Upgrade the driveline of your BMW M52TU / M50 / M52 / M54 engines with the Tremec TUET11009 T-56 Magnum 6-Speed Transmission | 700 ft-lb Torque, built to handle increased power and torque. Engineered by 5150 AutoSport, this transmission is built to the standards demanded by high-performance and motorsport BMW builds.
Key Features
- Designed for BMW M52TU / M50 / M52 / M54 engines
- Built to handle increased power and torque
- Precision-engineered fitment
- Ideal for performance and competition use
- Supplied by 5150 AutoSport, trusted by BMW enthusiasts worldwide
Product Details
The Tremec TUET11009 T-56 Magnum is a semi-universal high-performance transmission engineered for strength, precision, and reliability. Commonly used as an upgrade or replacement in E-chassis BMW manual transmission swaps, this 6-speed unit is also a top choice for custom builds requiring a robust, smooth-shifting gearbox.
Built to handle up to 700 ft-lbs of torque, the TUET11009 features a reinforced input shaft, widened gear faces, and redesigned shift forks for increased durability under extreme loads. Tremec’s two-piece laser-beam welded case improves rigidity, making it ideal for high-horsepower street or racing setups.
Gear Ratios: 1st – 2.66 2nd – 1.78 3rd – 1.30 4th – 1.00 5th – 0.80 6th – 0.63 Reverse – 2.90
Features:
- Rated for up to 700 ft-lbs of torque
- Stronger input shaft and increased face widths
- Redesigned shift forks for precise gear engagement
- Two-piece laser-beam welded construction for improved strength
- Compatible fluids: Dexron III ATF or Mobil 1 ATF
- Semi-universal fit; popular upgrade for BMW E-chassis manual conversions
- Not a direct OEM replacement for factory GM T-56 units
Specifications:
- Input Spline: 26
- Output Spline: 31
- Made for high-performance and custom applications
Compatibility
BMW M52TU Models
- BMW E46 323i / 328i
- BMW E39 528i
- BMW Z3 2.5 / 2.8
BMW M50 Models
- BMW E34 525i
- BMW E36 320i / 325i
BMW M52 Models
- BMW E36 323i / 328i
- BMW E39 523i / 528i
- BMW Z3 2.8
BMW M54 Models
- BMW E46 325i / 330i
- BMW E39 525i / 530i
- BMW E60 525i / 530i
- BMW E83 X3
- BMW Z4 2.5i / 3.0i
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 M52TU / M50 / M52 / M54 build with the Tremec TUET11009 T-56 Magnum 6-Speed Transmission | 700 ft-lb Torque — 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.






