Home of the Worlds ONLY BMW N54/N55 6HP28 & 6R80 Transmission Adapter Kits

GA1-V5 N5x-6HP28 Available Now - Free Shipping USA (Lower 48)
BMW N54 N55 E-Series - E9X, E8x, E6x - RWD & AWD Compatibility

GA2-V1 N5x-6R80 Available Now - Free Shipping USA (Lower 48)

BMW N54 N55 E-Series - E9X, E8x, E6x - RWD Compatibility

Comprehensive Product Design, Premium Materials, Direct Customer Service

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      6HP28 & 6R80 What to know...

• The 6HP28 & 6R80 is nearly twice as strong as an OEM Spec E-Series 6HP21.
  Utilizes readily available RWD & AWD 6HP28 Transmissions & 6R80 RWD
  These 6HP28s are found in BMW 335D, X5D and similar M57N2 3.0 Diesel Models.
  These 6R80's are found in 2015-17 Ford Mustang EcoBoost.
   

• OEM integration Utilizing Bosch Gen 2 ZF6HP28 TCU & custom transmission tune.
  Custom Tuning Support courtesy of xHP Flashtool & Sutphin Tuning.
  No standalone TCU or wiring required; Optional Aftermarket Standalone TCU Choices Available
  *6R80 Requires USShift Quick 6 Standalone Transmission Controller & Custom Tuning.*
   

• ZF 6HP28 to N5x E9x, E8x, E6x RWD/AWD -  1 to 3 Day conversion makes it easy to get back on the road quick!
  Ford 6R80 to N5x E9x, E8x, E6x RWD - 1 to 5 Day conversion compatible with OE or Standalone ECU.
  Nearly Identical to OEM Transmission Replacement - Professional Shop & DIY Friendly.
  On Call Tech Support - We work hard to provide the best customer service & support.
   

• Conversion Kit comes complete with everything needed to install the new transmission!
  Reuse your OEM flexplate, starter motor, driveshaft/differential & AWD Transfer Case.
  No fabrication, transmission tunnel modification, or guesswork involved.

   

• Keep your existing transmission cooler setup or consult with us to easily upgrade.
  No matter your setup we have you covered with our included Custom Transmission Fittings & 8AN PTFE Line Kit.

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• BIG POWER reliability with room to GROW utilizing shared Racing components from the Ford 6R80 Transmission.
  Built Options for 1000+ ft-lbs of TQ; Upgraded Clutch Packs, Billet Internals, High Stall Converter, Launch Control.

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• With proper cooling, maintenance & fluid choice 6HP & 6R80 Transmissions can exceed OEM Ratings by up to ~50%.
  xHP rates their 6HP28 Stage 2 tune at 737 ft-lb/1000 Nm; Stage 3 tunes have torque limit removed!
  In stock form the 6HP28 & 6R80 can handle 600 to 800 ft-lb/813 to 1088 Nm with ease.
   

• ZF OEM Torque Rating Comparison

  6HP19 Gen 1                  295 ft-lb/400 Nm

  6HP19Z/21 Gen 2        332 ft-lb/450 Nm

  6HP26 Gen 1                  443 ft-lb/600 Nm

  6HP26Z/28 Gen 2        516 ft-lb/700 Nm

        6R80 Gen 2                     590 ft-lb/800 Nm