was used on every BMW production automobile until the 1990s. It was eventually supplanted by the "Z-axle" multi-link suspension introduced with the BMW Z1 in 1988. The last BMW cars with semi-trailing arm suspension were the BMW Compact and the BMW Z3. Space efficiency The BMW 600 was noted in magazine and journal articles as an example of space efficient design. It was noted for carrying four people within a shorter length than that of the Mini. Notes References External links Motorbase: BMW 600 Microcar Museum: BMW 600 (blue) Microcar Museum: BMW 600 (yellow) BMW 600 Yahoo Group 600 Rear-engined vehicles Cars powered by boxer engines Cars introduced in 1957 Microcars Cars powered by 2-cylinder engines