BMW E36 Blog

Rough idle problems are really common on BMW E36 cars and there are a lot of problems that may cause this to appear. First I will show you a video of such a rough idle and then list the possible problems that may cause that.

Take a look:-

The possible reasons for such a problem are:

1. Oxygen Sensor is gone: You can run a diagnosis to see if this is the problem. If you find out that it’s the problem, you should replace it. Read Everything you need to know about Oxygen Sensor! for more information about oxygen sensors.

2. Idle Control Valve: Dirty idle control valve is a very common problem in BMW E36 cars that may cause rough idle. You can use this DIY (Do It Yourself) to learn about Cleaning E36 ICV (Idle Control Valve)

3. Plugs and Distributor: You may need to replace these to solve your problem. I however don’t have a way to check them before replacement.

4. The Throttle Position Sensor (TBS) and/or connections may be bad: You can simply disconnect it and see if your problem is solved or not.

BMW E36 Blog: The Ultimate E36 Information Source.

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I hope you will enjoy reading it and find the information that I provide useful to you. If you have any notes or suggestions that you may think will help this blog, please feel free to contact me. I would love to hear back from you guys.

Thank you all.

BMW E36 Blog: The ultimate E36 information source.