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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > Normal idle RPM?



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      03-06-2014, 05:48 PM   #1
techie182
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Normal idle RPM?

Whats the normal rpm for 328i n52 engines?
Mine is at 560 rpm at idle.
My car vibrates at idle(560rpm) and vibration is gone at 600rpm when I rev little at standing still. I'm guessing new motor mount?
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      03-07-2014, 12:05 PM   #2
TittoBlunt
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Mine is usually around 600-700.
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      03-07-2014, 12:08 PM   #3
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Mine idles at 600 even. Maybe +/- 25rpm, but the needle is only so accurate.
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      03-07-2014, 01:04 PM   #4
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Quote:
Originally Posted by Nico87 View Post
Mine idles at 600 even. Maybe +/- 25rpm, but the needle is only so accurate.
Ditto
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      03-07-2014, 02:36 PM   #5
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I doubt it's the motor mount. But yeah mine idles around 600 as well.
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      03-09-2014, 06:54 PM   #6
techie182
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What could make my car idle so low?
Sparkplug? I'm at 78k with stock sparkplug.
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      03-09-2014, 07:11 PM   #7
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Yup idles at 600 rpm
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