Cylinder head, Cylinder head screws, <a href="https://garage.wiki/bmw/engines/gasoline/straight-6/25-l/m54-b25-256s5/189-hp.html" title="BMW gasoline straight-6 2.5 L M54 B25 (256S5) 189 HP engine DIY maintenance and service manual">BMW gasoline straight-6 2.5 L M54 B25 (256S5) 189 HP</a>, First stage

by Roman Paulov