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1998 E39 520i - what are the best spark plugs

8K views 11 replies 8 participants last post by  mrkebab 
#1 ·
hi, what is the best spark plugs to buy, what is the genuine bmw plugs?
 
#8 ·
NGK and Bosch both are OEM for BMW.However if you get the wrong Bosch plugs you can get all sorts of problems.Never had a problem with NGK plugs :thumbsup I bought some NGK Iridiums for my car and have been running them for over a year now.However they are a bit of overkill and standard NGK will be more than adequate :thumbsup
 
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