DIS GT1/SSS/OPS/OPPS replacement-BMW ICOM ISIS ISID ABC

Have you been informed there is a new-born BMW diagnostic tool in China online market, it is BMW ICOM A2, as sellers advertise, it is a replacement of DIS GT1/SSS/OPS/OPPS. What is BMW ICOM ISIS?
BMW ICOM ISIS is the latest program, diagnose, coding and complete system, all BMW series can be processed with the ICOM-A, B and C-modules.

What is BMW ICOM ABC?
ICOM A: Vehicles with OBD capability (Connect to ISIS/SSS/ISID with LAN or WAN)
ICOM B: For programming with MOST port (Connect to MOST in vehicle / to ICOM-A with USB system
ICOM C: Older model series with diagnosis socket in engine compartment (OBD 2)

What is BMW ISIS ISID 3G Components?

Integrated Service Information Server (I S I S) two servers (one backup) + ISTA
Integrated Service Information Display (ISID) portable tablet device
Integrated Communication Optical Module (ICOM) set of vehicle interface devices-all models
Integrated Measurement Interface Box (IMIB) measurement interface device
Integrated Service Access Point (ISAP) for wireless connection to ISIS

Let’s look back other BMW diagnostic scan tools as follows
BMW ICOM A2
GT1 +INPA D-CAN
TWINBC4+GT1
BMW OPS DIS SSS
BMW OPPS
BMW Scanner 2.01 2.0.1
BMW Scanner 1.36 
BMW Scanner 1.4.0 v 
BMW Dash Scanner 3 in 1

Upon seeing above-mentioned BMW diagnostic tools, what have in your mind? Can you tell their similarities and differences in quality, workable car models and years, function, features, advantages and even price range? Moreover, can you have in your mind how to install them? How to use them diagnose and program your beloved BMW car models?

If you can, I believe you will get a BMW ICOM A2for an alternative of BMW GT1, OPS and OPPS, since it owns more irreplaceable advantages in diagnosing and programming BMW cars.

BMW ICOM ISIS, GT1,OPS,OPPS comparison in workable BMW series 
1) BMW ICOM workable car models
The most considerable reason why BMW ICOM ISIS is replacement of BMW GT1, OPS and OPPS is that BMW GT1/OPS/OPPS have their limitation in workable BMW car models, while BMW ICOM supports test and program of almost all BMW series.
2) BMW GT1 vehicle coverage
BMW GT1 is designed for diagnosing and programming BMW Series before 2005 year, if BMW Series vehicles after 2005 year have no optical fiber, BMW GT1 can do them.
3) BMW OPS workable vehicle coverage
BMW OPS works with BMW cars with optical fiber (after 2005 years till 2009 year) supports coding and programming for.
4) BMW OPPS workable vehicle coverage
BMW OPPS has been designed for encoding, individualizing and programming (CIP) via the Software Service Station (SSS) and envisaged for use as part of the BMW diagnostic system (DIS) from DISPlus and Group Tester One (GT1). It is intended for testing and programming tasks from the E65 series, taking the place of the diagnostic head.

BMW ICOM A2