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OTM Spec Parts - THE ULIMATE M50 KIT - M54/MS43 Kit

OTM Spec Parts - THE ULIMATE M50 KIT - M54/MS43 Kit

$1,549.95
Tuning
Catless Headers
Tuning Option

THE ULTIMATE M50 KIT

For BMW M54B25 / M54B30 — MS43 Only

In Collaboration with Revmatch Motorsport

Unlock the full potential of your M54 with The Ultimate M50 Kit — a complete, optional, and customizable package built to help you convert your M54-powered BMW to an M50-style intake setup. Whether you’re chasing throttle response, better airflow, or a cleaner, simpler bay, this kit collects everything you need in one place.

Designed specifically for the M54B25 and M54B30 engines equipped with MS43 ECU, every component in this kit has been selected to deliver proper fitment and dependable performance. All parts are available as optional add-ons so you can build your kit exactly the way you want it.


What This Kit Helps You Achieve

The M50 conversion is known for:

  • Improved low-end torque

  • Cleaner intake routing

  • Reduced heat soak

  • Better response & performance/tuning potential

  • A more “raw” mechanical driving feel

With every essential part available in one place, your swap becomes easier, cleaner, and more complete.


Included Components

  • M50 Intake

  • Throttle Body Adapter Plate

  • M50 Intake ICV Plug

  • ICV Head Port Plugs

  • IAT Sensor

  • Fuel Rail Adapter

  • Silicone Hose and Intake Kit

  • Fuel Injector Pigtails

  • Gasket Set

  • Revmatch Tune (MS43)

  • Catless Headers (Off-road Use Only)(OPTIONAL)

Choose exactly what you need — no more hunting down random parts from multiple suppliers.


Tune Configs

Config 1 - 91 Octane, 6800rpm Limiter, No Burbles, Hard Cut Limiter, No Launch Control

Config 2 - 93 Octane, 6800rpm Limiter, No Burbles, Hard Cut Limiter, No Launch Control

Config 3 - 91 Octane, 7K Limiter, No Burbles, Hard Cut Limiter, No Launch Control

Config 4 - 93 Octane, 7K Limiter, No Burbles, Hard Cut Limiter, No Launch Control

Config 5 - 91 Octane, 7K Limiter, Ghost Cam (Choppy Idle), No Burbles, Hard Cut Limiter, No Launch Control

Config 6 - 93 Octane, 7K Limiter, Ghost Cam (Choppy Idle), No Burbles, Hard Cut Limiter, No Launch Control

Config 5 - 91 Octane, 7K Limiter, Ghost Cam (Choppy Idle), No Burbles, Hard Cut Limiter, 4100 Launch Control

Config 5 - 93 Octane, 7K Limiter, Ghost Cam (Choppy Idle), No Burbles, Hard Cut Limiter, 4100 Launch Control

Config 6 - 91 Octane, 7K Limiter, Ghost Cam (Choppy Idle), (Always On) Fast Pops, Hard Cut Limiter, No Launch Control

Config 7 - 91 Octane, 7K Limiter, Ghost Cam (Choppy Idle), (Always On) Spaced BANGS, Hard Cut Limiter, No Launch Control

Config 8 - 93 Octane, 7K Limiter, Ghost Cam (Choppy Idle), (Always On) Fast Pops, Hard Cut Limiter, No Launch Control

Config 9 - 93 Octane, 7K Limiter, Ghost Cam (Choppy Idle), (Always On) Spaced BANGS, Hard Cut Limiter, No Launch Control

Config 10 - 91 Octane, 7K Limiter, Ghost Cam (Choppy Idle), (Cruise Control On) Fast Pops, Hard Cut Limiter, No Launch Control

Config 11 - 91 Octane, 7K Limiter, Ghost Cam (Choppy Idle), (Cruise Control On) Spaced BANGS, Hard Cut Limiter, No Launch Control

Config 12 - 93 Octane, 7K Limiter, Ghost Cam (Choppy Idle), (Cruise Control On) Fast Pops, Hard Cut Limiter, No Launch Control

Config 13 - 93 Octane, 7K Limiter, Ghost Cam (Choppy Idle), (Cruise Control On) Spaced BANGS, Hard Cut Limiter, No Launch Control

For Tuning we send you a full ECU that plugs and Plays, if yiud like to do remote tuning please reach select remote

For Any Tune configs. We will reach out after a order has been placed to talk about your setup to make sure your 100% Happy with what you need but please select the Config closest to your needs!

TURBO TUNING NOT AVAILABLE THROUGH ONE TOUCH MOTORSPORT REACH OUT IF YOU NEED TURBO TUNING AND WE CAN GET YOU IN CONTACT WITH REVMATCH!


Shipping & Lead Times

Please note:
All M50 Kit components are made-to-order or/is sourced from multiple suppliers.
Orders may take 2–4 weeks to ship.

We appreciate your patience, and we ensure your parts are properly gathered, verified, and packaged before shipment.


⚠️ Important Legal & Safety Notice

By purchasing this kit, you agree to the following terms:

  • This kit is NOT emission compliant and may not be legal for street use in certain states.

  • It is the buyer’s responsibility to check local and state regulations before purchasing or installing.

  • One Touch Motorsports is not responsible for improper installation, engine damage, tuning/diag issues, or legal/inspection failures.

  • Professional installation is strongly recommended.

  • All sales on this product are final. No refunds.


Compatibility

  • BMW M54B25 / M54B30

  • MS43 ECU-equipped vehicles only

If you need help confirming compatibility, you can reach out before ordering — we’re here to help.

Fulfillment time

7 to 10 business days

Free shipping on all orders above $299.99.

Customer Support

sales@onetouchmotorsports.com

Returns

Customers may return a product within 10 days. The 10-day period starts from the day the customer accepts the product. 

See the full returns policy here

Customer Support

sales@onetouchmotorsports.com