Cylinder head, Cylinder head screws, <a href="https://garage.wiki/bmw/engines/gasoline/straight-6/30-l/m30-b30-306ka/185-hp.html" title="BMW gasoline straight-6 3.0 L M30 B30 (306KA) 185 HP engine DIY maintenance and service manual">BMW gasoline straight-6 3.0 L M30 B30 (306KA) 185 HP</a>, First stage

by Roman Paulov