Cylinder head, Cylinder head screws, <a href="https://garage.wiki/bmw/engines/diesel/straight-6/30-l/m57-d30-306d3/208-hp.html" title="BMW diesel straight-6 3.0 L M57 D30 (306D3) 208 HP engine DIY maintenance and service manual">BMW diesel straight-6 3.0 L M57 D30 (306D3) 208 HP</a>, M12, First stage
by Roman Paulov