These are N54 Turbochargers with an Upgraded Forged. Billet Compressor Wheel Comparable in flow to a 17T Turbo. New Castings (NO CORES NEEDED). Brand New Wastegate Actuators. High Flow Forged Billet Compressor Wheels. Component Balanced Dynamic Balanced Than VSR Balanced. This is TD04L 17T Turbine Wheel Available (6+6, 43.458). Maybe some Modifications needed to install. Billet Wastegate Flapper Valves (Stainless Steel with Thicker Rod). 2.25 inch Dual Cone Air Intake Filters. Easy Installation – All Direct Bolt on Parts. 2 x Hi FLow Cone Filters. 2 x Heavy Duty T-Bolt Clamps. 2 x Aluminum Adapter Pipes – Silver Finish. ID of inlet is 57mm (your pipe OD should be 2.25). Complete Kit – All Required Parts for easy installation included. The sound of the turbo spooling and blow off valve is amplified with these open filters. This intake system completely replaces your restrictive factory air box assembly. Location Silicone 2.0 Inlets. Our driver side OEM location inlet kit replaces the restrictive stock intake tract with our high flowing 2 one piece intake which doesn’t require the relocation of any components in your engine bay. This kit will work with any intake that fits the stock inlets including and not limited to For VRSF DCI, Injen, aFe and OEM intake. This kit works with both RHD and LHD 135i, 1M, 335i, 335is, 535i, Z4 as well as XI variants. For BMW 1 Series. 2011 E82 1M Twin Turbo 3.0L. For BMW 3 Series. For BMW 5 Series. For BMW Z Series. Leave us your Tel no after paid if you did not left in the registeration form. We reserved the right to reject any return or exchanges. Please return your item(s) in original packaging and ensure that all packages are securely wrapped. Then, the updated result will be informed.