100% brand new and high quality BMWs suffer from a common problem with swirling flaps in the intake manifold. The screws holding the throttles can loosen and cause serious damage to your engine. This is a well-known problem that has been discussed many times on the BMW forums. & magazines. The easiest way to prevent this damage from occurring to your engine is to replace these swirl flap plugs with these. Features: 6 x 33mm caps, one plate for each cylinder. Includes intake manifold gasket kit. The bungs are machined from high quality aluminum using state of the art CNC technology. O-rings are supplied with the bungs. Easy to install. Interchange directly with your existing swirl shutters, just push in and screw into place. There will be no difference in your vehicle's performance, you may even notice an improvement if your swirl flaps have deteriorated. Specification: Material: Aluminum Alloy Color: Silver Size: as shown in figure Compatibility: For BMW engine codes and models as follows: 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 - from end of 2006 Old M57 - 2000 and after M57D25 2000-2003 E39 525d automatic transmission only. M57N/M57TU - from 2004 M57TUD25 E60/E61 525d M57/M57D29 - from 1998 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 - from 2002 M57TUD30 E46 330d/330Cd/330xd E83 X3 3.0d E53 X5 3.0d E60/E61 530d/530xd E65 730d E60/E61 535d M57TU2D30 M57TU2D30 - from 2007, E60 and E61 facelifted 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 For BMW E70 For BMW E71 E60/E61 535d E70 X5 3.0sd E71 X6 xDrive35d E83 X3 3.0sd E90/E91 335d Note: 1.Please allow 0-1cm error due to manual measurement. Please make sure you do not mind before bidding. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 6 * Swirl Flap Covers 6 * Type A Intake Manifold 6 * Type B Intake Manifold Gasket 1 * Gasket