The recommended bootloader is MultiFlasher.
Flashing is performed using a diagnostic method, via the diagnostic connector.
The firmware contains standard CVN masking for Siemens systems, meaning complete protection against remapping detection using the methods offered to dealers for software authentication by the manufacturer.
The Gas-4 version allows for starting, warming up, and driving on gasoline without full load until refueling.
The presented software contains the manufacturer's instructions for replacing all older firmware to correct cold starting, namely: K2052ZZS1B1D, K2052ZZS1B1E, etc.

BMW G 650 XCountry Rider's Manual.

Citroen C5 Owners Handbook.

Firmware for chip tuning FORD FOCUS II SIEMENS VISTEON EEC-VI ESU-XXX PAULUS.

Description: ODIS Service is designed for vehicle diagnostics and maintenance.
ODIS Service's main functions:
Reading, decoding, and clearing fault codes from all vehicle electronic units
Conducting guided troubleshooting
Displaying operating parameters
Activating components
Conducting adaptations
Coding control units
Resetting and setting service intervals
Conducting service operations (bleeding brakes, engaging the electric handbrake, etc.)

BMW K1300S Rider's Manual (USModel).

Citroen C3 Service Manual.

BMW F800 (F650, F700) Twins Service & Repair Manual.

After chip tuning with firmware from the Kia and Hyundai kit with the Simk2k ECU from Paulus - Upd1, a noticeable increase in power and torque at low revs, as well as a decrease in fuel consumption when coasting, is observed.