DIY · Source reviewM3 / E92BMW E92 M3 cold-start clunk and anom3’s unresolved follow-upAnom3’s July 2007-production E92 M3 produced an intermittent metallic clunk on cold starts. Several changes brought subjective improvement, but the owner’s final update says the cause remained unknown.BMWM3 / E92Topics in the accountCold-start noisebimmerpost · anom3