Cylinder head, Cylinder head screws, All <a href="https://garage.wiki/bmw/engines/gasoline/straight-6/30-l/m54-b30-306s3/" title="BMW gasoline straight-6 3.0 L M54 B30 (306S3) engine DIY maintenance and service manual">BMW gasoline straight-6 3.0 L M54 B30 (306S3)</a> engines, First stage

by Roman Paulov