While there is no official BMW vehicle model under the specific designation "8259ver01," this term is most commonly associated with BMW-specific Android aftermarket head units or technical documentation for Turbosmart VR9 Dual Port blow-off valves used in BMW N55 and S63 engines.
…I can give you the exact button-by-button guide for your unit.
Manuals for these units (often categorized as "825x" or "MTK8259" series) emphasize the following setup steps:
Typically a 10.25-inch or 12.3-inch IPS screen with 1920x720 resolution. Connectivity: