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Old 09-20-2012, 01:08 PM
rsutoratosu rsutoratosu is offline
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Location: Nassau
 
Join Date: May 2011
Posts: 94
Mein Auto: Z4
I dont have but I been looking for the spark plug data for a while, the oem is the bosch 4 ground tip one with do not gap. I got the ngk iridium and gap on it is .043" gap #1208. For your year, off the NGK site, its 6418.

Some other people have used iridium without any issues. I doubt there are any issues.. ill be putting mine in after I finish up the baby room in the house..
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