BMW ICOM Diagnostic Tool Serial Comparison
| Device name | BMW ICOM A | BMW ICOM A2 | BMW ICOM A3 |
| Appearance |  |
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| Components | modules ICOM A, ICOM B and ICOM C | modules ICOM A, ICOM B and ICOM C | modules ICOM A, ICOM B and ICOM C |
| Software version | ISIS (ISTA-P) and ISID (ISTA-D), the latest version is: 2013.01. | 2015.6V ISTA-D 3.49.30 ISTA-P 55.4.000 | 2015.2V ISTA-D 3.48.10 ISTA-P 3.55.0.100 |
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Operating system |
Win XP and Win 7 64 bit O/S | Win XP and Win 7 O/S | Professional Win7 64 bit (NO Win XP) |
| Vehicle support | BMW, MINI and Rolls Royce models. | BMW, MINI and Rolls Royce models. | BMW, MINI and Rolls Royce models. |
ICOM A – main adapter with OBD II connector for MOST, KCAN, DCAN
ICOM B – additional adapter for optic line, use USB connection with ICOM A
ICOM C – adapter for old vehicles with round 20-pin connector.
There will be newer software version released continually in the future.
ISIS/ISTA-D=diagnostic software
ISIS/ISTA-P= programming software
In conclusion:
- The newest version ICOM A2 works better in cooling, runs faster and works more stable, not easier broken than older ICOM.
- ICOM A3 can program all units for all BMW series expect media system.
- ICOM A3 work more stable and has stronger compatibility than ICOM A2, A1.