BMW E36 Blog

BMW E36 Rough Idle Problems

30th January 2008

BMW E36 Rough Idle Problems

posted in Electrical, Engine, Technical Info, Tips & Tricks |


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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.

 

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This entry was posted on Wednesday, January 30th, 2008 at 6:34 pm and is filed under Electrical, Engine, Technical Info, Tips & Tricks. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.

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  1. 1 On February 5th, 2009, steven said:

    hi i have a 316i coupe and when i start the car first thing in the morning , something keeps rattling for a split second, but it never happens when the car has been running and then if i turn off the engine and restart it .

    posted on February 5th, 2009 at 5:58 pm