[J38]

Originally Posted by Glim

You are right, those are for N54 engines

What you want is NGK Iridium IX LFR6AIX-11


Here is the data for the 330i:

http://www.realoem.com/bmw/showparts...17&hg=12&fg=05

http://www.ngksparkplugs.com/part_fi...?engineid=2261


Any of these will work just fine, I put in PLZ's last year as they were selling them off for less than $10 each:

NGK ILZFR6D11
NGK PLZFR6A11S
BOSCH FR7NPP332
NGK LFR6AIX-11
12122158253; 12120032137; 12120032138; 12120035915;

Thank you for posting this. Sorry for the thread revival but it helped me.