how to resync bmw e90 dme and the ews with inpa

(This is important because the voltage cannot drop below 12 Volts during the synchronization.)Ģ. Connect the scanner to the car either through the OBD2 port or, if the car has a Round Plug connector under the hood, use that one.ģ. DO NOT start the car, but turn the key to the ON position.Ĥ. Follow the steps in the scanner to select the model and year of your car.ĥ. Then go to DME or ECU. However, in general, this is how it is done:ġ. Make sure that your car’s battery is fully charged. There might be other BMW compatible scanners, but you will have to check with the manufacturer if they have the function to synchronize the DME to the CAS.Įvery scanner has different steps that you need to follow in order to do the alignment. To synchronize the blank DME to your car, you’ll need a BMW Compatible scanner which has the function to “Align” or “Synchronize” our DME to your CAS.īelow is a list of the most popular BMW scanners that we know for sure, have the function to do this procedure. Use a good BMW diagnostic and, more importantly, know how to do it.

I don’t even try to use a key tool to resynch ews/dme. I know CGDI isn’t perfect, but it is, in my experience, a useful tool and good value for money. They need change data reading algorithm, because after this procedure cas is near dead. Problem is not to fix synchro, after cgdi you will have synchronize problem with all devices. It’s nothing to do with the tool used, it’s the process. A very experienced key guy had the same problem on an E91 that had lost synch using AVDI. I’ve done 1x CAS2 with CGDI BMW – 2006 E90 DieselĬAS sync failed, ERROR and would not startĬar did not start until i used another tool to do the CAS sync.Įvery tool can cause cas/ews/dme/dde synch issues on BMW, particularly diesels and you need a good solution to resynch.

How to resync bmw e90 dme and the ews with inpa