Cylinder head, Cylinder head screws, <a href="https://garage.wiki/bmw/engines/gasoline/straight-6/30-l/m54-b30-306s3/219-hp-at-5900-rpm-300-nm-at-3500-rpm.html" title="BMW gasoline straight-6 3.0 L M54 B30 (306S3) 219 HP at 5900 RPM, 300 N⋅m at 3500 RPM engine DIY maintenance and service manual">BMW gasoline straight-6 3.0 L M54 B30 (306S3) 219 HP at 5900 RPM, 300 N⋅m at 3500 RPM</a>, First stage

by Roman Paulov