KESS3 Upgrade 2.93 – New OBD Protocol for Bosch ZF8HP45 TCU

Posted 2026-03-3 Updated 2026-03- 3

By Author

4~5 min read

Great news from Alientech! The latest KESS3 Protocol Release (Upgrade 2.93) introduces a brand-new OBD protocol for Bosch ZF8HP45 TCU, expanding coverage for BMW vehicles equipped with ZF 8-speed automatic transmissions.

Alientech KESS3 Upgrade 2.93.jpg

What’s New?

OBD programming support for Bosch ZF8HP45 TCU

Direct transmission management intervention — no need to remove the unit

Work on shift logic and transmission-side torque management

Fast and structured software restore process

Technical Highlights

Connection: OBD

TCU: Bosch ZF8HP45

Production Years: From 2010

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, X1, X3, X4, X5, X6, Z4.

With this new protocol, KESS3 users can now operate directly on BMW ZF8HP45 transmissions via OBD — improving efficiency and reducing downtime in professional workshops.

Upgrade now and expand your BMW TCU tuning capabilities.

Updates

Alientech KESS3

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