Cylinder head, Cylinder head screws, <a href="https://garage.wiki/bmw/engines/gasoline/straight-4/20-l/n46-b20-a/148-hp.html" title="BMW gasoline straight-4 2.0 L N46 B20 A 148 HP engine DIY maintenance and service manual">BMW gasoline straight-4 2.0 L N46 B20 A 148 HP</a>, First stage

by Roman Paulov