Sharpen the throttle response of your BMW M54 / S54 engines with the S54 ITB Adapter Plate for BMW M54 Engines, a precision-engineered induction upgrade. Engineered by 5150 AutoSport, this throttle body adapter is built to the standards demanded by high-performance and motorsport BMW builds.Key Features Designed for BMW M54 / S54 engines Sharper, more direct throttle response Precision-machined for accurate fitment A clean OEM+ induction upgrade Available in multiple adapter plate kit options to suit your build Supplied by 5150 AutoSport, trusted by BMW enthusiasts worldwide Product DetailsAdd 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 blockImportant 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 Series2000-2006 E46 320i / 320Ci 2000-2006 E46 325i / 325xi / 325Ci 2000-2006 E46 330i / 330xi / 330Ci BMW 5 Series2000-2003 E39 520i [Europe] 2000-2003 E39 525i 2000-2003 E39 530i 2003-2005 E60/E61 525i 2003-2005 E60/E61 530i BMW 7 Series2001 E38 730i / 730Li [Europe]BMW Z3 Series2000-2002 Z3 2.2i / 2.5i / 3.0iBMW Z4 Series2002-2005 Z4 2.5i / 3.0iBMW X3 Series2003-2006 E83 X3 2.5i / 3.0i BMW X5 Series2000-2006 E53 X5 3.0iAdapter Plate Kit Options Adapter Plate Only Adapter Plate + Throttle Cable System Adapter Plate + DBW Actuator CompatibilityBMW M54 Models BMW E46 325i / 330i BMW E39 525i / 530i BMW E60 525i / 530i BMW E83 X3 BMW Z4 2.5i / 3.0i BMW S54 Models BMW E46 M3 BMW Z3 M Roadster / Coupe BMW Z4 M Roadster / Coupe Why Choose 5150 AutoSport? Purpose-built BMW performance engineering Components developed for high-power, real-world durability Trusted by serious BMW engine builders Specialist knowledge of forced-induction and high-RPM builds Why Buy from R44 Performance?R44 Performance supplies premium BMW performance and engine-building components trusted by enthusiasts worldwide. BMW specialists Genuine 5150 AutoSport products Fast UK & worldwide shipping Expert product support Upgrade your BMW M54 / S54 build with the S54 ITB Adapter Plate for BMW M54 Engines — available now from R44 Performance.