Having problems with your 2001 BMW 325 ?

I have the same problem. What's the stepper motor?

Posted / edited by AnonymousUser on : 21-06-2021

Answers :

The stepper motor is a electric motor that can move in either direction depending on the polarity and it controls the idle so that when the air con is turned on it increases the idle speed of the engine or when the power steering is turned again it increases the idle to compensate
Repair Help & Product Troubleshooting for 2001 BMW 325

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