CMD Flash vs KTag vs Autotuner - which ECU tool to buy?

3 months ago· 12 posts

Want to buy an ECU reading/writing tool for my tuning business. Comparing: 1. CMD Flash (~3000 EUR) - OBD and bench, good BMW support 2. KTag (~2500 EUR) - bench only, very reliable 3. Autotuner (~3500 EUR) - OBD and bench, newest on market Mainly working on BMW N and B series engines. Which tool has the best BMW coverage and reliability? Also considering buying used to save money. Any risks with used tools?

2 663

Replies (2)

N55 Gang

3 months ago#1

Good guide on valve cover gasket. One tip: replace the eccentric shaft sensor seal at the same time. Its right there and only costs 10 EUR for the seal.

14 posts · 0 rep

ECU Flasher

26 days ago#2

CMD Flash is the best all-rounder for BMW. It supports OBD reading on most BMW ECUs including the newer Bosch MD1/MG1 family. KTag is bench-only which means you need to remove the ECU - more work but sometimes necessary for locked ECUs. Autotuner is newer and has good OBD support but the subscription model is expensive. For a professional tuner, CMD Flash is the standard. For a hobbyist doing their own car, Autotuner might be more user-friendly.

18 posts · 0 rep

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