FixVault

Idle Speed Control (ISC) Motor

WARNING: This page is about a different car, the 1995 BMW 740iL, 1995 BMW 740i, and 1995 BMW 540i. However, it is still accessible from the selected car via links, so may be relevant.
ISC MOTOR RESISTANCE - Ohms @ 68°F (20°C)

Application Ohms
2-Pin Connector 18-22
3-Pin Connector
Between 2 Outer Pins 23
Between Center & Either Side 12