In this third and final part of "Reflashing tips and tips" we cover BMWs and Mercedes reflashing. For Hyundais and Hondas, see Part I, and for GMs and Toyotas, see Part II.

Reflashing with the Autologic.

Reflashing with an Autologic is often preferable over that of the factory scan tool, because it is so easy to use. There is a Youtube channel devoted to it (Youtube.com/ILoveAutologic), but if you do not have a computer handy right now, let’s discuss a few highlights.

The most common manufacturer that people use the Autologic to program is BMW, because with the factory scan tool and the J2534 program, BMW requires you to wait hours for every module to be reprogrammed. The Autologic allows you to reflash just the module you need to. Here’s how it is done:

BMW Figure 1

BMW Figure 1

1. Click “CIP” on the screen (see BMW Figure 1) , which stands for “Coding, Individualization, Programming,” in the main menu.

2. (see BMW Figure 2: The Autologic confirms there is a CIP update for this 2005 645CI. Simply click continue to the bottom right.

BMW Figure 2

BMW Figure 2

BMW Figure 3

BMW Figure 3

3. (see BMW Figures 3, 4 and 5): Here we simply confirm the date, that we have the vehicle KOEO, and the right VIN for the vehicle.

BMW Figure 4

BMW Figure 4

BMW Figure 5

BMW Figure 5

4. (see BMW Figure 6): The Autologic will take a few minutes to figure out which modules require updates.]

BMW Figure 6

BMW Figure 6

 

5. (see BMW Figure 7): Finally, you enter the screen where the tool lets you emulate the factory scan tool’s ability to reflash every single module in a multi-hour process (under initial report), or do reflashes that are specific to the Autologic. This includes reprogramming individual modules, changing software fore retrofits (like adding a turbo), and performance tunes.

BMW Figure 7

BMW Figure 7

 It is always important when using the Autologic to update the software for the manufacturer you are subscribed to daily. Otherwise, the tool might not know there has been a software update just released for the vehicle. Autologic tends to have substantial updates to their tool available daily.

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When we reprogram a Mercedes, the process differs a bit depending on the module you are reprogramming. However, for the sake of time, we will cover how to reflash a DME/PCM.

1. (see Mercedes Figure 1): Enter the DME and click “Initial  startup.”

Mercedes Figure 1

Mercedes Figure 1

2. (see Mercedes Figure 2): In the initial startup menu you have a list of reprogramming, relearn, and coding procedures. Autologic lists generally the order in which you would do each process when a module was replaced as “Steps.”

Mercedes Figure 2

Mercedes Figure 2

3. (see Mercedes Figure 3): After you choose Reprogramming, click “Start” on this screen. The Autologic will search for the most recent Calibration ID. On many Mercedes modules, they come with the software already in them, but they need to be initialized. This process allows you to confirm that, and if need be, reprogram the module.

Mercedes Figre 3

Mercedes Figre 3

Reprogramming can be tough stuff, because every vehicle is so different. My advice? Take your time to learn and charge a fair amount for your time. Auto repair is becoming increasingly technical and it is important that customers understand this.

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