A pulse generator (PULS) is present on this EPS unit. It is mounted between the odometer and cable. This speeds sensor generates a speed sine wave. As the speed increases, the frequency of the pulses also increases. The EPS unit will reduce support at higher frequencies.
The BMW 2000CS was the successor to the 3200CS Bertone and the forerunner of the 6 cylinder CS models. This so-called "Neue Klasse" had the famous 4-cylinder 2.0 Liter M10 engine. EZ Power Steering has developed a nice power steering system for this type of car which makes it a pleasure to drive this BMW again.