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BMW EWS Reader

Item No. SE39
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BMW EWS Reader work with EWS alarm system equiped with EWS Immobilizers from 1995 year: E34(5xx), E36(3xx),E38 (7xx), E39 (5xx), E46 (3xx), E53 (X5), Z4, Mini Cooper, Rover 75, Range Rover.BMW EWS Reader supports reading and writing EWS3 and EWS3+ memory via unit connector (K-line).

BMW EWS Reader


1. Work with all modifications of EWS1, EWS2, EWS3, EWS3+, EWS4
2. Reading and writing EWS3 and EWS3+ memory via unit connector (K-line).
(Don't ever try to read or write D47J mask processors! Those processors have active protection.)
3. Automatically detection of EWS version from EEprom memory.
4. Additional keys programming.
5. Used keys adding (if you know a password).
6. Used keys renew function (if you know a password).
7. Keys synchronization.
8. Activation and deactivation of available keys.
9. Coding of EWS.
10. EWS identification data changing (production date, EWS number etc.)
11. Used EWS3 resetting to factory conditions.
12. EWS VIN changing.
13. Key VIN change (after 1998).
14. EWS mileage changing (after 1998)
15. Key mileage changing (after 1998)

EWS's Motorola Processor masks checking

Before reading the EWS processor check it's mask (see picture below)

Before reading the EWS processor check it's mask

Example of processor's mask.

1. Old types of EWS1, EWS2 and EWS3 hw2 sw5 used the mask D47J. Take it off from EWS
board and read with special adapter (in complete with EWS keymaker).
2. Use any programmer for reading of EWS4 and EWS4(1) processor.
3. New types of EWS3 and EWS3+ use the mask D46J. You can read it via EWS connector (K-line).

D47J mask processor's adapter connection

K-line cable to EWS connection

eeprom memory reading. "READ" button.

1. Disconnect and take off EWS module from a car.
2. Open it and take off an electronic board from EWS box.
3. Connect the device to your PC via USB cable. Install drivers from “USB_Driver"folder. If you work with D47J mask use adaptor, if it’s D46J use K-line cable.

Start the BMW EWS Reader software:

The software is ready to work via K-line cable at once. If you need to use D47J adapter change the operation mode:

Don't try to read 2D47J mask processor via K-line cable. It can damage processor internal memory.

Supply the power 12 Volt 500mA and over to the device. You have to connect power supply if you read EWS internal memory via it’s connector only. Then find and clean the vanish on this point of EWS board:

Press the READ button. You will see the report at the bottom of the window

Touch the point mentioned above by the tester fixed to the device. You will see a progress report at the bottom of the window. You can remove the tester when reading process started. If you read 2D47J processor with adapter choose 2D47J and press READ button. After reading “OK"report will appear at the bottom of the window. Then press EDITOR bookmark at the top of the window.

EEprom memory file window will open

If there are 00 in all the lines it means that you forgot to connect external power supply while read the processor.

Then save this file on your hard disk with "File-Save as" command. You can save this file without reviewing if you press "File-Save as" bookmark on the top of the main window.

PCF7935 transponder and ELM key reading.

The Read/Write key bookmark.

The new window will open on the right


Contact Information

Live Support
 What'sapp: +86-1372-015-9182 QRcode: &

Scan the QRcode, feel free to contact us on your smartphone.



International Buyers – Please Note

a)  Import duties, taxes and charges are not included in the item price or shipping charges. 
Our website don't undertake tax for all customer. These charges are the buyer’s responsibility.
If you very care about TAX,please contact us before you buy,we advise you choose airmail/yanwen.
b)  Please check with your country’s customs office to determine what these additional costs will be prior to bidding/buying. 
c)  If your package shipped by Express Delivery, please give us a valid delivery phone number, and also a full and accurate shipping address.
d) Seller ships within 1 day after receiving cleared payment. Please allow additional time if international delivery is subject to customs processing.
About Shippment

Delivery European countries Other countries
Airmail 7-15 working days,almost all countries no tax
For remote area or holiday, need more time.
7-25 working days,almost all countries no tax
DHL/UPS 2-5 working days,almost all countries pay some tax 2-7 days,
almost all countries pay some tax
Yanwen 7-12 working days, no tax for for most european counties Austria, Belgium, Bulgaria, England, Estonia, Finland, France, Germany, Greece, Holland, Ireland, Italy, Luxembourg, Ireland, Portugal, Scotland, Slovakia, Slovenia, Spain, UK, Wales, Denmark, Sweden, Lithuania, Latvia Hungary, Romania, the Czech Republic, Poland No service
EMS 7-15 working days
To Russian only send by EMS. For some remote area, if you do not want to pay remote fee, we can send it to you by EMS too.
7-20 working days
Aramex If you do not like this shipping method, please leave message on your order. 4-6 working days
To most middle east counries. 
If you needs YANWEN express shipping or other shipping method.
Or you have special needs for your order, such as declared name and so on, please leave message on the order to notify us.
Otherwise we will send the order as our usual practice.
As different country has different import policy, sometimes we will change the shipping method based on the counties and goods.

About Warranty
When customer receive the goods, please make sure to check the product is correct, there is no damage to the product before sign for the package.
If, after receipt completed, any feedback problems case for compensation, it will not be handled.
Broken items: Almost all item has one year warranty.
We also offer free fix to almost item we sold within one year,free repair.Man-made damage need pay.
We not offer warranty on
keys,cables,adapter,online sent software,please notice it.

About technical support online by teamviwer,we only offer free help to our customer ,who order within one year.
Over one year,all need pay depends on what problem it is.

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