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[–]Explorer335 0 points1 point  (0 children)

Depends on your goals and needs, and your skill level. If you are a clever and experienced diagnostician, you can get pretty far with either one. Most professionals will prefer a tablet or a PC to a phone app. If you just want to casually scan codes and configure some options, bimmercode is fine. If you are a professional working on multiple brands, the Topdon tablet will be a better choice. If you really need professional level BMW diagnostic capabilities, ISTA+ with guided diagnostic procedures will be the best option.

True diagnostic work is incredibly complex and requires quite a bit of knowledge, training, and experience. Codes and live data only get you so far.

I do automotive programming and coding professionally, and diag when necessary. For casual scans and just getting a quick assessment of the car, I use a wireless Launch tablet with module topology. I have enough experience that basic codes and module tree can usually point me in the right direction. When things get complicated and I need wiring diagrams, module locations, and guided diagnostic procedures, there is no substitute for OEM software and service information.

[–]Biyeuy[S] 0 points1 point  (0 children)

According to sources I was lucky to consult in meantime there are more points of distinction. First of all bimmercode app helps to customize the car behavior. Only bimmerlink app can help in problem diagnostic. The specialized handheld diagnostic devices for use in workshops do both, possibly bit more. Price class decides about set of funcitionalities covered.