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      12-23-2012, 11:47 PM   #21
Team iTouge
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Drives: 09 M-Tech 328i
Join Date: Jul 2011
Location: Long Beach, CA

iTrader: (9)

Originally Posted by AlanAZ View Post
Depends on your N51 manufacturing date. Up to 3/2009 an earlier coil was used, after that the latest part (BOSCH 12137594937.) Refer to this RealOEM page:

If you have a car with a 3/2009 or later build date, use the latest NGK LZFR6AP11GS plug.

Earlier cars, replacement coils will need to be the later 937 part, and use NGK PLZFR6A11S plugs until all the coils have been replaced with the latest part.
Noob question but where would I find this info?
Originally Posted by The HACK View Post
I'm going to use a very simple analogy, I hope you'll understand.
Driving is like having sex.
It really is. You can read up all you want about how to please a woman, you can look at all the diagrams in the world, but just like the clitoris, you won't know what the hell an apex is before you actually find it.