Not has BMW electrical architecture changed over the last decade, but so provides the equipment to service the whole bunch. The equipment has changed, the interfaces have changed likewise the complexity of setup and use.

Early tools

Back in the 1990’s, the Group Tester One (GT1) was introduced. There was a few versions, like DIS Plus (stationary setup), or even GT1 is one of the most common and is what will be referenced here. The GT1 is a portable device which contained a rechargeable battery. It has a touchscreen technology for easy use. It contained software for Diagnosing and also had software called TIS (Technical Information Display) which could be the Service & Repair Information. Early versions of Diagnostics also contained software called Coding, Programming & Individualization (CIP). So from the same tool, you could Diagnose the problem, look up the best way to replace the component and then perform the needed initializations for your new part. Two interfaces were used: EDIC (yellow interface) and the OPS (orange interface). Later versions of the OPS were called OPPS, since they carried additional diagnostics for the Byteflite system and had been looking also yellow, but much bigger as compared to the EDIC. Authentic GT1s are on the portable touchscreen item. There are many “cloned” units out there, adapted to look at a PC. Either genuine or cloned, the interfaces work the same and connect via an Ethernet port.

Later versions from the GT1 software removed CIP, and moved it to an independent computer (for storage), but still accessible from the GT1. This new software was called Progman (short for Program Manager). This new software contained all of the CIP functions and added latest features like multiple car programming and dual channel programming each and every car (DIAGBUS and the majority bus simultaneously).

Third Generation equipment

Fast toward about 2008 when the third Generation (3G) of equipment was released: ISIS. The contents of ISIS are incredibly large, that dedicated servers are installed at the casino dealer. An online version is out there to the aftermarket with regard to fee, called OSS. It might probably be available at BMW’s tech website. Using the introduction of ISIS comes a new interface, called ICOM. Previous interfaces (EDIC & OPS) won’t along with ISIS. ISIS consists few parts, since it entirely replaced GT1 & Progman. The main part of ISIS with regard to used from the shop referred to as “ISTA”, which may be be further broken down into two parts: ISTA/D for Diagnosing vehicles and ISTA/P for Coding, Programming & Individualization.


GT1s can be found essential because of anywhere, including eBay lengthy cheap. BMW realized that the tool was easily cloned and sold worldwide. Many levels of security have been put in the creation of ISIS steer clear of this, in a choice of resident servers and online versions. Tends to make it harder for non-dealer shops function with on the newer vehicles. One would reckon that since the GT1 was discontinued in 2009, calm just keep using that for several more years until the newer system became more available, however, BMW stayed one step ahead! Because a car is programmed i’m able to new ISTA/P, it upgrades the software beyond degree of what Program can recognize. That means, examination actually car may be updated with ISTA/P, may NEVER use Progman on the cover again, rendering the “cloned” versions useless on that you car. Also, when a new module is installed, the software that is pre-installed on that module is also newer compared to what Program can recognize, which can stop total programming process, forcing the car to be programmed by ISTA/P.

So what does that mean for the BMW investor? As a response to the newer systems, many BMW owners can more time repair merely themselves. Many aftermarket shops are also sending the cars to dealerships as an outcome. However, not every aftermarket shops have fallen behind. Number of obvious a limited number of BMW specialty shops that remain on top of manufacturer technology, so that no car is turned away! When hunting for a starting point service your BMW, ensure they can do ALL aspects of repair, including Diagnostics and CIP!

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