A BMW 123 averages €43,006 across all model years. Right now 30 are listed for sale, with the cheapest sitting around €1,500 (typically older years) and the priciest around €74,380 (recent years). The median is €48,900. A good price for a BMW 123 is under €17,461; anything over €64,300 is on the high side compared with similar listings. Selling to a dealer instead of privately usually means a lower price: expect roughly €36,675 to €44,010 for this model, depending on year and condition.