Swirl Flaps within your engine deteriorate over time and can end the life of your engine! As depicted above within the intake manifold of your BMW you will find these little blighters referred to as Swirl Flaps. Designed to produce a swirl of air to aid combustion when the engine is under light load; the flaps are held in place by two screws, unfortunately as the swirls move over time these screws can loosen or the spindle making their way in to your engine. This in-turn can do a number of things; jam open the valve port causing the piston to collide with the valve, enter the cylinder itself ending the life of the engine and even after leaving the engine further damage can be caused to the exhaust system. BMW engine codes and models: M47N/M47TU/M47TUD20,E46 320d 2001-2005, E83 X3 2.0d (up to end of 2006),M47TU2D20 updated in 2004 to M47TU2D20,E60/E61 520d, E87 120d, E90/E91 320d, E83 X3 2.0d - end of 2006 onwards,Previous M57 - 2000 onwards M57D25,2000-2003 E39 525d automatic transmission only,M57N/M57TU - 2004 onwards M57TUD25,E60/E61 525d,M57/M57D29 - 1998 onwards M57D30,E39 530d automatic transmission only,E46 330d/330xd automatic transmission only,E38 730d automatic transmission only,E53 X5 3.0d, E38 730d, E39 530d,M57N/M57TU - 2002 onwards M57TUD30,E46 330d/330Cd/330xd,E83 X3 3.0d,E53 X5 3.0d,E60/E61 530d/530xd,E65 730d,E60/E61 535d,M57TU2D30 M57TU2D30 - 2007 onwards, facelifted E60 and E61,M57TU2D30-UL M57TU2D30-OL M57TU2D30-TOP,E90/E91/E92 325d,E60/E61 525d/525xd E65 730d,E90/E91 325d,E90/E91 330d/330xd,E60/E61,BMW E70,BMW E71,E60/E61 535d,E70 X5 3.0sd,E71 X6 xDrive35d,E83 X3 3.0sd,E90/E91 335d. You will receive: 4x 33mm Swirl Flap blanks and 1x 11612245439 Manifold gasket between the AGR valve and the intake manifold. 4x 11612246945 Intake manifold gaskets upper against the cylinder head cover. 4x 11617790198 Intake manifold gaskets lower against the cylinder head. All gaskets are sourced from Elring or Reinz, not poor quality copys which will fail.
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