BMW 5 E34 518g
Model: 5 E34 (1988 - 1996)
Wikipedia (5 E34): http://en.wikipedia.org/wiki/BMW_E34
A model which could run on natural gas (as well as petrol) and was only sold in Germany. The 518g was based on the 518i wagon and the only transmission available was a 5-speed manual. When running on natural gas, the engine produced 73 kW (98 hp), compared with 84 kW (113 hp) when running on petrol. It was only produced in 1995 and just 298 units were built.