ProTool offers separate licenses for Diagnostics and Coding . If you only need to read codes and register a battery, you don't need to buy the full suite immediately.
If you are on a budget, consider these alternatives to searching for a "free" license: bimmergeeks protool license free
Unlike generic OBDII scanners, ProTool offers dealer-level capabilities. By purchasing a legitimate license, you get: ProTool offers separate licenses for Diagnostics and Coding
Built-in safeguards that prevent you from applying incompatible codes. By purchasing a legitimate license, you get: Built-in
Automatically save your stock coding files so you can revert changes if something goes wrong.
BMW frequently updates its software; a legitimate ProTool license ensures you have the latest definitions for new models and firmware versions.
Coding involves writing data to your car's sensitive computers. If a cracked app has a bug or loses connection because of poor optimization, it can "brick" the module, rendering your car undrivable and resulting in thousands of dollars in repairs.