Thread: Idle Inquiry
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      04-09-2014, 12:52 PM   #5
MR CROWN
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Drives: e92 335i/E46 ZHP
Join Date: Jan 2014
Location: Cali

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Quote:
Originally Posted by mg4734 View Post
A slightly rough idle, meaning not 100% smooth and steady, is normal. If you haven't had your valves walnut-blasted, I would do that though. improves the idle greatly. IF that doesn't work, maybe a bad coil. But, unless it is very severe or causing codes I would not worry about it too much.
Thanks man. I figured as much based on the research I did but wanted to make sure. Since I'm at 50K, would it be best to do the plugs before walnut blasting the car? If I understand correctly, the plugs should be changed at 45k right?
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