The Worlds ONLY BMW N54/N55 6HP28 Transmission Adapter Kits

New Version 4.0 Available Now - Free Shipping USA (Lower 48)
BMW N54 N55 E-Series - E9X, E8x, E6x - RWD & AWD Compatibility
Comprehensive Product Design, Premium Materials, Direct Customer Service

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      What to know...

 

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

• 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
   

• 1 to 2 Day conversion process make it easy to get back on the road quick!
  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 ZF 6HP Transmissions can outperform OEM Torque 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 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

 

Nearly 100 kits sold in first 2 years with 100% customer satisfaction rate!
 

"Thank you for the opportunity to earn your business."
Joshua Armstrong - Owner - Guru Autowerks LLC

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