How to remove EWS on a 1997 740iL BMW (by ramesh.rammohun at gmale dot com, spelled correctly) Unfortunately, I lost the one and only remote key that came with my car when I purchased it in 2005. Luckily for me, I had my original registration paper home. I took the registration along with my driver’s licence and visited the dealer to order some new keys. I had three options: (1) Wallet key (2) Valet key (cannot open trunk and glove-box) (3) Remote key I opted for the 1 wallet key and 1 valet key as they around $60 each as opposed to $180 for the remote key. All these keys have transponder in them, so only BMW dealer can cut them for you (but that has changed as you will soon find out).The dealer informed me that every car has a maximum of 10 keys that can be cut and that I had to be careful. If I happen to max out my 10 keys limit and needed new keys to be cut, I would need to replace the entire EWS system. That’s quite true, until I came across Zac from RPM Motorsport Canada (no affiliation to seller), recommended from Peter (bmw635). For the last 5 years of ownership, I have been using the valet key as my daily use. It has worked fine for me. The valet key by the way will not open the glove-box or the trunk. By recently, I have been having an alarm issue with my car that required turning OFF the motion sensor with the remote key (on Edwin’s recommendation, “..get a f**king remote key he said...LOL). In the middle of the night the alarm will go off by itself. I don’t need to tell you the inconvenience of getting dressed at 3 in the morning to go out and manually unlock the car and lock it again to cut the false alarm off. I looked into the hood alarm switch, but that wasn’t the culprit. So I decided for convenience reason also that I would need to order a new remote key for my car. I opted the dealer out, as the painful memories from my previous visit there hasn’t subsided at all. They must have ran out of Vaseline every time I go there. They once charged me $150 to tell me that they couldn’t code a used LKM in my car. That’s a different story. Since I had no history about how many keys the previous owner had cut for my car and didn’t want to max out my key limit, I acted on Peter’s recommendation and contacted Zac at RPM Motorsport Canada. After I told him my story about my key issue, he informed me that the BMW dealer was correct in the sense that every car has a 10 key limit, but his company is able to delete non-active key from the EWS module and re-write new active keys to the EWS module. He was also able to cut OEM keys. So I decided that I would order a remote key from RPM Motorsport Canada. But for that, I needed to send him my EWS module. Once they have my EWS, they register it in their database. In case I need keys in the future, I just need to call him and he will cut them based on the information he retrieved from the EWS module. Zac’s company specialize in BMW electronic repair. They offer BMW DME Programming, EWS Programming, BMW Keys, Airbag Controls Repair, and much more. Zac is an outstanding guy. He has answered every single question I had and has been very helpful. I highly recommend him if you need new keys or any BMW electronic repair. http://www.rpmotorsport.ca/ Q has shed some light in my quest for location and removing the EWS module. As I understand, depending on model year, the E38 can have a single EWS module or two separate unit called transmitter/receiver module and a EWS control module.