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 Details
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 / 320Ci 2000-2006 E46 325i / 325xi / 325Ci 2000-2006 E46 330i / 330xi / 330Ci
BMW 5 Series
2000-2003 E39 520i [Europe] 2000-2003 E39 525i 2000-2003 E39 530i 2003-2005 E60/E61 525i 2003-2005 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
Adapter Plate Kit Options
- Adapter Plate Only
- Adapter Plate + Throttle Cable System
- Adapter Plate + DBW Actuator
Compatibility
BMW 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.
Unless explicitly stated otherwise, all products sold by R44 Performance Limited are designated RACE ONLY and are solely for competition or off-road use limited to racing formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, may violate local, state, and Federal laws. R44 Performance Limited does not implicitly or explicitly confirm the legality of using any products it sells on public roads; that is entirely the responsibility of the consumer.
It is the responsibility of the customer to check with all federal, state local and environmental laws before ordering and installing a product. R44 Performance Limited is not responsible for any fees, fines or costs that a customer may incur as a result of failing to check with federal, state, local or environmental laws before ordering and installing a product.
We get a large number of custom orders and requests everyday, so as a result it is not always possible for us to keep every item in stock at all times in our warehouse. If you require the item urgently please contact our sales team here to check the stock before you make your purchase.
We totally understand if you're not certain a part will be compatible with your car, so we highly recommend contacting us here with your query. Our friendly sales team will then be in touch to confirm if this part is the correct part you are looking for.
All in stock products ship the same day if ordered before 2pm GMT
For out of stock items we will contact you with an estimated wait time if not otherwise specified above.
We offer worldwide shipping on all products. If upon receiving your product you wish to return; we offer a 30-day returns policy. For our in-depth returns information please follow the link. "R44 Returns Policy
All of our products come with a standard warranty of 1-3 years. This is dependant on the type of product however. For more details please see our warranty page here.
PLEASE NOTE
- Orders with both in-stock and backorder or out-of-stock products will be dispatched once all products are available to ship together.
- Contact our sales team if you want your parts fitted to your vehicle at our London workshop.
- Shipping estimates are based on courier delivery times and don't include time to despatch from our warehouse.




