Add the iconic S54 ITB and airbox induction system to your M54 engine with the S54 ITB to M54 Adapter. This CNC-machined aluminum adapter plate ensures a precise fit, giving your M54 the airflow benefits of the S54 ITB throttle system. Kit Includes: RRD CNC Aluminum Adapter Plate Screws, washers, and O-rings for installation Optional DBW Actuator Mount: Billet 7075 aluminum bracket for mounting the S54 Drive-By-Wire (DBW) actuator to the M50/M52/S50/S52/M54 engine block Important Installation Notes: Swap the M54 oil filter housing with an M50/S50/S52 housing to avoid clearance issues with the throttle position sensor. Modify the rear of the S54 throttle position sensor to fit around the VANOS solenoid connector. Note: This product is not legal for sale or use on emission-controlled vehicles. BMW M54 Applications: BMW 3 Series 2000-2006     E46     320i / 320Ci2000-2006     E46     325i / 325xi / 325Ci2000-2006     E46     330i / 330xi / 330Ci BMW 5 Series 2000-2003     E39     520i [Europe]2000-2003     E39     525i 2000-2003     E39     530i2003-2005     E60/E61     525i2003-2005     E60/E61     530i BMW 7 Series 2001     E38     730i / 730Li [Europe] BMW Z3 Series 2000-2002     Z3     2.2i / 2.5i / 3.0i BMW Z4 Series 2002-2005     Z4     2.5i / 3.0i BMW X3 Series 2003-2006     E83     X3 2.5i / 3.0i BMW X5 Series 2000-2006     E53     X5 3.0i