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      03-05-2013, 01:09 AM   #1
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Bosch ZGR6STE2 Question

I have a 2007 BMW 335i sedan and i am going to change the spark plugs and i have searched and can not find the answer to my question.
So my question is do i need to "gap" the spark plugs or are they "pre gapped?"

Last edited by rhet21; 03-05-2013 at 01:16 AM.
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      03-05-2013, 06:21 AM   #2
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It doesn't really matter, you should always check the gap of each plug prior to installing it. A spark plag gap tool is a few dollars at any parts store.
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      03-05-2013, 06:23 AM   #3
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pre gapped
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      03-05-2013, 11:23 PM   #4
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You cannot accurately gap these; they have multiple side electrodes. Unless you drop or bang them, they arrive properly gapped from the factory.
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