Flange Nut With Spring Washers (M7) - BMW B58 | 11658670587

The GENUINE part, as sold new by the dealer.
Commonly used to install the turbocharger to the B58 engine.
Part # 11-65-8-670-587 / 11 65 8 670 587 / 11658670587
⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov