Replacing spark plugs on a BMW E39 inline 6 cylinder engine.

**TORQUE SPECS: 31 Nm (23 ft/lb)**

2001-2003 525i
1996-2000 528i
2001-2003 530i

NGK Plugs for 2003 M54 engine 525i: 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/