KESS3 Upgrade 2.94 – New OBD Protocol for Bosch
The latest KESS3 Protocol Release expands coverage for newer-generation BMW models equipped with the Bosch ZF8HP50 TCU.
With this new OBD protocol, you can now perform direct transmission programming via OBD — no need to remove the TCU.

What’s New in Upgrade 2.94?
OBD programming support for Bosch ZF8HP50 TCU
Safe, non-invasive transmission management intervention
Work on shift strategies and software restores
Streamlined workflow for professional workshops
Technical Highlights
Connection: OBD
TCU: Bosch ZF8HP50
Production years: From 2015
Brand coverage: BMW
Supported BMW Models Include:
1 Series, 2 Series, 3 Series, 3 Series GT, 4 Series, 4 Series Gran Coupé, 5 Series, 5 Series GT, 6 Series, 7 Series, X3, X4, X5.
This update strengthens KESS3’s coverage of the ZF8HP transmission family, giving tuners and workshops more flexibility when working on BMW 2.0d, 2.0i, and 3.0i applications.