Replacing spark plugs on a BMW E39 inline 6 cylinder engine.
2001-2003 525i
1996-2000 528i
2001-2003 530i
NGK Plugs for 2003 M54 engine 525i: href=”http://www.ecstuning.com/BMW-E39-525i-M54_2.5L/Search/Spark/ES10331/” target=”_blank” rel=”nofollow”>http://www.ecstuning.com/BMW-E39-525i-M54_2.5L/Search/Spark/ES10331/
Engine bolt covers: http://www.ecstuning.com/BMW-E39-525i-M54_2.5L/Engine/Covers/ES18267/