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      09-07-2017, 12:52 PM   #3203
lan4
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Drives: 2008 M3, 2010 550i, 2015 M3
Join Date: Jan 2011
Location: NJ

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Quote:
Originally Posted by Doc Oc View Post
Everyone I know uses the word knock as a catch all term for spark knock, pre ignition and detonation....correct or not.

If I'm reading his post right it seems he thinks pre ignition and detonation are the same though, which is incorrect. Here's a great read on the subject:

http://www.contactmagazine.com/Issue...ineBasics.html
Great article. Thanks

I have often wondered if the ionic current method BMW uses for knock control on the s65/85 is completely effective, especially with worn out spark plugs (which are used as the sensing element)?
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