Gen2 Transmission Adapters

Lightweight billet aluminum adapter to join your BMW transmission to a proper 1-Piece driveshaft yoke. A great way to get rid of the terrible guibo and use a stronger and lighter custom single piece driveshaft. Precision machined from 6061 aluminum with exacting tolerances for no vibrations. 
 
Works on the manual, automatic and DCT models. All hardware included. Weighs just 12.6 ounces to keep rotational mass low. Dynamically balanced using software during design. 
 
Features:
Tapered bolt hole flanges that provide a snug fit into the output flange
This design assists in relieving stress off the bolts
Includes the high quality hardware
Works with the SPICER #3-2-119 and equivalent yokes
 
Application Notes:
Small: 105mm bolt circle/12mm bolts. Fits 135i/335i transmissions (N54/N55, Diesel versions use large), B58 based 8HP transmissions and more.
Large: 110mm bolt circle/12mm bolts. Fits all other transmissions (E9x M3, F8x M2/M3/M4, etc)
Xi: 105mm bolt circle, 10mm bolts. Fits E9X 3 series and E6X 5 series with Xi transmissions/transfer cases.