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      07-17-2018, 11:38 AM   #8
WatchWolf34
Because Racecar
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Drives: 2009 E90 335i 6MT
Join Date: Sep 2016
Location: Minnesota

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Quote:
Originally Posted by bf15 View Post
SO the ones that are in now are bosche, they have probabaly about 16-18 k on them.

SO im betting the E85 finshed them. Im going with the 1 step golder NGK's that can be regaped to work with the n54. hopfully this makes the difference. plugs arrive on wednesday.
Good choice on the plugs - I went with them and gapped them to .022 and they've been fantastic.

With regards to the coils, I would agree that your Bosch may be dead. Those coils have been known to be iffy anyway. I learned about Eldor coils (still OEM) as they make the 2013-up coils if I remember correctly. They've also got N54 coils now. I installed them along with my NGK plugs and out of the box they seemed like a more durable part.

Eldor Coils Link
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