Change Your Plugs and Reduce Misfires!
These NGK 94201 Laser Iridium replacement plugs are specifically designed for the BMW B58 engine. This is the best performing plug available for this engine with a cold heat rating of 8. Suggested for all factory and tuned applications including those running E85, WMI, and/or larger upgraded turbochargers.
Everyone knows spark plug changes are suggested every 20k miles or so for tuned vehicles and require replacement or re-gapping for higher than stock power levels. We suggest setting the gap down to 0.022" using the Precision Raceworks Spark Plug Gap Tool with Feeler Gauge.
The listing is for a single plug, you will generally need six when replacing your plugs.