Quote:
Originally Posted by Dackelone
I recommend only to use BMW spark plugs. They will say "BMW Bosch" on the ceramic element. Aftermarket plugs have been known to cause misfires. That is why I will only use spark plugs bought at my local dealership.
Also... when you snap the electrical connector back into the coil pack.. its easy for it to get miss aligned. Check out this video by Cobb...
Dackel
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Quote:
Originally Posted by BimmerAg
Just be careful gapping them and make sure to use the right tool! The ground electrode is very fragile and can break if you try to use the coin-style gap tool
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I'm using BMW bosch OEM plugs.
I re-gauged all new spark plugs to 0.02".
Still misfires in cylinder 1.
Thinking its faulty plug/coil in cylinder 1, I replaced the new ones with old ones. Misfire is still only in cylinder 1. Also I can smell gas on the tips of the coil (both in case of new and old spark plug/coil combo).
What should I try next?