Thread: X5 50i spark plug and coils
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      03-30-2019, 06:39 PM   #19
UT_X5
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Drives: X5 50i
Join Date: Feb 2017
Location: Dallas,TX

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Quote:
Originally Posted by trlengle View Post
Are X5M plugs the best upgrade option? I recall a mention of NGK but can't find the model and what the thought was on performance.
Currently running X5M plugs on Stage 2 with no issues. Don’t know about NGK
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