Whats the best tool

Good day gentelmen, merry xmas!

Quick question. 

During this covid i have lost my main job, so im just thinking about buying a tool. 
Any suggestions to what do i need to buy. 
I would like to do an odometer change and maybe some keys. Most of the cars i work is bmw

Thankful for all of your help

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Budget is about 1.5k£

cgdi Bmw , bmw explorer / vvdi Bmw, vvdi prog and u are good to go

What about any of xhorse products? Everything looks done through odb no need of soldering and removing objects.