Cylinder head, Cylinder head screws, <a href="https://garage.wiki/audi/engines/gasoline/v6/31-l/bpk/256-hp-at-6500-rpm-330-nm-at-3250-rpm.html" title="Audi gasoline V6 3.1 L BPK 256 HP at 6500 RPM, 330 N⋅m at 3250 RPM engine DIY maintenance and service manual">Audi gasoline V6 3.1 L BPK 256 HP at 6500 RPM, 330 N⋅m at 3250 RPM</a>, First stage

by Roman Paulov