Spark Plug gap - - Excellence in Motion
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post #1 of 2 (permalink) Old Dec 12th, 2005, 9:24 pm Thread Starter
Join Date: Mar 2004
Posts: 402
Question Spark Plug gap

I replaced the plugs on my '03 GT today. It had Bosch dual-electrode plugs in it, and I replaced them with the same.

I noticed the electrodes have rounded edges. Was I supposed to use a special feeler gauge or gapping tool, or is it OK to use a regular, flat feeler gauge, which would set the center of the electrode > .8 mm?

Thanks in advance.
detour is offline  
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post #2 of 2 (permalink) Old Dec 13th, 2005, 10:21 am
Join Date: Apr 2004
Posts: 133
you need to use one of the wire loop gauges, and wiggle it in there.....supposedly the plugs are pre-gapped, esp if you get them from a BMW stealership.....I checked the gap on my original plugs last year and they were all pretty good - barely off........can't hurt to check though
mikay is offline  

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