Engine control, Bottom part of the control unit housing, <a href="https://garage.wiki/volkswagen/engines/gasoline/straight-4/12-liters/cbzb/103-hp-at-5000-rpm-175-nm-at-1550-rpm.html" title="Volkswagen gasoline straight-4 1.2 Liters CBZB 103 HP at 5000 RPM, 175 N⋅m at 1550 RPM engine DIY maintenance and service manual">Volkswagen gasoline straight-4 1.2 Liters CBZB 103 HP at 5000 RPM, 175 N⋅m at 1550 RPM</a>, First stage

by Roman Paulov