Originally Posted by elp_jc
Thanks man. Yeah, those plugs wear quicker. They should be iridium so they last at least 50K miles. Oh well. Hey, those plugs apparently are only for the M5/6 V10; nothing shows for the M3 V8. Maybe the heat range is different
; both engines are essentially the same otherwise. Thanks again.
Same NGK part# as listed on realoem.com, so the heat range is the same.