with its drooping headlamps and pointed nose still raised many eyebrows. Alfa Romeo 166 Service Manuals | Carmanualshub Apr 10, 2018Alfa Romeo 166 (Series 936) is a business-class sedan produced by the Italian company Alfa Romeo in 1998-2007. The design was developed by the Alfa Romeo Style Center under the supervision of the chief designer Walter De Silva. The model passed one restyling in 2003.