Description Genuine  Performance kit for the BMW M20 2.0 2.3 and 2.5 engines Comprising of authentic 40 DCOE Weber carburettors and the finest quality inlet manifold / British made linkage and fittings Comprises 1 x British made intake manifold 3 x Genuine Weber 40DCOE carburettors 1 x rod linkage set 6 x mesh filters Studs, nuts washers and mountings. The carburettors are supplied with the following calibration Venturi               30mm Auxiliary venturi  4.5 Main jet              115 Air corrector         200 Emulsion tube      F11 Idle jet               45F9 Pump jet             40 This calibration will allow the car to start and run, and it is recommended that the carburettors be set up on a rolling road to achieve satisfactory results. We recommend the use of our electric fuel pump 17303 found in Related products Please note that, owing to our policy of continuous improvement, kit contents may be subject to change with our prior notice.   JDA-PBM303